CN113822005A - Method for copying and monitoring entity power grid open-circuit node by computer - Google Patents
Method for copying and monitoring entity power grid open-circuit node by computer Download PDFInfo
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- CN113822005A CN113822005A CN202010595977.8A CN202010595977A CN113822005A CN 113822005 A CN113822005 A CN 113822005A CN 202010595977 A CN202010595977 A CN 202010595977A CN 113822005 A CN113822005 A CN 113822005A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/39—Circuit design at the physical level
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
- H02H3/046—Signalling the blowing of a fuse
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/28—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured for meshed systems
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Abstract
A method for copying and monitoring the broken nodes of physical electric network by computer is composed of at least 1 three-phase breaking unit, at least 1 centralized unit, at least 1 step computer monitor service unit, at least 3 single-phase electric meters shared by two system units, and a monitor unit for monitoring the broken nodes of three-phase breaking unit and single-phase electric meters based on the configuration of three-phase breaking unit, the relation between three-phase breaking unit and single-phase electric meters, and the computer configuration for monitoring and monitoring the relation between two system units, the physical power grid can be easily copied into a computer through a preset template.
Description
The invention relates to the technical field of information, in particular to a method for copying and monitoring a physical power grid disconnection node by a computer.
Background art there are three major technical drawbacks in the existing entity grid break node, one is that the informatization degree of the break device of each single-phase and three-phase node from power generation to power utilization on the transmission line is low, the electric leakage, short circuit, overload, over-under voltage, three-phase imbalance, fusing and the like of the break device of each node are in a free control state, especially, the overload, over-under voltage and three-phase imbalance have great harm to key node equipment including other equipment at the front end of the node, and the low-degree node break device is informatization, which is incomprehensible in the current information explosion era, and also shows that the difficulty of realizing informatization of all node break devices is not increased so far; secondly, the current load monitoring of the circuit breaking devices of each single-phase node and each three-phase node from power generation to power utilization on the power transmission line adopts a hardware thermal tripping technology, namely, the current overload identification is realized by pushing the circuit breaking mechanism to trip by depending on different heat-resistant deformation of hardware thermal bimetal, the technology has the defects that the active heating energy consumption is realized in the power-on environment, the process of converting electric energy into heat energy and then converting the heat energy into mechanical energy to realize the tripping and power-off is realized, and the interface has unstable tightness due to the change of temperature, is easy to generate virtual connection looseness and is the largest hidden danger of causing electrical fire; thirdly, because the interface temperature is high, the transmission conductor is required to be mainly made of copper, and the cost of the transmission conductor is high.
The invention aims to provide a method for copying and monitoring an entity power grid disconnection node by a computer, which breaks the traditional practice of headache and foot pain treatment, does not solve informatization by one node, but redesigns the traditional ammeter device, a communication device, a computer software program and the like of a circuit terminal, particularly a computer software template program which is suitable for the requirements of copying and monitoring the entity power grid under various complex environments by the computer, copies the entity power grid by the computer to form a computer power grid, monitors and manages by the computer, leads current and current disconnection signals to flow from a power generation end to a user terminal, leads information such as power failure, electric leakage, short circuit, load, over-voltage, three-phase balance, fusing, metering, charging and the like to flow from the user terminal to the power generation end of the power grid copied by the computer, leads automatic and manual control information to flow from the power generation end of the power grid copied by the computer to the user terminal, the intelligent control system realizes the informatization of one surplus of all single-phase circuit breaking devices and three-phase circuit breaking devices from power generation to power utilization, including other electric devices at the front ends of the single-phase circuit breaking devices and the three-phase circuit breaking devices, and the direct or indirect current on-off controllability, realizes the active heating source without thermal tripping of all single-phase circuit breaking devices and three-phase circuit breaking devices from power generation to power utilization, including other electric devices at the front ends of the single-phase circuit breaking devices and the three-phase circuit breaking devices, and realizes the aluminum-copper replacement of the whole-course power transmission wire from power generation to power utilization.
In order to achieve the above object, the present invention provides a method for copying and supervising the disconnection node of the physical power grid by a computer, which is divided into two parts of a monitored three-phase disconnection system device and a monitoring system device, wherein the former is composed of at least 1 monitored three-phase disconnection device, the latter is composed of at least 3 single-phase electric meter devices, at least 1 centralized monitoring device (hereinafter referred to as a centralized device) and at least 1 step computer monitoring service device (hereinafter referred to as a computer device), because the three-phase disconnection system device on the power transmission line has no communication capability, but each phase line of each three-phase disconnection device is directly or indirectly connected with the corresponding single-phase electric meter device through a strong power transmission wire, each single-phase electric meter device is also connected with the corresponding centralized device through a communication mode, and the centralized device is mutually connected with the step computer device through a communication mode, the upper stair computer device and the lower stair computer device are mutually linked in a communication mode, and the single-phase electric meter device which is used as two systems with cross connection and communication capacity has single-phase circuit power-on and power-off identification capacity and under-voltage identification capacity as well as current load calculation capacity and power-on and power-off capacity, so that the possibility is provided for indirectly monitoring the three-phase circuit breaking system device, only the upper and lower levels of each three-phase circuit breaking device in an 'electrical design principle diagram' of the three-phase circuit breaking system device and the direct or indirect connection relation with the single-phase electric meter device are combined with the monitoring capacity and the actual requirement of each monitoring device, the corresponding monitoring system device is configured, the real-time current load value directly uploaded by the single-phase electric meter device is a data source of the concentration device, and the real-time current load value indirectly uploaded by the total three-phase circuit breaking device monitored by the concentration device is a data source of the 1 stair computer device, 1, the real-time current load value indirectly uploaded by a total three-phase circuit breaking device monitored by a ladder computer device is a data source of a 2-ladder computer device, so that the real-time current load value indirectly uploaded by the total three-phase circuit breaking device monitored by a lower ladder computer device is a data source of an upper ladder computer device, the real-time current load value of a lower three-phase circuit breaking device is a data source of an upper three-phase circuit breaking device, when any monitoring device monitors 1 three-phase circuit breaking devices, the three-phase circuit breaking device is the total three-phase circuit breaking device, and when any monitoring device monitors a plurality of upper and lower three-phase circuit breaking devices, the three-phase circuit breaking device at the uppermost position is the total three-phase circuit breaking device of the monitoring device;
in operation, the single-phase nodes of each three-phase circuit interrupting device correspond to at least 160 algorithms:
the three-phase node corresponds to at least 10 types of 90 algorithms with 4 time intervals, 4 steps and common rates, and 30 types of algorithms correspond to single phases:
the method comprises the following steps of three-phase total real-time main electricity charging calculation, three-phase total real-time auxiliary electricity charging calculation, three-phase total real-time main electricity common amount calculation, three-phase total user amount calculation, real-time total real-time main electricity common user amount calculation, three-phase total real-time auxiliary electricity common user amount calculation and three-phase total real-time auxiliary electricity common user amount calculation;
the single-phase node of the three-phase circuit breaking device corresponds to at least 14 types of 126 algorithms with 4 time intervals, 4 steps and common rates:
calculating the number of single-phase total real-time main electric meters, calculating the number of single-phase total real-time main electric sums, calculating the loss count of single-phase total real-time main electric lines, calculating the number of single-phase total real-time main electric utility meters, calculating the number of single-phase total real-time main electric common users, calculating the sum of single-phase total real-time main electric common users, calculating the number of single-phase total real-time auxiliary electric meters, calculating the sum of single-phase total real-time auxiliary electric lines, calculating the sum of single-phase total real-time auxiliary electric common meters, calculating the sum of single-phase total real-time auxiliary electric common users, and calculating the sum of single-phase total real-time auxiliary electric common users;
the current load corresponding to a single-phase node of a three-phase circuit breaking device is provided with 4 algorithms of 2 types:
calculating single-phase total real-time current load, calculating single-phase total average real-time current load, calculating single-phase total indirect switching distribution, and calculating three-phase balance real-time comparison;
during operation, when a certain phase of the monitored three-phase circuit breaking device is directly connected with a subordinate branch single-phase electric meter device or directly connected with a subordinate branch three-phase circuit breaking device, a real-time current load value is calculated according to a user-defined line loss rate preset by computer profiling, and calculation formulas for identifying the real-time current load value are respectively as follows:
when one phase of three-phase circuit breaker is directly connected with lower-level branch single-phase electric meter
The real-time current load value is equal to the sum of the phase connection data corresponding to the directly connected subordinate branched single-phase electric meter device plus the sum of the phase connection data corresponding to the directly connected subordinate branched single-phase electric meter device, and the line loss rate is defined by X
When the three-phase breaker is connected directly to a branch three-phase breaker
The real-time current load value is defined as the sum of the phase connection data corresponding to the directly connected lower-level branch three-phase circuit breaking device plus the sum of the phase connection data corresponding to the directly connected lower-level branch three-phase circuit breaking device, and the line loss rate is defined by X
In operation, when the monitored three-phase circuit breaking device is out of limit by alarm phase or current load switching or unbalance switching out is out of limit and needs load shedding and adjustment, in order to reduce the power failure range of the three-phase circuit breaking device, the corresponding number of the single-phase electric meter devices directly or indirectly connected and the self-defined switching-out rate are preset according to computer profiling to control the power failure range, and the calculation formula of the number of the single-phase electric meter devices directly or indirectly connected is as follows:
computer filing preset indirect switching-off quantity as total number X of single-phase electric meter devices directly or indirectly connected with the computer self-defined switching-off rate
During operation, when a real-time current load value of a certain phase of a three-phase circuit breaking device monitored by a computer device at any ladder exceeds a switching threshold and switching-off denominations need to be distributed to a directly connected subordinate branch three-phase circuit breaking device, because the current loads of the subordinate branch three-phase circuit breaking devices are likely to have large differences and are fair to display, the average real-time current load value of the subordinate branch three-phase circuit breaking device needs to be calculated through the total number of indirectly connected subordinate branch single-phase electric meter devices preset by computer profiling, and the switching-off denominations are distributed according to the calculated average real-time current load value in a sequencing mode until the current load value is distributed to the total three-phase circuit breaking device monitored by a centralized device;
the calculation formula of the average real-time current load value of each phase of the three-phase circuit breaking device monitored by the computer device and the total three-phase circuit breaking device monitored by the integrated device is as follows:
the average real-time current load value is real-time current load value ÷ computer filing preset corresponding total number of indirectly-connected subordinate branch single-phase electric meter devices
The three-phase balance degree calculation formula of the three-phase circuit breaking device is as follows:
three-phase balance degree (phase line maximum real-time current load value-phase line minimum real-time current load value) ÷ phase line maximum real-time current load value
During operation, when a certain phase current load of a monitored three-phase circuit breaking device is pulled out to exceed the limit or unbalance is pulled out to exceed the limit and needs to be unloaded and leveled, for reducing the power failure range of the three-phase circuit breaking device, the first round of calculation and distribution is carried out according to the average real-time current load value of the directly connected subordinate branch three-phase circuit breaking device in a big-to-small sequence according to the computer filing preset indirect pulling name, the subordinate branch three-phase circuit breaking device is indirectly connected, the calculation and distribution result of the previous round is subjected to the calculation and distribution of the indirect pulling name of the new round of subordinate distributed three-phase circuit breaking device, and the subordinate distributed three-phase circuit breaking device indirect pulling name calculation formula is as follows:
the three-phase circuit breaking device monitored by the computer device and the indirect switching-off denomination calculation formula distributed by the total three-phase circuit breaking device monitored by the centralized device are as follows:
the name of indirect switching off is (the number of indirect switching off preset by the alarm three-phase circuit breaking device by the alarm phase computer, the name of indirect switching off (the first is 0) of the calculated result) X is distributed to the three-phase circuit breaking device, the average real-time current load value of the alarm phase is divided by the sum of the average real-time current load values of all the three-phase circuit breaking devices by the alarm phase
According to the calculation, five conditions can occur as a result: if the calculated result is a decimal number, the rounded number is counted, if the calculated residual number of the switching-off is less than 1, the integer is counted, if the calculated residual number of the switching-off is more than 1, the rounded number is counted, if the calculated residual number of the switching-off is equal to 1, the calculated residual number of the switching-off can be directly distributed to the three-phase circuit breaking device with the next current magnitude sequence, and if the residual number of the three-phase circuit breaking device to be distributed is 1, the residual number of the switching-off is totally returned to the three-phase circuit breaking device.
