CN112398225A - Remote signaling monitoring method for secondary equipment of transformer substation - Google Patents
Remote signaling monitoring method for secondary equipment of transformer substation Download PDFInfo
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- CN112398225A CN112398225A CN202011260763.1A CN202011260763A CN112398225A CN 112398225 A CN112398225 A CN 112398225A CN 202011260763 A CN202011260763 A CN 202011260763A CN 112398225 A CN112398225 A CN 112398225A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00034—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving an electric power substation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/18—Systems supporting electrical power generation, transmission or distribution using switches, relays or circuit breakers, e.g. intelligent electronic devices [IED]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention relates to a remote signaling monitoring method for secondary equipment of a transformer substation, and belongs to the technical field of power management data processing methods. The method comprises the steps that logical analysis is carried out on an SCD file of a total station system configuration file of an existing transformer substation, physical names of secondary equipment and monitoring project information of primary equipment to be monitored are found out layer by layer in the SCD file, and a monitoring project information base is constructed; when the operation order of the primary equipment of the specific transformer substation is faced, aiming at some operation step names which are contained in the operation order of the primary equipment and need secondary equipment monitoring, monitoring item information corresponding to the primary equipment is found out from a monitoring item information base one by one to obtain an accurate monitoring operation task of the secondary equipment, the monitoring operation task of the secondary equipment is executed, and the fed-back monitoring signals are filtered and matched to obtain the result of completion of the monitoring operation task.
Description
Technical Field
The invention relates to a method for monitoring primary equipment by secondary equipment of a transformer substation, in particular to a method for monitoring primary equipment by remote signaling of secondary equipment of the transformer substation, and belongs to the technical field of power management data processing methods.
Background
Substations often perform electrical operations on various electrical devices, and these operations need to be authorized and broken down into individual operation items for safety and prevention of misoperations. Therefore, the application of operation tickets to perform various operation tasks has long been proposed and standardized for the electrical operation of substations. The existing operation tickets are issued for primary equipment, although the operation step names of the operation tickets sometimes relate to part of information contents of monitoring items of the secondary equipment, most of the operation steps cannot accurately reflect complete monitoring item information of the primary equipment monitored by the secondary equipment, so that uncertain errors such as mistaken input and output, missed input and output, disordered operation sequences and the like occur, and further faults of a power system are caused. The following table 1 shows part of the contents of a typical substation primary equipment operation ticket:
TABLE 1
Correspondence table 1 the operation step names related to secondary equipment monitoring and the secondary equipment monitoring signals actually monitored are shown in table 2:
TABLE 2
| Operation step names related to secondary equipment monitoring in table 1 | Secondary device monitoring signal for actual monitoring | |
| 4 | Checking 100 circuit breaker position in minutes | 100 circuit breaker position in the off position |
| 6 | Checking 100-2 isolator position in minutes | II, the position of the female cutter is in the sub position |
| 8 | Checking 100-1 isolator position in minutes | The position of the I-shaped female cutter is in the sub-position |
It can be seen that the operation step name monitored by the serial number 4 in table 1 is to check that the 100 breaker position is in the center, and the actually received secondary equipment monitoring signal is also to monitor the 100 breaker position. However, the operation step name monitored by the serial number 6 in the table 1 is that the position of the 100-2 isolating switch is checked to be in a minute state, the actually received secondary equipment monitoring signal is used for monitoring the position of the II female isolating knife, and the two are not in accordance; meanwhile, the operation step name monitored by the serial number 8 is to check that the position of the 100-1 isolating switch is in a minute state, and the actually received secondary equipment monitoring signal is to monitor the position of the I-shaped female isolating knife, and the two are not in accordance with each other. This situation can result in the inability to accurately monitor the operation of the primary equipment (pull-off 100-2 and pull-off 100-1 disconnectors) because of the lack of accurate secondary equipment monitoring operation tasks. Moreover, the result of the monitoring operation of the existing substation secondary equipment on the primary equipment is basically to judge the monitoring process by artificially checking a feedback signal, and the monitoring completion condition is lack of automation and more accurate knowledge.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: when the operation ticket of the primary equipment of the transformer substation is faced, the monitoring operation task of the secondary equipment can be accurately generated and accurate monitoring can be automatically carried out.
The technical scheme provided by the invention for solving the technical problems is as follows: a remote signaling monitoring method for secondary equipment of a transformer substation executes the following steps:
1) reading a total station system configuration SCD file of the transformer substation, and finding physical names of all secondary devices of the transformer substation according to all IED nodes in the SCD file;
2) traversing all logic devices under a station control layer access point under each IED node of the SCD file, and finding all function constraint data attributes belonging to remote signaling in a data set of a management logic node under each logic device, wherein each function constraint data attribute corresponds to a data object type under one logic node, and each data object type comprises a physical name of secondary equipment, a name of primary equipment needing to be monitored and monitoring project information;
3) constructing a monitoring project information base of the secondary equipment for monitoring the primary equipment by using the physical name of the secondary equipment, the name of the primary equipment needing to be monitored and the monitoring project information extracted from the data object type;
4) reading a primary equipment operation ticket sent by the transformer substation, and selecting an operation step name which is related to the primary equipment operation ticket and needs to be monitored by secondary equipment;
5) analyzing the operation step names selected in the step 4), and finding out the names of the corresponding primary equipment, the physical names of the secondary equipment and monitoring project information from the monitoring information base one by one according to the primary equipment related to the operation step;
6) synthesizing the physical name of the secondary equipment, the name of the primary equipment and the monitoring project information found in the step 5) as a monitoring operation task for monitoring the primary equipment by the secondary equipment and storing the monitoring operation task item by item;
7) executing the monitoring operation tasks one by one, recording the execution date and time, and collecting each fed-back monitoring signal; filtering out signals which do not belong to remote signaling in each monitoring signal to obtain remote signaling monitoring signals, and matching and checking a reference path and a state value in each remote signaling monitoring signal with a reference path of the monitoring project information and an expected state value in the monitoring operation task respectively; if the remote signaling monitoring signal can be matched and corrected accurately within the appointed time, recording that one monitoring operation task corresponding to one remote signaling monitoring signal is successfully executed, otherwise, recording that the monitoring operation task is failed to be executed; when each monitoring operation task is successfully executed, recording the success of the primary equipment monitoring through remote signaling of the secondary equipment; otherwise, recording the failure of the primary equipment in remote signaling monitoring of the secondary equipment.