Three-phase circuit breaking device functional configuration: the three-phase circuit breaking device comprises a special device name (KA)/electric leakage (MA)/short circuit (A)/fusing (A)/load (A), wherein the special device name (KA) is a power station or a transformer substation or a transformer, the electric leakage (MA)/short circuit (A)/fusing (A)/load (A) indicates that the three-phase circuit breaking device has more than one automatic power-off and manual power-on and power-off functions, a computer gear-building function configuration column corresponds to 0/0/0/0/0 respectively, a digitizer is added to be turned on, otherwise, the load value is consistent with a design threshold;
in operation, 3 nodes per three-phase circuit interrupting device can collectively identify at least 64 alarms, with an average of 21 per node:
the 18 types of 46 alarms caused by the fact that the three-phase circuit breaking device is directly or indirectly connected with the uploading information of the lower-level branch single-phase electric meter device comprise current load early warning AL/BL/CL which respectively correspond to the alarm counting field 0/0/0, and alarms that one phase or two phases or three phases exceed a preset early warning threshold can occur; the current load indirect switching-off AL/BL/CL respectively corresponds to an alarm counting column 0/0/0, an alarm that one phase or two phases or three phases exceed a preset switching-off threshold can occur, and when the number corresponding to the counting column is more than 0, the alarm number is obtained; three-phase unbalance early warning can occur, and the warning exceeding a preset early warning threshold can occur; the three-phase unbalanced indirect switching off can generate an alarm exceeding a preset switching off threshold; the early warning of over-under voltage can generate the warning that one phase or two phases or three phases exceed a preset early warning threshold; when the over-under voltage trips, an alarm that one phase or two phases or three phases exceed a designed switching threshold can occur; when the terminal is in leakage tripping, an alarm that one phase or two phases or three phases exceed a preset switching threshold can occur; when the terminal is in short circuit trip, alarm that one phase or two phases or three phases exceed a preset switching threshold can occur; the terminal manually pulls the brake, and the alarm of one-phase, two-phase or three-phase manual brake pulling can occur; the main power supply of the terminal is an alarm for automatically converting the auxiliary power to the main power; the terminal supplies power by auxiliary electricity, and the alarm is used for automatically switching the main electricity to the auxiliary electricity; the terminal lightning protection malfunction tripping operation can generate the alarm of one-phase or two-phase or three-phase brake-off; the money early warning can be carried out, and the alarm that one phase or two phases or three phases exceed a preset early warning threshold can be generated; the arrearage limit is pulled out, and an alarm that one phase or two phases or three phases exceed a preset pulling threshold can occur; the terminal fire-fighting brake-off can give an alarm in one-phase or two-phase or three-phase fire-fighting brake-off state; the terminal property switching-off can give an alarm of one-phase, two-phase or three-phase property switching-off; the number limit early warning can be realized, and the alarm that one phase or two phases or three phases exceed a preset early warning threshold can be realized; the limited number indirect switching-off can give an alarm that one phase or two phases or three phases exceed a preset switching-off threshold;
the 7 types of 16 alarms caused by the outage of the direct or indirect connection subordinate branch single-phase electric meter device corresponding to the function configuration of the three-phase circuit breaking device comprise short-circuit tripping and three-phase circuit breaking device short-circuit tripping alarm caused by short circuit; the three-phase circuit breaker is triggered by the leakage short circuit and is used for alarming; fusing, wherein a fusing disconnection alarm of one phase or two phases or three phases can occur when the fusing threshold is exceeded due to fusing; short circuit fusing, wherein one-phase or two-phase fusing disconnection alarm can occur when the short circuit fusing exceeds a designed fusing threshold; short circuit fusing, namely alarming the short circuit trip of the three-phase circuit breaking device caused by the short circuit fusing; the leakage short circuit fusing, which causes that one-phase or two-phase fusing open circuit alarm can occur when the leakage short circuit fusing exceeds the designed fusing threshold; fusing of leakage short circuit, and alarming of leakage short circuit tripping of the three-phase circuit breaker caused by fusing of leakage short circuit; the manual brake-pulling is used for manually presetting one-phase or two-phase or three-phase manual circuit-breaking alarm of the three-phase circuit-breaking device; the circuit breaking can be caused by one-phase or two-phase circuit breaking alarm;
2 types of alarms of 2 types, which are caused by the power failure of a direct or indirect connection subordinate branch single-phase electric meter device corresponding to other configurations of the three-phase circuit breaking device, comprise a conversion main power supply, namely a conversion alarm caused by manual presetting of auxiliary power to main power; the auxiliary power supply is switched, and the main power supply is switched to the auxiliary power supply by manual presetting to give an alarm;
when the upper and lower multi-stage three-phase circuit breaking devices are directly or indirectly connected with a lower branch single-phase electric meter device corresponding to alarm and alarm at the same time, the monitoring devices corresponding to the upper three-phase circuit breaking devices alarm according to the principle that the alarm is not reported, and the alarm sources are all single-phase electric meter devices at the moment but are represented by the corresponding three-phase circuit breaking devices;
when a plurality of three-phase circuit breaking devices at the upper level and the lower level are subjected to switching-off overrun by an alarm phase current load or three-phase unbalance switching-off overrun and need load shedding, the monitoring devices corresponding to the three-phase circuit breaking devices at the lower level are used for carrying out priority processing according to a principle of first-down and last-up, and an alarm source at the moment is a centralized device or each step computer device;
the monitoring system device further comprises:
the single-phase electric meter device mainly comprises a single chip microcomputer unit containing a software program, a data storage unit, a current load metering unit, a current on-off identification unit, an over-under voltage identification unit, an upper computer communication unit, a lower computer communication unit, an electric leakage identification unit, a short circuit identification unit, an electric leakage self-checking identification unit, a main electric meter metering and charging unit, a sub-electric meter metering and charging unit, a relay driving unit, a relay unit, a built-in or external display unit, a built-in or external power supply unit, a built-in or external IC card reading and writing card unit and the like, wherein the upper computer communication unit is in communication connection with the upper computer centralized monitoring device;
during operation, the single chip microcomputer unit automatically identifies current load early warning and switching-off overrun alarm according to preset parameters of computer file building, automatically identifies current on-off and over-under-voltage, can actively switch on and off and can passively execute switching on and off, and can upload current real-time current load values, metering data and charging data when an upper computer patrols and examines;
in operation, the single-phase electric meter device can identify at least 21 alarms:
current break alarm, over-under-voltage early warning/over-under-voltage gate-off alarm, leakage trip alarm, short circuit trip alarm, current load early warning/current load gate-off alarm, leakage self-check failure alarm, lower computer communication failure alarm, metering failure early warning/metering failure gate-off alarm, switch failure alarm, lightning protection failure alarm/lightning protection failure gate-off alarm, manual button gate-off alarm, metering abnormality alarm, main electric amount early warning/main electric arrearage limit gate-off alarm, auxiliary electric amount early warning/auxiliary electric arrearage limit gate-off alarm, main electric power supply switching alarm, auxiliary electric power supply switching alarm, and IC electrician/user gate-off;
in operation, the single-phase electric meter device corresponds to at least 8 types of 72 algorithms with 4 time intervals, 4 steps and common rates:
real-time main electric meter number, real-time main electric amount, real-time main electric shared meter number, real-time main electric shared amount, real-time auxiliary electric meter number, real-time auxiliary electric amount, real-time auxiliary electric shared meter number and real-time auxiliary electric shared amount;
in operation, the single-phase electric meter device corresponds to a real-time current load value calculation formula with 1 algorithm as follows:
real-time current load value-current load monitoring defines the number of pulses received in a period of time X1000 watts X60 minutes/pulse constant/voltage (V)
The centralized device mainly comprises a monitoring management software program unit, a data storage unit, an upper computer communication unit, a lower computer communication unit, a display unit, a power supply, an IC card reading and writing card unit and the like, wherein the monitoring management software program at least establishes communication with 3 single-phase electric meter devices and at least indirectly monitors more than 1 three-phase circuit breaking device;
when a certain phase of the total three-phase circuit breaking device monitored by the centralized device receives the assigned pull-out nominal value issued by the computer device or the load shedding pull-out required by a certain phase of the self-monitored three-phase circuit breaking device, the centralized device directly allocates the real-time current load values directly or indirectly connected with the plurality of single-phase electric meter devices to the pull-out nominal value from big to small, and the single-phase electric meter devices allocated with the pull-out nominal values execute the power failure;
the computer device mainly comprises a computer, a monitoring service management software program corresponding to the ladder, a display device, an audible and visual alarm device and the like;
before operation, in order to ensure effective monitoring, a manager files information of a single-phase electric meter device such as the number, a superior centralized device number, a user name, a phase line type, a current pulse constant, voltage, a current monitoring self-defined cycle time, a current load (A)/an excessive under-voltage (V) preset early warning threshold, a current load preset switching-off threshold, a current load (A)/an excessive under-voltage (V) design switching-off threshold, a current load switching-off/excessive under-voltage switching-off release self-defined delay time, a superior three-phase circuit breaking device number, a preset threshold adjustment type, an installation address code and the like through a 1-step computer device to form a computer monitoring page corresponding to a single-phase electric meter device alarm information recording list and the like, and sets the information of the file under the condition of communication connection of the single-phase electric meter device, making it document content and hardware checking;
before operation, a manager carries out computer filing on data such as a start-stop number of a connection concentration device, the number of monitored three-phase circuit breaking devices, an installation address code and the like through a step-1 computer device, and carries out information setting under the condition of mutual communication connection with the concentration device, so that the filing content of the computer and hardware are matched and placed in a seat;
before the operation, the computer device with the upper ladder is provided, and managers need to carry out computer filing on data such as the starting and stopping number of the computer device with the lower ladder, the number of the three-phase circuit breaking devices to be monitored, the installation address code and the like through the computer device with the upper ladder, and carry out information setting under the condition of mutual communication connection among all the computer devices with the ladder, so that the filing content of the computer and the hardware are checked into the seat, and meanwhile, the computer filing content of the computer device with the lower ladder is examined;
before operation, a manager combines the functions, monitoring capabilities and connection relations of all monitoring devices through all ladder computer devices according to an 'electrical design schematic diagram', and performs configuration on a three-phase circuit breaking device number, a superior three-phase circuit breaking device number, a monitoring device name, a monitoring device number, a three-phase current load/unbalance design switching-off threshold, a three-phase current load/unbalance preset early warning threshold, a user-defined line loss rate and functions: the method comprises the steps of establishing files of special equipment name (KA)/leakage (MA)/short circuit (A)/fusing (A)/load (A) power-off threshold, user-defined overload switching-off rate, the number of single-phase electric meter devices directly or indirectly connected with each phase of three phases/preset indirect switching-off number, installation address codes, preset threshold adjusting types, action types, switching-off types and the like, forming verification tables and graphs corresponding to 'an electrical design schematic diagram', computer monitoring pages corresponding to single-phase electric meter device file establishing setting alarm and alarm information and the like, and computer monitoring pages of three-phase circuit breaker device file establishing alarm and alarm information and the like, automatically and manually adjusting and changing preset information parameters on line when necessary, having design threshold requirements, and adjusting and changing file establishing setting contents in a design threshold range.
To further illustrate the technical features of the present invention, the present invention is described in detail below with reference to the drawings and examples of the specification:
because there are not many three-phase breaking system devices and correspondingly configured monitoring system devices configured from power generation to power utilization on a power transmission line, the configuration of fig. 1 is only one of the three-phase breaking system devices, and not only is a schematic diagram showing an 'electrical design schematic diagram' of the configuration, but also the invention shows the interrelation among the devices, and the definition content parameters are only shown by device names and numbers and phase line codes in the diagram, and other content parameters are not marked, and other content parameters of computer profiling are only assumed here.
The three-phase circuit breaking system device comprises a three-phase circuit breaking device 31 shown in fig. 1, which is respectively connected with three-phase circuit breaking devices 21 and 22 of a next branch through three-phase power transmission conductors; the three-phase circuit breaking device 21 is connected with the lower branch three-phase circuit breaking devices 11 and 12 through three-phase power transmission conductors respectively; the three-phase breaking device 22 is connected with the lower branch three-phase breaking devices 13 and 14 through three-phase power transmission conductors; the AL phase of the three-phase circuit breaker 11 is respectively connected with the subordinate branch single-phase electric meter devices 01 and 02 through single-phase transmission conductors, the BL phase is connected with the subordinate single-phase electric meter device 03 through a single-phase transmission conductor, and the CL phase is connected with the subordinate single-phase electric meter device 04 through a single-phase transmission conductor; the AL phase of the three-phase circuit breaking device 12 is respectively connected with the subordinate branch single-phase electric meter devices 05 and 06 through single-phase transmission conductors, the BL phase is connected with the subordinate single-phase electric meter device 07 through a single-phase transmission conductor, and the CL phase is connected with the subordinate single-phase electric meter device 08 through a single-phase transmission conductor; the AL phase of the three-phase circuit breaking device 13 is respectively connected with the subordinate branch single-phase electric meter devices 09 and 10 through single-phase transmission conductors, the BL phase is connected with the subordinate single-phase electric meter device 11 through the single-phase transmission conductors, and the CL phase is connected with the subordinate single-phase electric meter device 12 through the single-phase transmission conductors; the phase AL of the three-phase breaking device 14 is connected to the subordinate branch single-phase electric meter devices 13 and 14, respectively, by single-phase transmission conductors, the phase BL is connected to the subordinate single-phase electric meter device 15, and the phase CL is connected to the subordinate single-phase electric meter device 16, each of which is connected to a corresponding single-phase electric output conductor.
The monitoring system device comprises a 2-step computer device 1 shown in figure 1 and is respectively in communication connection with a lower-level branch 1-step computer device 1 and a lower-level branch 2; 1, the ladder computer device 1 is respectively in communication connection with the lower branch centralized monitoring devices 1 and 2; 1, a ladder computer device 2 is respectively in communication connection with lower branch centralized monitoring devices 3 and 4; the centralized device 1 is respectively in communication connection with the single-phase electric meter devices 01, 02, 03 and 04; the centralized device 2 is respectively in communication connection with single-phase electric meter devices 05, 06, 07 and 08; the centralized device 3 is respectively in communication connection with the single-phase electric meter devices 09, 10, 11 and 12; the concentrator device 4 is in communication connection with the single-phase electric meter devices 13, 14, 15, 16, respectively.
The corresponding relation of the data sources between the monitored three-phase circuit breaking device and the monitoring device, the three-phase circuit breaking device 31 monitored by the 2-step computer device 1 in the electrical design schematic diagram of fig. 1, and the three corresponding phase data of the three-phase circuit breaking device 31 are derived from the sum of the real-time current load values and the sum of the average real-time current load values of the three-phase circuit breaking devices 21 and 22; 1 three-phase circuit breaking device 21 monitored by the step computer device 1, wherein three corresponding phase data of the three-phase circuit breaking device 21 come from the sum of real-time current load values and the sum of average real-time current load values of the three-phase circuit breaking devices 11 and 12; the step 1 computer device 2 monitors a three-phase circuit breaking device 22, and three corresponding phase data of the three-phase circuit breaking device are obtained from the sum of real-time current load values and the sum of average real-time current load values of the three-phase circuit breaking devices 13 and 14; the centralized device 1 monitors a three-phase circuit breaker device 11, and three corresponding phase data of the three-phase circuit breaker device are respectively derived from the sum of real-time current load values of single-phase electric meter devices AL01 and 02, the real-time current load value of BL03 and the real-time current load value of CL 04; the centralized device 2 monitors a three-phase circuit breaking device 12, and three corresponding phase data of the three-phase circuit breaking device are respectively derived from the sum of real-time current load values of AL05 and 06, BL07 and CL08 of single-phase electric meter devices; the centralized device 3 monitors a three-phase circuit breaking device 13, and three corresponding phase data of the three-phase circuit breaking device are respectively derived from the sum of real-time current load values of AL09 and 10, BL11 and CL12 of single-phase electric meter devices; the central unit 4 monitors the three-phase circuit breaker device 14, whose three corresponding phase data are respectively derived from the sum of the real-time current load values of the single-phase electric meter devices AL13 and 14, the real-time current load value of BL15 and the real-time current load value of CL 16.
Assuming that three-phase circuit breaking devices 11 and 21, AL phases of the three-phase circuit breaking devices are simultaneously reported by a step computer device 1 and a centralized monitoring device 1 to carry out early warning or over-limit of pull-out, unbalanced three-phase current or early warning or over-limit of pull-out according to the principle that the alarm is firstly sent down and then up, if the pull-out and load reduction are needed, the centralized device 1 firstly processes the alarm condition and carries out the pull-out and load reduction processing on the single-phase electric meter devices 01 and 02 according to the pull-out quantity calculated according to the preset pull-out rate and the real-time current load value is sorted from large to small, if the three-phase circuit breaking device 21 is not relieved from alarm after the interval time is defined for 30 seconds, the step computer device 1 carries out calculation and nominal allocation on the indirect pull-out quantity of the single-phase electric meter devices from large to small of the average real-time current of the lower branch three-phase circuit breaking devices 11 and 12 directly connected by the alarm phase of the three-phase circuit breaking device 21, and the total three-phase circuit breaking device monitored by the centralized device is allocated with the nominal amount of pull-out, the centralized device carries out switching-off load shedding treatment according to the sequence of real-time current of the single-phase electric meter device from large to small, except for the single-phase electric meter monitoring device which is switched off before.
The following example of specific data is illustrated with reference to fig. 1 (the calculation of the present example does not include the line loss rate):
since the real-time current load value of the total three-phase disconnection device 11 monitored by the central device 1 is derived from the sum of the lower branch single-phase meter devices 01 and 02 in-phase line data directly connected, when the real-time current load value of the AL-phase single-phase meter monitoring device 01 is 18A, the real-time current load value of 02 is 25A, the real-time current load value of the BL-phase 03 is 45A, and the real-time current load value of the CL-phase 04 is 42A, the real-time current load value of the AL-phase of the monitored three-phase disconnection device 11 is 18A +25A 43A, the average real-time current load value is (18A +25A) ÷ 2 ÷ 21.5, the real-time current load value of the BL-phase is 45A, the average real-time current load value of the CL-phase is 45A, and the average real-time current load value is 42A 1 ═ 42A.
Since the real-time current load value of the three-phase disconnecting device 12 monitored by the central device 2 is derived from the sum of the directly connected lower branch single-phase meter devices 05 and 06 on-phase line data, when the real-time current load value of the AL-phase single-phase meter monitoring device 05 is 19A, the real-time current load value of 06 is 21A, the real-time current load value of the BL-phase 07 is 42A, and the real-time current load value of the CL-phase 08 is 44A, the real-time current load value of the AL-phase of the monitored three-phase disconnecting device 12 is 19A +21A is 40A, the average real-time current load value is (19A +21A) is 2A, the real-time current load value of the BL-phase is 42A, the average real-time current load value of the 1 CL-phase is 44A, and the average real-time current load value is 44A.
Since the real-time current load value of the three-phase disconnecting device 13 monitored by the central device 3 is derived from the sum of the directly connected lower branch single-phase meter monitoring devices 09 and 10 in-line data, when the real-time current load value of the AL-phase single-phase meter monitoring device 09 is 22A, the real-time current load value of 10 is 30A, the real-time current load value of the BL-phase 11 is 54A, and the real-time current load value of the CL-phase 12 is 48A, the real-time current load value of the AL-phase of the monitored three-phase disconnecting device 13 is 22A + 30A-52A, the average real-time current load value is (22A +30A) -2A, the real-time current load value of the BL-phase is 54A, the average real-time current load value is 54A-1-54A, the real-time current load value of the CL-phase is 48A, and the average real-time current load value is 48A-1-48A.
Since the real-time current load value of the three-phase disconnecting device 14 monitored by the central device 4 is derived from the sum of the in-line data of the directly connected lower branch single-phase electric meter devices 13 and 14, when the real-time current load value of the AL-phase single-phase electric meter monitoring device 13 is 20A, the real-time current load value of 14 is 23A, the real-time current load value of the BL-phase 15 is 49A, and the real-time current load value of the CL-phase 16 is 45A, the real-time current load value of the AL-phase of the monitored three-phase disconnecting device 14 is 20A +23A ═ 43A, the average real-time current load value is (20A +23A) ÷ 2 ÷ 21.5A, the real-time current load value of the BL-phase is 49A, the average real-time current load value is 49A ÷ 1 ÷ 49A, the real-time current load value of the CL-phase is 45A, and the average real-time current load value is 45A ÷ 45A.
Since the real-time current load value of each phase of the three-phase disconnecting device 21 monitored by the 1-step computer device 1 is derived from the sum of the collinear data of the directly connected lower-branch three-phase disconnecting devices 11 and 12, which is also equal to the sum of the data of the AL phases 01, 02, 05 and 06, the sum of the data of the BL phases 03 and 07, and the sum of the data of the CL phases 04 and 08, based on the calculated data, the real-time current load value of the AL phase of the monitored three-phase disconnecting device 21 is 43A +40A — 83A, the average real-time current load value is (43A +40A) ÷ 4 ═ 20.75A, the real-time current load value of the BL phase is 45A +42A ═ 87A, the average real-time current load value is (45A +42A) ÷ 2 ÷ 43.5A, the real-time current load value of the CL phase is 42A +44A ═ 86A, and the average real-time current load value is (42A +44A ═ 2 ═ 43.5A).
Because each real-time current load value of the three-phase breaking device 22 monitored by the 1-step computer device 2 is derived from the sum of the collinear data of the directly connected lower branch three-phase breaking devices 13 and 14, which is also equal to the sum of the data of the single-phase electric meter devices AL09, 10, 13 and 14, the sum of the data of the BL phases 11 and 15, and the sum of the data of the CL phases 12 and 16, according to the calculated data, the real-time current load value 52A +43A of the AL phase of the monitored three-phase breaking device 21 is 95A, the average real-time current load value (52A +43A) ÷ 4 is 23.75A, the real-time current load value of the BL phase is 54A +49A 103A, the average real-time current load value (54A +49A) ÷ 2 is 51.5A, the real-time current load value of the CL phase is 48A +45A ═ 93A, and the average real-time current load value (48A +45A) ÷ 2 is 46.5A.
Since the real-time current load value of each phase of the three-phase breaking device 31 monitored by the 2-step computer device 1 is derived from the sum of the data of the same phase of the directly connected lower-stage branch three-phase breaking devices 21 and 22, also equal to the sum of the data of the AL phases 01, 02, 05, 06, 09, 10, 13, 14 of the single-phase electric meter device, based on the calculated data, the sum of the BL phase 03, 07, 11, and 15 data and the sum of the CL phase 04, 08, 12, and 16 data, the real-time current load value of the AL phase of the monitored three-phase circuit breaker 31 is 83A +95A — 178A, the average real-time current load value is (83A +95A) ÷ 8 — 22.5A, the real-time current load value of the BL phase is 87A +103A ═ 190A, the average real-time current load value is (87A +103A) ÷ 4 ÷ 47.5A, the real-time current load value of the CL phase is 86A +93A ═ 179A, and the average real-time current load value is (86A +93A) ÷ 4 ÷ 44.75A.
When the AL phase current load data of the three-phase circuit breaking device 31 exceeds a switching-off threshold and needs to be unloaded, the three-phase circuit breaking device has no communication capability or has no direct remote switching-off capability for the three-phase circuit breaking device, but each phase line of the three-phase circuit breaking device installed on a power transmission line is indirectly connected with a single-phase electric meter device, and a monitoring device corresponding to the three-phase circuit breaking device has the communication capability, so that the switching-off object of the alarmed three-phase circuit breaking device 31 is not the single-phase electric meter device itself, but the single-phase electric meter device indirectly connected with each phase line, the load-unloading object is the alarmed three-phase circuit breaking device 31, according to a formula of self-defined switching-off rate of the total number X of the single-phase electric meter devices directly or indirectly connected with the switching-off number preset by computer configuration, when the AL phase current load data of the alarmed three-phase circuit breaking device 31 preset by computer configuration is connected with 8 single-phase electric meter devices and the self-defined switching-off rate is 55%, the preset number of the pulling-out switches for computer filing is 8X 55% ≈ 5, and since the three-phase circuit breaking device 31 to be alarmed is not directly connected with a single-phase electric meter device, the corresponding 2-step computer device 1 needs to calculate and distribute 5 pulling-out switch denominations to the directly connected lower-level branch three-phase circuit breaking devices 21 and 22, according to the sequence that the calculated average real-time current load value 20.75A of the three-phase circuit breaking device 21AL phase uploaded correspondingly by the 1-step computer devices 1 and 2 is less than the average real-time current load value 23.75A of the three-phase circuit breaking device 22AL phase, according to the indirect pulling-out switch denomination calculation formula distributed by the three-phase circuit breaking device monitored by the computer device and the total three-phase circuit breaking device monitored by the centralized device: the indirect switching name (the first is 0)) X of the three-phase circuit breaking device to which the indirect switching name is allocated [ the indirect switching number preset by the alarm three-phase circuit breaking device by the alarm phase computer configuration-the indirect switching name (the first is 0) of the calculated result) ] X is allocated by the alarm phase average real-time current load value ÷ total alarm phase average real-time current load value of all three-phase circuit breaking devices is (5-0) X23.75A ÷ (23.75A +20.75A) ≈ 3, and the 3 names are allocated by the 2-step computer device 1 to the total three-phase circuit breaking device 22 which is monitored by the 1-step computer device 2 and has the average real-time current load value sorted by the 1 st order; according to the principle that when the three-phase circuit breaking device is distributed with the rest 1, the rest switch-off quantity is totally assigned to the three-phase circuit breaking device, the 2-step computer device 1 distributes 2 denominations to the total three-phase circuit breaking devices 21 which are sequenced in the 2 nd order of the average real-time current load value and monitored by the 1-step computer device 1.
Since the three-phase circuit breaking device 22 changes roles at this time, the allocated object is changed into the allocated object, 3 switching names are changed into the number of switching to be allocated at this time, the monitoring device is changed from the 2-step computer device 1 into the 1-step computer device 2, since the centralizing devices 3 and 4 correspond to the real-time current load value of the alarm AL phase of the total three-phase circuit breaking device 13 uploaded respectively as 52A, the average real-time current load value as 26A is greater than the real-time current load value of the alarm AL phase of the total three-phase circuit breaking device 14 as 43A, and the average real-time current load value as 21.5A, according to the indirect switching name calculation formula allocated by the three-phase circuit breaking device monitored by the computer device and the total three-phase circuit breaking device monitored by the centralizing device: the name of indirect switching is equal to (the number of indirect switching is preset by the alarm three-phase circuit breaking device by the alarm phase computer, the name of indirect switching is 0 for the first time) X, the three-phase circuit breaking device to which the three-phase circuit breaking device is distributed is divided by the average real-time current load value of the alarm phase divided by the sum of the average real-time current load values of all the three-phase circuit breaking devices by the alarm phase is equal to (3-0) X26A divided by (26A +21.5A) approximately equal to 2, the 2 denominations are assigned by the 1-step computer device 2 to the 1 st order of the average real-time current load values of the total three-phase circuit breaking devices 13 monitored by the concentration device 3, and when the remaining number of switches is equal to 1, rule of three-phase circuit breaking device that can be directly assigned to next real-time current load value sorting, 1 step computer device 2 directly assigns the remaining 1 pull-out denomination to the total three-phase circuit breaking device 14 whose average real-time current load value 2 nd sorting is monitored by the concentration device 4;
because the total three-phase circuit breaking device 13 monitored by the centralized device 3 is allocated with 2 denominations by the step computer device 2 of 1, after the centralized device receives the denominations of the inter-phase connection and the pull-out of the total three-phase circuit breaking device corresponding to the total three-phase circuit breaking device which is allocated for monitoring by the computer device, the centralized device issues the pull-out and power-off instructions according to the rule that the real-time current load values of the corresponding single-phase electric meter monitoring devices are sorted from large to small and the sort that the real-time current load value 22A uploaded by the alarm phase AL09 of the single-phase electric meter device is smaller than the real-time current load value 30A uploaded by the alarm phase AL10, and the single-phase electric meter devices 10 and 09 are directly issued with the pull-out and power-off instructions by the centralized device 3 respectively;
because the total three-phase circuit breaking device 14 monitored by the centralized device 4 is allocated with 1 switching-out nominal number by the step computer device 21, after the centralized device receives the switching-out nominal numbers corresponding to the interphase connection and distributed to the total three-phase circuit breaking device monitored by the computer monitoring service device, the centralized device issues the switching-out power-off command according to the rule that the real-time current load values of the corresponding single-phase electric meter devices are sorted from large to small and the sort that the real-time current load value 20A uploaded by the alarm phase AL13 of the single-phase electric meter device is smaller than the real-time current load value 23A uploaded by the alarm phase AL13, and the single-phase electric meter device 14 is directly issued with the switching-out power-off command by the centralized device 4;
since the three-phase circuit breaking device 21 changes roles at this time, the distributed object is changed into the distributed object, 2 switching names are changed into the number of switching to be distributed at this time, the monitoring device is changed from the 2-step computer device 1 into the 1-step computer device 1, since the centralizing devices 1 and 2 correspond to the alarm AL phase real-time current load value 43A of the total three-phase circuit breaking device 11 uploaded respectively, the average real-time current load value 21.5A is greater than the alarm AL phase real-time current load value 40A of the total three-phase circuit breaking device 12, and the average real-time current load value 20A, the formula is calculated according to the indirect switching names distributed by the three-phase circuit breaking device monitored by the computer device and the total three-phase circuit breaking device monitored by the centralizing device: the indirect pull-out name rate is [ the indirect pull-out name rate (first 0) preset by the alarm phase computer for the alarm three-phase circuit breaking device is calculated as the result of the calculation ] X is distributed to three-phase circuit breaking devices, the average real-time current load value of the alarm phase is divided by the average real-time current load value of all the three-phase circuit breaking devices, the sum of the average real-time current load values of the alarm phase is (2-0) X21.5A divided by (21.5A +20A) and is approximately 1, the name rate is distributed to the total three-phase circuit breaking devices 11 which are sorted by the average real-time current load value 1 st and monitored by the concentration device 1 st by the step-1 computer device, when the residual pull-out number is equal to 1, the rule can be directly distributed to the three-phase circuit breaking devices which are sorted by the average real-time current load value 2 nd, the step-1 computer monitoring service device 1 directly distributes the residual pull-out name rate to the total three-phase circuit breaking devices 12 which are monitored by the concentration device 2 nd sorted by the average real-time current load value 2 nd, if calculated, the indirect pull-off denominations of (2-1) X20A ÷ (21.5A +20A) ≈ 1, which denominations are assigned by the 1-step computer device 1 to the 2 nd order of the average real-time current load values of the total three-phase circuit breaking devices 12 monitored by the concentration device 2;
because the total three-phase circuit breaking device 11 monitored by the centralized device 1 is allocated with 1 switching-out denomination by the step computer device 1 of 1, the centralized device is sorted according to the real-time current load value 18A uploaded by the corresponding phase single-phase electric meter device AL phase 01 being smaller than the real-time current load value 25A uploaded by the single-phase electric meter device AL phase 02, and the single-phase electric meter device 02 is directly issued with a switching-out instruction by the centralized device 1;
because the total three-phase circuit breaking device 12 monitored by the centralized device 2 is allocated with 1 switching-out denomination by the step computer device 1, the centralized device is sorted according to the real-time current load value 19A uploaded by the corresponding phase single-phase electric meter device AL phase 05 is less than the real-time current load value 21A uploaded by the corresponding phase single-phase electric meter device AL phase 06, and the single-phase electric meter device 06 is directly issued with a switching-out instruction by the centralized device 2;
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The main pages of the computer filing information are as follows:
step 1 the computer device 1 is profiled against the numbering and quantity pages in fig. 1 as follows:
the operation process of the filing computer: in the above-mentioned form except item row, the first action is filling-in row for filing-in by filing-in person, and the other actions are stored, and after the filling-in is completed according to the requirements of item, the upper portion of said form is clicked
At this time, the contents of the table filling line are copied to the following storage lines and automatically sorted according to the number sequence of the 1-step computer device from small to large, if the contents need to be modified, the computer mouse clicks the selected line in the storage lines and turns dark, the contents filled in the line are imported into the table filling line and can be modified, and after the modification is finished, the contents above the table are clicked
Filing and filling table →
→ amendment → Re
And ending the flow, wherein the deleting is consistent with the modifying operation method. (the above filing contents are equivalent to information setting after the monitoring device is stored, and the address, date and name are assumed)
Integrating device information
The concentrator profiles the pages against the numbers and quantities in fig. 1 as follows:
the above table is provided with project lines, wherein the first line is a filling line for filing staff to fill in, and clicks after filling is completed
The content of the first line is stored in the next line for observing whether the storage is correct or not, if the storage is wrong, the concentrator number line in the stored line is clicked and darkened, and the concentrator number line is clicked
If the centralized device number is correct, the filling of the next centralized device can be completed only by modifying the centralized device number, the starting and stopping numbers of the connected three-phase single-phase electric meter devices, the number of the monitored three-phase circuit breaking devices, the number of the monitored total three-phase circuit breaking devices, the installation address and the like in the filling row.
Centralized device information setting page
Under the condition that the computer is effectively connected and communicated with the centralized device 1, the table information is set through computer mouse points
And the numbers of the upper and lower cracks of the 1 and 2 pop up, the page is 1,
the centralized device 1 is used to export and display the corresponding filing and saving contents
After the parameters are confirmed to be correct, the empty table row is connected with the centralized device through communication through a computer device, and the computer device is clicked
The filing information is set in the centralized device, which includes the relevant information corresponding to the following three-phase circuit breaker information filing, and the new centralized device number in the table is used for changing the number.
Information of single-phase electric meter
Single-phase electric meter device compares the number and quantity filing data filling page in figure 1
Description of the drawings: when the computer is built, the upper table is filled with the first row of the table, which is
The clicking of the symbol of (1) can select an option, and other empty forms are filled in; the user number is composed of 16 natural numbers, namely a community building unit number 00000000+ a floor number 0000+ a house number 0000; the usage type has public and private 2 options, click
The up-down arrangement of public and private characters shows that the selected page is private; the user type has 2 options of residence and non-residence, and the page selects the residence; the preset threshold mode has 2 options of manual operation and automatic operation, the page selection is manual operation, the manual operation is manually filled when the current load changes the preset pull-out gate and the early warning threshold, and the automatic operation is that when the current load changes the preset pull-out gate and the early warning threshold, the current load automatically takes the new preset threshold according to the actual highest load value exceeding the preset thresholdSetting a threshold, wherein the threshold can only be changed within a design threshold range no matter the threshold is manually or automatically set; the power utilization type has 2 options of single phase and three phase, and the page selects single phase; the three-phase preset group number is a new number after the single-phase electric meter devices are combined into the three-phase electric meter device and is used for linkage and centralized payment of the three-phase electric meter device; the current load/over-under-voltage design switching threshold is the highest threshold which is manually and automatically changed and adjusted; the current load preset switching-off threshold means that in operation, when the current load exceeds a preset threshold value, switching-off is carried out; the current load/over-under-voltage preset early warning threshold respectively means that in operation, when the current load and the voltage exceed the preset threshold, an alarm is given; the current load self-defined period time means that the number of received pulses is counted in a specified time and circulated in this way; the current load switching-off/over under-voltage switching-off release self-defined delay switching-on time respectively refers to the time length of automatic delay switching-on after active and passive current load switching-off and after over under-voltage switching-off release in operation; the function is switched on by default after the leakage current and the short-circuit current are filled in, otherwise, the function is not switched on; the day and time period of leakage self-checking mean that automatic self-checking is carried out within the time of a preset period to test whether the leakage function is intact, and the irregular operation flow of leakage self-checking is carried out in cooperation with any switching-out except short circuit every time; the pulse constant has 6 options of 100, 200, 400, 800, 1600 and 3200, and 1600 is selected on the page; the voltage has 110V, 220V2 options, and the page selects 220V; the boundary point 1, the boundary point 2, the boundary point 3 and the boundary point 4 respectively represent different steps or different time periods; the sum early warning/arrearage limit brake-off preset threshold respectively means that in operation, when the sum exceeds a preset threshold value, the alarm is given, and when the sum exceeds a preset arrearage limit threshold, the brake-off is carried out; the metering failure early warning/switching-off preset threshold respectively means that when the unmeasured time limit exceeds the preset threshold in operation, namely switching-off and switching-on are carried out, and then metering failure warning is reported when the unmeasured time limit is not metered in the preset threshold; the usage abnormity early warning preset threshold means that in operation, when the usage exceeds the threshold, the abnormal user enters an abnormal user observation management page, and a normalizer deletes the abnormal user observation management page and an abnormal user maintains the abnormal user observation management page; the payment type comprises 2 options of prepayment and post-payment, and the option on the page is prepayment; the wallet type has 3 options in total, that is, the main and auxiliary electric meters are mixed for integral settlement (internal settlement),secondly, the three-phase main electric meter/three-phase auxiliary electric meter is classified and mixed to perform overall settlement (centralized settlement), and thirdly, the three-phase main electric meter and the three-phase auxiliary electric meter are mixed to perform overall settlement (centralized settlement); the rate type has 3 options of normal, step and time period, and the page is selected to be normal; the rate information is imported from the computer rate filing data (this example is omitted);
after the filing of the computer filing data is finished, clicking
After the button is pressed, a computer filing information list is displayed, basic information, circuit information, main ammeter information, auxiliary ammeter information, date, time and the like are arranged in a line, and a user line is formed, wherein the group concentration device number and the single-phase ammeter device number are automatically arranged from top to bottom from small to large.
Single-phase ammeter device information setting page
Description of the drawings: the computer is effectively connected with the single-phase electric meter device through a communication line, and firstly, the computer mouse is used for clicking in the electric meter
Communication test, observing the reaction of the initialized single-phase electric meter device, and clicking the corresponding upper-level centralized device number after normal operation
Selecting the superior concentrated device numbers which are filed and arranged from top to bottom in a small to large order, and then using the device numbers of the single-phase electric meters to correspond to
Selecting single-phase electric meter device numbers which are filed and arranged from top to bottom in a sequence, and clicking on the single-phase electric meter device numbers under the condition of keeping communication
Or
The last column of state display information on the upper table is set up completely or data is read completely or communication fails; for the single-phase electric meter device with the set number, clicking when the updated single-phase electric meter device number needs to be changed
After the button data is read, the last column of the upper table presents the single-phase electric meter device number of communication connection, and the corresponding single-phase electric meter device number is clicked at the moment
Selecting the number corresponding to the single-phase electric meter, filling the changed number in the new single-phase electric meter number column, and clicking the number corresponding to the single-phase electric meter
Selecting the changed number, clicking
A button for observing the page data change and status indication; and 0 in the alarm information column is no alarm, and if not, the alarm is given.
Information inquiry printing page of single-phase electric meter device
Description of the drawings: inquiring and printing process-1, filling concrete inquiring date in the date column on the eyebrow; 2. when individual user information is inquired, a registered object is filled in a blank space corresponding to a user number or a user name (if the user number or the user name is repeated during registration, the computer automatically refuses registration), at the moment, the computer automatically searches a blank item in the content corresponding to the object and automatically changes the corresponding excellent to the good to the automatic screen to prevent emptying in subsequent printing, when a printing option is inquired, the selected content is selected only by clicking the excellent to change to ●, and the user selects the content after clicking the excellent to the good, so that the user can easily and conveniently check the content in the eyebrow
After the button is pressed, the basic information, the circuit information, the main ammeter information, the auxiliary ammeter information and the alarm information are arranged in a line, a printed page is displayed one line a day, if printing is needed, the printed page is clicked on the upper margin of the printed page
The buttons are needed, and because the pages in the line layout are longer and exceed the range of the transverse A4 paper, the computer can automatically typeset by taking the user number of each page as the beginning during printing; 3. when inquiring all user information, click on the eyebrow
After the button is pressed, the basic information, the circuit information, the main ammeter information, the auxiliary ammeter information and the alarm information are arranged in a line and automatically arranged from small to large according to the user number sequence to be displayed on a printing page.
Information of three-phase circuit breaker
Three-phase circuit breaking device build-up page
Description of the drawings: the following basic information: the blank space corresponding to the name of the special equipment can be filled in a power station, a transformer substation, a transformer and the like so as to rapidly identify a fault source; the three-phase current load design switching-off threshold is the highest threshold which is manually and automatically changed and adjusted, the three-phase current load preset switching-off threshold means that in operation, when the current load exceeds the preset switching-off gate limit value, switching-off is carried out, and when the three-phase current load exceeds the preset early warning threshold value, alarming is carried out; the self-defined line loss rate is a line loss load estimation value of a power transmission conductor between nodes, and the load estimation value is calculated into a load collected in real time; function configuration: 0/0/0/0/0 in a power failure threshold (KA/MA/A/A/A) corresponding table of the name/electric leakage/short circuit/fuse/load of the special equipment, filling a natural number which is greater than 0 to turn on a corresponding function, or else, turning off the function; the self-defined switching-off rate means that when a certain phase of the three-phase circuit breaking device needs to be indirectly switched off and load shedding, all corresponding single-phase electric meter devices are not switched off, but the switching-off is selectively carried out according to the self-defined proportion so as to reduce the power failure range; the number of single-phase electric meter devices with three phases connected directly or indirectly is a known bar prepared for calculating the switching rate and calculating the average current value
A member; the action types are 2 choices, namely automatic and manual, which are mainly designed for current load switching-off and are means for manual switching-off; the preset threshold mode has 2 options of manual operation and automatic operation, the selection on the page is manual operation, namely manual operation is performed when the current load changes the preset pull gate and the early warning threshold, and the selection is automatic operation, namely when the current load changes the preset pull gate and the early warning threshold, the selection is a new preset threshold according to the actual highest load value exceeding the preset threshold, and the selection can only change within the range of the design threshold no matter the threshold is manually and automatically set; the type of the switch-off is 2 choices, namely small group-divided public switch-off and small group-divided public switch-off, wherein the small group-divided public switch-off avoids the public electric meter in the indirect switch-off process. And the number information of the main or auxiliary electric meters: the boundary point 1, the boundary point 2, the boundary point 3 and the boundary point 4 respectively represent different steps or different time periods; in the table, AL, BL and CL represent 3-phase circuits; the basic meter number is the sum of the metering numbers of the single-phase electric meter devices corresponding to the three-phase circuit breaking devices; the line loss count is an estimated number calculated from the line loss rate on the basis of the basic table number.
And (3) reporting the information of the main or auxiliary electric meter shared stand: the start-stop number of each main or auxiliary electric meter device of each three-phase group refers to the start-stop number of each corresponding single-phase electric meter device; the start and stop numbers of the public main or auxiliary electric meter devices of each three-phase group refer to the start and stop numbers of each corresponding public single-phase electric meter device; the number of the public main electric meters of each three-phase group refers to the total number of the public single-phase electric meters corresponding to each phase group; the number of the main or auxiliary electric meter devices of each phase group user refers to the number of the electric meter devices except for the public electric meter devices in each phase group; the shared amount of the main or auxiliary electric meters of each phase group of the three phases refers to the X rate of the number of the common meters; the shared money amount of the main or auxiliary electric meter device of each phase of users in the three-phase group refers to the shared money amount of the given result divided by the total number of non-public users.
'Electrical design schematic diagram' horizontal tree-form verification table diagram list
And if the upper table horizontal tree-shaped verification table diagram corresponds to the 'electrical design schematic diagram' number, checking the filing parameters for filing again if the upper table horizontal tree-shaped verification table diagram does not match the number.
Presetting information for manual switching-off period or dual-power supply conversion period of three-phase circuit breaking device
Alarm information recording list (computer page) for single-phase electric meter
Description of the drawings: the single-phase electric meter device number on the upper table indicates the single-phase electric meter device for alarming; the number of the upper-level centralized device refers to the centralized device to which the single-phase electric meter device for alarming belongs; the upper three-phase breaking device number refers to a three-phase breaking device which is directly connected with a single-phase electric meter device for alarming; the alarm phase line refers to the phase line where the single-phase electric meter device for alarming is located; the design of single-phase current load (A)/over-under-voltage (V) switching threshold (A) refers to the maximum borne current load and over-under-voltage of the single-phase electric meter device for alarming; presetting a switching threshold finger switching-out condition for a single-phase current load; presetting an early warning threshold (A) for a single-phase current load (A)/an over-under-voltage (V) to indicate an alarm condition; the current load refers to the comparison of the current value with the preset and designed number; the reason for the alarm is a conclusion made according to preset parameters; the names of the action sources correspond to power stations, substations, transformers, fire control, property, electricians, other terminals and higher terminals, wherein the names of special equipment such as power stations, substations and transformers and the like are used for indirectly and partially switching off current loads (including three-phase unbalance switching-off) caused by three-phase circuit breaking devices, reporting the names of the special equipment and corresponding to the numbers of the three-phase circuit breaking devices to be alarmed; the indirect part of the current load caused by the three-phase circuit breaking device with a non-special equipment name is passively switched off (including three-phase unbalance switching off), reports the upper level and corresponds to the number of the three-phase circuit breaking device to be alarmed; indirectly and partially or totally passively switching off caused by fire fighting, property, electricians and the like, and correspondingly reporting the fire fighting, property or electricians; indirect partial or complete passive switching due to unknown reasons reports others.
Establishing a file according to computer data, setting parameters according to information and calculating a formula of the current load: the current load in the example of the first row single-phase electric meter device 01 for alarming in the above table is 18.1A, the calculation formula is used for back-pushing, the real-time current of the single-phase electric meter device is 18.1A, the number of pulses received in 1 minute is X1000 watt X60 minute divided by the pulse constant (pieces) divided by the voltage (V), namely the number of pulses received in 1 minute is 18.1AX 1600X voltages 220V divided by 1000 watt divided by 60 minutes is 106, the current load early warning in the example of the first row single-phase electric meter device 01 for alarming in the above table is preset to the threshold 18A, the calculation formula is used for back-pushing, the real-time current of the single-phase electric meter device is 18A, the number of pulses received in 1 minute is X1000 watt X60 minute divided by the pulse constant (pieces) divided by the voltage (V), namely the number of pulses received in 1 minute is 18AX 1600X voltages 220V divided by 1000 watt divided by 60 minutes, the former is larger than the latter, therefore, the single-phase electric meter device 01 reports that the current load early warning is over-limit and is displayed on the page of the computer device, and when the calculation result is lower than the early warning preset threshold, the single-phase electric meter device reports to the alarm and is relieved and is displayed on the page of the computer device; in the example of the second row of single-phase electric meter device 02 for alarming from the above table, the current load is 20.6A, the calculation formula is used for pushing back, the real-time current of the single-phase electric meter device is 20.6A, the number of pulses received in 1 minute is X1000 watt X60 minute divided by the pulse constant (number) divided by the voltage (V), that is, the number of pulses received in 1 minute is 20.6AX 1600X voltage 220V divided by 1000 watt divided by 60 minute divided by 120, the current load in the example of the first row of single-phase electric meter device 02 for alarming from the above table is pulled to gate by a preset threshold 20A, the calculation formula is used for pushing back, the real-time current of the single-phase electric meter device is 20A, the number of pulses received in 1 minute is X1000 watt X60 minute divided by the pulse constant (number) divided by the voltage (V), that the number of pulses received in 1 minute is 20AX 220V divided by 1000 watt divided by 60 minute, the former is larger than the number received in 1 minute, therefore, the single-phase electric meter device 02 reports that the current load is over-limited when being pulled out, and the current load is pulled out and is cut off at the same time, and the load is displayed in an alarm reason column;
the third row of single-phase electric meter devices 12 is alarmed on the upper table, when the over-under-voltage identification unit detects the over-under-voltage power-off signal, an over-under-voltage power-off alarm is reported, and the computer device analyzes and judges the reported over-under-voltage power-off alarm, and confirms that 1 meter is displayed on the page and confirms that more than 2 meters are not displayed on the page; alarming that the fourth row single-phase electric meter device 02 is switched off by the load of the upper level centralized device 1, displaying the indirect switching off of the upper level load in an alarm reason column, automatically switching on after the self-defined 5-minute delay time is reached after the second, third and fourth rows of 3 switching off, reporting to remove the alarm and displaying the alarm on the page of the computer device; and the last row of passive load indirect switching-off is to execute the load shedding indirect switching-off action calculated and distributed by the switching-off overrun of the load of a certain three-phase circuit breaking device issued by the upper monitoring device, and automatically switch on in a delayed manner according to preset parameters.
Seventhly, the three-phase breaking device is reported and alarm information recording list (for example, computer page)
The three-phase circuit breaker 11 monitored by the first line centralized device 1 for upper-table alarm is characterized in that the sum of current loads of the branch lower-level AL-phase single-phase electric meter devices 01 and 02 is 31A, the sum of current loads exceeds an upper-table early-warning preset threshold 30A, the alarm reason shows load early-warning, when the AL-phase current load is lower than an early-warning preset threshold 30A, the centralized device 1 relieves the alarm and displays alarm information on a computer device page, the alarm reason corresponds to load early-warning, the function configuration corresponds to a leakage threshold 200MA and a short-circuit threshold 150A, the action instruction issuing mode comprises 2 types of initiative and passivity, the line corresponds to 2 types of initiative and 2 types of action, the line corresponds to automation, and the installation address code corresponds to 30; in the above table, the three-phase circuit breaking device 21 monitored by the second row 1 step computer device 1 for alarming is supposed to be that the sum of the current loads of the branch lower-level three-phase circuit breaking devices 11 and 12AL phases is 91A and exceeds the preset switching-out threshold 90A, the alarm reason corresponds to load switching-out, when the current load of AL phase is lower than the preset switching-out threshold 90A, the 1 step computer device 1 releases the alarm and displays alarm eliminating information on a computer device page, the function configuration corresponds to the leakage threshold 200MA and the short-circuit threshold 150A, and the installation address corresponds to 32; the third, fourth and fifth elements of the upper alarm are the three-phase circuit breaking device 31 monitored by the 2-step computer device 1 and the alarm issued by the superior 2-step computer device 1; the action type corresponds to 2 display contents of automatic and manual operation, wherein when the manual operation is displayed, a computer mouse is required to click the manual operation, then pop up a dialog box for confirming the execution of the action, and then click the confirmation to execute the switching-off action, and the computer device for going downstairs can execute automatic and manual instructions issued by the computer device for going upstairs.
The table above is a three-phase circuit breaker query page
Description of the drawings: query process- -1, fill in the date column on the eyebrow and write the concrete query date; 2. when the number of the individual three-phase circuit breaking device is inquired, a corresponding registered object is filled in a space below the individual three-phase circuit breaking device, at the moment, the computer can automatically search a blank item in the content corresponding to the object and automatically change the corresponding excellent performance to good performance as an automatic screen to prevent blank in subsequent printing, when the printing option is inquired, the selected content is selected only by clicking the excellent performance to change the selected content to ●, the eyebrow is clicked, and the eyebrow is clickedOn
Basic information after the button is pressed, main ammeter metering information, main ammeter shared information, auxiliary ammeter metering information, auxiliary ammeter shared information, alarm information and the like present printed pages which are arranged in a line and are automatically sequenced from small to large by taking the three-phase circuit breaking device number as the beginning, if the printed pages need to be printed, the printed pages are clicked on the eyebrows of the printed pages
The buttons are needed, and because the pages arranged in a straight line are longer and exceed the range of transverse A4 paper, the computer can automatically typeset by taking the number of the three-phase breaking device of each page as the beginning when printing; 3. when inquiring all user information, click on the eyebrow
After the button is pressed, basic information, main ammeter metering information, main ammeter shared information, auxiliary ammeter metering information, auxiliary ammeter shared information, alarm information and the like are arranged in a line, and the basic information, the main ammeter metering information, the auxiliary ammeter shared information, the alarm information, the auxiliary ammeter metering information, the auxiliary ammeter shared information, the alarm information and the like are automatically arranged from small to large according to the number sequence of the three-phase circuit breaking devices and displayed on a printing page. The computer device with the ladder can inquire the computer device with the ladder, including the centralizing device, but the computer device with the ladder can not inquire the computer device with the ladder. Name of special equipment and other filed information are disconnected from corresponding three phases
The filing content of the step-1 computer monitoring device 2 is basically consistent with that of the step-1 computer monitoring device 1, but the corresponding numbers are different, and are omitted.
The 2-step computer device 1
The 2-step computer device 1 is configured as follows by comparing the numbers and the quantity in fig. 1:
description of the drawings: the 2-step computer device is different from the 1-step computer device in that the 2-step computer device is not directly connected with a centralized device, the lower stage of the 2-step computer device is directly connected with the 1-step computer device, and a monitored three-phase circuit breaking device is in a defense area range between two steps. But it can check the information of the computer device at the lower step, and can distribute the name of indirect switching to the lower step, and other such single-phase and three-phase total metering and charging are basically consistent with the three-phase circuit breaking device monitored by the computer device at the lower step, including the data file of the three-phase circuit breaking device, the page of the alarm information, the page of inquiry and so on, which are omitted.
② horizontal tree form verification table (computer page) of electrical design principle diagram
And checking whether the horizontal tree-shaped table on the upper table is matched with the three-phase circuit breaking device and the corresponding monitoring device or not by comparing the tree-shaped structure of the figure 1, and if the horizontal tree-shaped table is not matched, checking the filing parameters and re-filing.
Three-phase circuit breaking device manual switching-off period or dual-power supply conversion period preset information list
The manager of the table above is 10 at 09 months and 12 days in 2019: 10 in the above table is preset a three-phase circuit breaker 31 to be monitored in 2019, 10, month 10, 11, day 10: 20-11: 20 manual switching-off information, wherein the monitored three-phase circuit breaking device 31 corresponds to the power failure alarm of the indirectly connected single-phase electric meter device in a preset time period, all levels of monitoring system devices including 1 step computer device are regarded as manual switching-off power failure, and the monitored three-phase circuit breaking device including 1 step computer device is reflected in the alarm information record.
Claims (2)
1. A method for copying and monitoring the broken nodes of physical electric network by computer includes such steps as monitoring the three-phase broken system by 1 or more broken units, monitoring the three-phase broken system by 3 or more single-phase electric meters, 1 or more centralized monitoring units and 1 or more step computer monitor service units, connecting the single-phase electric meters to the corresponding centralized unit by strong electric transmission lines, connecting the centralized unit to the step computer by communication mode, connecting the step computer to the step computer by communication mode, the single-phase electric meter device which is used as two systems and has cross connection and communication capacity not only has single-phase circuit power-on and power-off identification capacity and over-voltage and under-voltage identification capacity, but also has current load calculation capacity and power-on and power-off capacity, so that the possibility is provided for indirectly monitoring the three-phase circuit breaking system device, only according to the upper and lower levels of each three-phase circuit breaking device in an 'electrical design schematic diagram' of the three-phase circuit breaking system device and the direct or indirect connection relation with the single-phase electric meter device, the monitoring capacity and the actual requirement of each monitoring device are combined, the corresponding monitoring system device is configured, the real-time current load value directly uploaded by the single-phase electric meter device is the data source of the centralized device, the real-time current load value indirectly uploaded by the total three-phase circuit breaking device monitored by the centralized device is the data source of the 1-step computer device, the real-time current load value indirectly uploaded by the total three-phase circuit breaking device monitored by the 1-step computer device is the data source of the 2-step computer device, in this way, the real-time current load value indirectly uploaded by the total three-phase circuit breaking device monitored by the lower-stage computer device is the data source of the upper-stage computer device, the real-time current load value of the lower-stage three-phase circuit breaking device is the data source of the upper-stage three-phase circuit breaking device, when any monitoring device monitors 1 three-phase circuit breaking device, the three-phase circuit breaking device is the total three-phase circuit breaking device, and when any monitoring device monitors a plurality of upper-stage and lower-stage three-phase circuit breaking devices, the three-phase circuit breaking device at the uppermost-stage position is the total three-phase circuit breaking device of the monitoring device;
in operation, the single-phase nodes of each three-phase circuit interrupting device correspond to at least 160 algorithms:
the three-phase node corresponds to at least 10 types of 90 algorithms with 4 time intervals, 4 steps and common rates, and 30 types of algorithms correspond to single phases:
the method comprises the following steps of three-phase total real-time main electricity charging calculation, three-phase total real-time auxiliary electricity charging calculation, three-phase total real-time main electricity common amount calculation, three-phase total user amount calculation, real-time total real-time main electricity common user amount calculation, three-phase total real-time auxiliary electricity common user amount calculation and three-phase total real-time auxiliary electricity common user amount calculation;
the single-phase node of the three-phase circuit breaking device corresponds to at least 14 types of 126 algorithms with 4 time intervals, 4 steps and common rates:
calculating the number of single-phase total real-time main electric meters, calculating the number of single-phase total real-time main electric sums, calculating the loss count of single-phase total real-time main electric lines, calculating the number of single-phase total real-time main electric utility meters, calculating the number of single-phase total real-time main electric common users, calculating the sum of single-phase total real-time main electric common users, calculating the number of single-phase total real-time auxiliary electric meters, calculating the sum of single-phase total real-time auxiliary electric lines, calculating the sum of single-phase total real-time auxiliary electric common meters, calculating the sum of single-phase total real-time auxiliary electric common users, and calculating the sum of single-phase total real-time auxiliary electric common users;
the current load corresponding to a single-phase node of a three-phase circuit breaking device is provided with 4 algorithms of 2 types:
calculating single-phase total real-time current load, calculating single-phase total average real-time current load, calculating single-phase total indirect switching distribution, and calculating three-phase balance real-time comparison;
during operation, when a certain phase of the monitored three-phase circuit breaking device is directly connected with a subordinate branch single-phase electric meter device or directly connected with a subordinate branch three-phase circuit breaking device, a real-time current load value is calculated according to a user-defined line loss rate preset by computer profiling, and calculation formulas for identifying the real-time current load value are respectively as follows:
when a certain phase of the three-phase circuit breaking device is directly connected with a subordinate branch single-phase electric meter device, a real-time current load value calculation formula is as follows:
the real-time current load value is equal to the sum of the phase connection data corresponding to the directly connected subordinate branched single-phase electric meter device plus the sum of the phase connection data corresponding to the directly connected subordinate branched single-phase electric meter device, and the line loss rate is defined by X
When a certain phase of the three-phase circuit breaking device is directly connected with a subordinate branch three-phase circuit breaking device, a real-time current load value calculation formula is as follows:
the real-time current load value is defined as the sum of the phase connection data corresponding to the directly connected lower-level branch three-phase circuit breaking device plus the sum of the phase connection data corresponding to the directly connected lower-level branch three-phase circuit breaking device, and the line loss rate is defined by X
In operation, when the monitored three-phase circuit breaking device is out of limit by alarm phase or current load switching or unbalance switching out is out of limit and needs load shedding and adjustment, in order to reduce the power failure range of the three-phase circuit breaking device, the corresponding number of the single-phase electric meter devices directly or indirectly connected and the self-defined switching-out rate are preset according to computer profiling to control the power failure range, and the calculation formula of the number of the single-phase electric meter devices directly or indirectly connected is as follows:
computer filing preset indirect switching-off quantity as total number X of single-phase electric meter devices directly or indirectly connected with the computer self-defined switching-off rate
During operation, when a real-time current load value of a certain phase of a three-phase circuit breaking device monitored by a computer device at any ladder exceeds a switching threshold and switching-off denominations need to be distributed to a directly connected subordinate branch three-phase circuit breaking device, because the current loads of the subordinate branch three-phase circuit breaking devices are likely to have large differences and are fair to display, the average real-time current load value of the subordinate branch three-phase circuit breaking device needs to be calculated through the total number of indirectly connected subordinate branch single-phase electric meter devices preset by computer profiling, and the switching-off denominations are distributed according to the calculated average real-time current load value in a sequencing mode until the current load value is distributed to the total three-phase circuit breaking device monitored by a centralized device;
the calculation formula of the average real-time current load value of each phase of the three-phase circuit breaking device monitored by the computer device and the total three-phase circuit breaking device monitored by the integrated device is as follows:
the average real-time current load value is real-time current load value ÷ computer filing preset corresponding total number of indirectly-connected subordinate branch single-phase electric meter devices
The three-phase balance degree calculation formula of the three-phase circuit breaking device is as follows:
three-phase balance degree (phase line maximum real-time current load value-phase line minimum real-time current load value) ÷ phase line maximum real-time current load value
During operation, when a certain phase current load of a monitored three-phase circuit breaking device is pulled out to exceed the limit or unbalance is pulled out to exceed the limit and needs to be unloaded and leveled, for reducing the power failure range of the three-phase circuit breaking device, the first round of calculation and distribution is carried out according to the average real-time current load value of the directly connected subordinate branch three-phase circuit breaking device in a big-to-small sequence according to the computer filing preset indirect pulling name, the subordinate branch three-phase circuit breaking device is indirectly connected, the calculation and distribution result of the previous round is subjected to the calculation and distribution of the indirect pulling name of the new round of subordinate distributed three-phase circuit breaking device, and the subordinate distributed three-phase circuit breaking device indirect pulling name calculation formula is as follows:
the three-phase circuit breaking device monitored by the computer device and the indirect switching-off denomination calculation formula distributed by the total three-phase circuit breaking device monitored by the centralized device are as follows:
the name of indirect switching off is (the number of indirect switching off preset by the alarm three-phase circuit breaking device by the alarm phase computer, the name of indirect switching off (the first is 0) of the calculated result) X is distributed to the three-phase circuit breaking device, the average real-time current load value of the alarm phase is divided by the sum of the average real-time current load values of all the three-phase circuit breaking devices by the alarm phase
According to the calculation, five conditions can occur as a result: if the calculated result is a decimal number, the rounded number is counted, if the calculated residual number of the switching-off is less than 1, the integer is counted, if the calculated residual number of the switching-off is more than 1, the rounded number is counted, if the calculated residual number of the switching-off is equal to 1, the calculated residual number of the switching-off can be directly distributed to the three-phase circuit breaking device with the next current magnitude sequence, and if the residual number of the three-phase circuit breaking device to be distributed is 1, the residual number of the switching-off is totally returned to the three-phase circuit breaking device.
Three-phase circuit breaking device functional configuration: the three-phase circuit breaking device comprises a special device name (KA)/electric leakage (MA)/short circuit (A)/fusing (A)/load (A), wherein the special device name (KA) is a power station or a transformer substation or a transformer, the electric leakage (MA)/short circuit (A)/fusing (A)/load (A) indicates that the three-phase circuit breaking device has more than one automatic power-off and manual power-on and power-off functions, a computer gear-building function configuration column corresponds to 0/0/0/0/0 respectively, a digitizer is added to be turned on, otherwise, the load value is consistent with a design threshold;
in operation, 3 nodes per three-phase circuit interrupting device can collectively identify at least 64 alarms, with an average of 21 per node:
the 18 types of 46 alarms caused by the fact that the three-phase circuit breaking device is directly or indirectly connected with the uploading information of the lower-level branch single-phase electric meter device comprise current load early warning AL/BL/CL which respectively correspond to the alarm counting field 0/0/0, and alarms that one phase or two phases or three phases exceed a preset early warning threshold can occur; the current load indirect switching-off AL/BL/CL respectively corresponds to an alarm counting column 0/0/0, an alarm that one phase or two phases or three phases exceed a preset switching-off threshold can occur, and when the number corresponding to the counting column is more than 0, the alarm number is obtained; three-phase unbalance early warning can occur, and the warning exceeding a preset early warning threshold can occur; the three-phase unbalanced indirect switching off can generate an alarm exceeding a preset switching off threshold; the early warning of over-under voltage can generate the warning that one phase or two phases or three phases exceed a preset early warning threshold; when the over-under voltage trips, an alarm that one phase or two phases or three phases exceed a designed switching threshold can occur; when the terminal is in leakage tripping, an alarm that one phase or two phases or three phases exceed a preset switching threshold can occur; when the terminal is in short circuit trip, alarm that one phase or two phases or three phases exceed a preset switching threshold can occur; the terminal manually pulls the brake, and the alarm of one-phase, two-phase or three-phase manual brake pulling can occur; the main power supply of the terminal is an alarm for automatically converting the auxiliary power to the main power; the terminal supplies power by auxiliary electricity, and the alarm is used for automatically switching the main electricity to the auxiliary electricity; the terminal lightning protection malfunction tripping operation can generate the alarm of one-phase or two-phase or three-phase brake-off; the money early warning can be carried out, and the alarm that one phase or two phases or three phases exceed a preset early warning threshold can be generated; the arrearage limit is pulled out, and an alarm that one phase or two phases or three phases exceed a preset pulling threshold can occur; the terminal fire-fighting brake-off can give an alarm in one-phase or two-phase or three-phase fire-fighting brake-off state; the terminal property switching-off can give an alarm of one-phase, two-phase or three-phase property switching-off; the number limit early warning can be realized, and the alarm that one phase or two phases or three phases exceed a preset early warning threshold can be realized; the limited number indirect switching-off can give an alarm that one phase or two phases or three phases exceed a preset switching-off threshold;
the 7 types of 16 alarms caused by the outage of the direct or indirect connection subordinate branch single-phase electric meter device corresponding to the function configuration of the three-phase circuit breaking device comprise short-circuit tripping and three-phase circuit breaking device short-circuit tripping alarm caused by short circuit; the three-phase circuit breaker is triggered by the leakage short circuit and is used for alarming; fusing, wherein a fusing disconnection alarm of one phase or two phases or three phases can occur when the fusing threshold is exceeded due to fusing; short circuit fusing, wherein one-phase or two-phase fusing disconnection alarm can occur when the short circuit fusing exceeds a designed fusing threshold; short circuit fusing, namely alarming the short circuit trip of the three-phase circuit breaking device caused by the short circuit fusing; the leakage short circuit fusing, which causes that one-phase or two-phase fusing open circuit alarm can occur when the leakage short circuit fusing exceeds the designed fusing threshold; fusing of leakage short circuit, and alarming of leakage short circuit tripping of the three-phase circuit breaker caused by fusing of leakage short circuit; the manual brake-pulling is used for manually presetting one-phase or two-phase or three-phase manual circuit-breaking alarm of the three-phase circuit-breaking device; the circuit breaking can be caused by one-phase or two-phase circuit breaking alarm;
2 types of alarms of 2 types, which are caused by the power failure of a direct or indirect connection subordinate branch single-phase electric meter device corresponding to other configurations of the three-phase circuit breaking device, comprise a conversion main power supply, namely a conversion alarm caused by manual presetting of auxiliary power to main power; the auxiliary power supply is switched, and the main power supply is switched to the auxiliary power supply by manual presetting to give an alarm;
when the upper and lower multi-stage three-phase circuit breaking devices are directly or indirectly connected with a lower branch single-phase electric meter device corresponding to alarm and alarm at the same time, the monitoring devices corresponding to the upper three-phase circuit breaking devices alarm according to the principle that the alarm is not reported, and the alarm sources are all single-phase electric meter devices at the moment but are represented by the corresponding three-phase circuit breaking devices;
when a plurality of three-phase circuit breaking devices at the upper level and the lower level are subjected to switching-off overrun by an alarm phase current load or three-phase unbalance switching-off overrun and need load shedding, the monitoring devices corresponding to the three-phase circuit breaking devices at the lower level are used for carrying out priority processing according to a principle of first-down and last-up, and an alarm source at the moment is a centralized device or each step computer device;
the monitoring system device further comprises:
the single-phase electric meter device mainly comprises a single chip microcomputer unit containing a software program, a data storage unit, a current load metering unit, a current on-off identification unit, an over-under voltage identification unit, an upper computer communication unit, a lower computer communication unit, an electric leakage identification unit, a short circuit identification unit, an electric leakage self-checking identification unit, a main electric meter metering and charging unit, a sub-electric meter metering and charging unit, a relay driving unit, a relay unit, a built-in or external display unit, a built-in or external power supply unit, a built-in or external IC card reading and writing card unit and the like, wherein the upper computer communication unit is in communication connection with the upper computer centralized monitoring device;
during operation, the single chip microcomputer unit automatically identifies current load early warning and switching-off overrun alarm according to preset parameters of computer file building, automatically identifies current on-off and over-under-voltage, can actively switch on and off and can passively execute switching on and off, and can upload current real-time current load values, metering data and charging data when an upper computer patrols and examines;
in operation, the single-phase electric meter device can identify at least 21 alarms:
current break alarm, over-under-voltage early warning/over-under-voltage gate-off alarm, leakage trip alarm, short circuit trip alarm, current load early warning/current load gate-off alarm, leakage self-check failure alarm, lower computer communication failure alarm, metering failure early warning/metering failure gate-off alarm, switch failure alarm, lightning protection failure alarm/lightning protection failure gate-off alarm, manual button gate-off alarm, metering abnormality alarm, main electric amount early warning/main electric arrearage limit gate-off alarm, auxiliary electric amount early warning/auxiliary electric arrearage limit gate-off alarm, main electric power supply switching alarm, auxiliary electric power supply switching alarm, and IC electrician/user gate-off;
in operation, the single-phase electric meter device corresponds to at least 8 types of 72 algorithms with 4 time intervals, 4 steps and common rates:
real-time main electric meter number, real-time main electric amount, real-time main electric shared meter number, real-time main electric shared amount, real-time auxiliary electric meter number, real-time auxiliary electric amount, real-time auxiliary electric shared meter number and real-time auxiliary electric shared amount;
in operation, the single-phase electric meter device corresponds to a real-time current load value calculation formula with 1 algorithm as follows:
real-time current load value-current load monitoring defines the number of pulses received in a period of time X1000 watts X60 minutes/pulse constant/voltage (V)
The centralized device mainly comprises a monitoring management software program unit, a data storage unit, an upper computer communication unit, a lower computer communication unit, a display unit, a power supply, an IC card reading and writing card unit and the like, wherein the monitoring management software program at least establishes communication with 3 single-phase electric meter devices and at least indirectly monitors more than 1 three-phase circuit breaking device;
when a certain phase of the total three-phase circuit breaking device monitored by the centralized device receives the assigned pull-out nominal value issued by the computer device or the load shedding pull-out required by a certain phase of the self-monitored three-phase circuit breaking device, the centralized device directly allocates the real-time current load values directly or indirectly connected with the plurality of single-phase electric meter devices to the pull-out nominal value from big to small, and the single-phase electric meter devices allocated with the pull-out nominal values execute the power failure;
the computer device mainly comprises a computer, a monitoring service management software program corresponding to the ladder, a display device, an audible and visual alarm device and the like;
before operation, in order to ensure effective monitoring, a manager files information of a single-phase electric meter device such as the number, a superior centralized device number, a user name, a phase line type, a current pulse constant, voltage, a current monitoring self-defined cycle time, a current load (A)/an excessive under-voltage (V) preset early warning threshold, a current load preset switching-off threshold, a current load (A)/an excessive under-voltage (V) design switching-off threshold, a current load switching-off/excessive under-voltage switching-off release self-defined delay time, a superior three-phase circuit breaking device number, a preset threshold adjustment type, an installation address code and the like through a 1-step computer device to form a computer monitoring page corresponding to a single-phase electric meter device alarm information recording list and the like, and sets the information of the file under the condition of communication connection of the single-phase electric meter device, making it document content and hardware checking;
before operation, a manager carries out computer filing on data such as a start-stop number of a connection concentration device, the number of monitored three-phase circuit breaking devices, an installation address code and the like through a step-1 computer device, and carries out information setting under the condition of mutual communication connection with the concentration device, so that the filing content of the computer and hardware are matched and placed in a seat;
before the operation, the computer device with the upper ladder is provided, and managers need to carry out computer filing on data such as the starting and stopping number of the computer device with the lower ladder, the number of the three-phase circuit breaking devices to be monitored, the installation address code and the like through the computer device with the upper ladder, and carry out information setting under the condition of mutual communication connection among all the computer devices with the ladder, so that the filing content of the computer and the hardware are checked into the seat, and meanwhile, the computer filing content of the computer device with the lower ladder is examined;
before operation, a manager combines the functions, monitoring capabilities and connection relations of all monitoring devices through all ladder computer devices according to an 'electrical design schematic diagram', and performs configuration on a three-phase circuit breaking device number, a superior three-phase circuit breaking device number, a monitoring device name, a monitoring device number, a three-phase current load/unbalance design switching-off threshold, a three-phase current load/unbalance preset early warning threshold, a user-defined line loss rate and functions: the method comprises the steps of establishing files of special equipment name (KA)/leakage (MA)/short circuit (A)/fusing (A)/load (A) power-off threshold, user-defined overload switching-off rate, the number of single-phase electric meter devices directly or indirectly connected with each phase of three phases/preset indirect switching-off number, installation address codes, preset threshold adjusting types, action types, switching-off types and the like, forming verification tables and graphs corresponding to 'an electrical design schematic diagram', computer monitoring pages corresponding to single-phase electric meter device file establishing setting alarm and alarm information and the like, and computer monitoring pages of three-phase circuit breaker device file establishing alarm and alarm information and the like, automatically and manually adjusting and changing preset information parameters on line when necessary, having design threshold requirements, and adjusting and changing file establishing setting contents in a design threshold range.
2. The single-phase electric meter device mainly comprises a single chip microcomputer unit containing a software program, a data storage unit, a current load metering unit, a current on-off identification unit, an over-under voltage identification unit, an upper computer communication unit, a lower computer communication unit, an electric leakage identification unit, a short circuit identification unit, an electric leakage self-checking identification unit, a main electric meter metering and charging unit, an auxiliary electric meter metering and charging unit, a relay driving unit, a relay unit, a built-in or external display unit, a built-in or external power supply unit, a built-in or external IC card reading and writing card unit and the like, wherein the upper computer communication unit is in communication connection with the upper computer centralized monitoring device;
during operation, the single chip microcomputer unit automatically identifies current load early warning and switching-off overrun alarm according to preset parameters of computer file building, automatically identifies current on-off and over-under-voltage, can actively switch on and off and can passively execute switching on and off, and can upload current real-time current load values, metering data and charging data when an upper computer patrols and examines;
in operation, the single-phase electric meter device can identify at least 21 alarms:
current break alarm, over-under-voltage early warning/over-under-voltage gate-off alarm, leakage trip alarm, short circuit trip alarm, current load early warning/current load gate-off alarm, leakage self-check failure alarm, lower computer communication failure alarm, metering failure early warning/metering failure gate-off alarm, switch failure alarm, lightning protection failure alarm/lightning protection failure gate-off alarm, manual button gate-off alarm, metering abnormality alarm, main electric amount early warning/main electric arrearage limit gate-off alarm, auxiliary electric amount early warning/auxiliary electric arrearage limit gate-off alarm, main electric power supply switching alarm, auxiliary electric power supply switching alarm, and IC electrician/user gate-off;
in operation, the single-phase electric meter device corresponds to at least 8 types of 72 algorithms with 4 time intervals, 4 steps and common rates:
real-time main electric meter number, real-time main electric amount, real-time main electric shared meter number, real-time main electric shared amount, real-time auxiliary electric meter number, real-time auxiliary electric amount, real-time auxiliary electric shared meter number and real-time auxiliary electric shared amount;
in operation, the single-phase electric meter device corresponds to a real-time current load value calculation formula with 1 algorithm as follows:
real-time current load value-current load monitoring defines the number of pulses received in a cycle time X1000 watts X60 minutes/pulse constant/voltage (V).
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