8) Displaying the record of the step 7).
The invention has the beneficial effects that: the method comprises the steps that through logical analysis of an SCD (system configuration description) file of a system file of an existing transformer substation, the physical name of secondary equipment, primary equipment to be monitored and monitoring project information in the SCD file are found layer by layer and collected to form a monitoring project information base; when a specific operation ticket of the primary equipment of the transformer substation is faced, the corresponding physical names of the primary equipment and the secondary equipment and monitoring project information can be found out one by one from the monitoring project information base according to the operation step names which are related to the operation ticket of the primary equipment and need to be monitored by the secondary equipment, so that more accurate monitoring operation tasks of the secondary equipment (namely the primary equipment and the corresponding monitoring project information which need to be monitored by the secondary equipment) can be obtained; when the generated monitoring operation tasks are executed one by one, the monitoring operation tasks are filtered and matched and checked through the fed-back monitoring signals, so that the execution condition of each monitoring operation task is judged, and the monitoring of the whole secondary equipment on the primary equipment is finally completed. Compared with the prior art, the method of the invention 1) can accurately generate the monitoring operation task of the primary equipment for monitoring the secondary equipment by remote signaling according to the operation ticket of the primary equipment sent by the existing transformer substation, thereby providing a powerful basis for the primary equipment for monitoring the secondary equipment by remote signaling; 2) when the accurate monitoring operation task is executed according to the generated accurate monitoring operation task, the feedback of the monitoring process forming the monitoring signal and the filtering and matching calibration of the feedback monitoring signal are carried out, so that the execution condition of the monitoring operation task can be accurately judged.
Further, the rule of the matching collation is as follows:
A. in the appointed time, if the reference path and the state value of the remote signaling monitoring signal are consistent with each other, recording that one monitoring operation task corresponding to the remote signaling monitoring signal is successfully executed;
B. recording the execution failure of the monitoring operation task if the reference paths of the monitoring operation task and the monitoring operation task do not accord with each other within a specified time; C. and recording the execution failure of the monitoring operation task if the reference paths of the two are consistent and the state values of the two are not consistent within a specified time.
Further, the monitoring item information includes monitoring information and a reference path of the monitoring information.
Further, the specified time is 20-30 seconds.
Drawings
The method for monitoring the secondary equipment of the transformer substation by remote signaling is further described below with reference to the accompanying drawings.
Fig. 1 is a screenshot reflecting the contents of steps 1) -3) in the embodiment in the substation SCD file.
Detailed Description
Examples
The remote signaling monitoring method for the secondary equipment of the transformer substation takes a certain transformer substation as an example, and executes the following steps:
1) reading an SCD file of the transformer substation, and obtaining physical names of all secondary devices of the transformer substation according to all IED nodes in the SCD file; in this embodiment, a certain IED node in the SCD file is shown in fig. 1, and a physical name of a secondary device corresponding to the node is a 110kV sectional measurement and control device;
2) traversing all logic devices under a station control layer access point under each IED node of the SCD file, and finding all function constraint data attributes belonging to remote signaling in a data set of a management logic node under each logic device, wherein each function constraint data attribute corresponds to a data object type under one logic node, and each data object type comprises a physical name of secondary equipment, a name of primary equipment needing to be monitored and monitoring project information;
taking the physical name of the secondary device, namely, the 110kV section measurement and control device as an example, as shown in fig. 1, four logic devices, namely, a public device (LD0), a measurement device (MEAS), a remote control device (CTRL), and a metering device (METR), are included in a station control layer access point (S1) under a 110kV section measurement and control device node; among the data sets (DataSet) of the management logical node (LN0) under one of the telecommand remote control logical devices (CTRL), four Function Constraint Data Attributes (FCDA) belonging to telecommand are found, wherein:
the first Function Constraint Data Attribute (FCDA) corresponds to a circuit breaker position data object type under a circuit breaker 1 logical node, and the data object type comprises a physical name of secondary equipment (namely a 110kV section measurement and control device), a name of primary equipment needing to be monitored (namely a circuit breaker 1) and monitoring item information (namely a circuit breaker 1 position monitoring signal);
the second Function Constraint Data Attribute (FCDA) corresponds to the type of the data object of the position of the switch 1 under the logical node of the switch 1, and the type of the data object comprises the physical name of a secondary device (namely, a 110kV section measurement and control device), the name of a primary device to be monitored (namely, the switch 1) and monitoring item information (namely, a monitoring signal for checking the position of the switch 1);
the third Function Constraint Data Attribute (FCDA) corresponds to the type of the data object at the location of the earthing switch 1 under the logical node of the earthing switch 1, and the type of the data object includes the physical name of a secondary device (namely, a 110kV segmented measurement and control device), the name of a primary device to be monitored (namely, the earthing switch 1) and monitoring item information (namely, a monitoring signal for viewing the location of the earthing switch 1);
the fourth Function Constraint Data Attribute (FCDA) corresponds to the health state data object type of the earthing switch 1 under the logical node of the earthing switch 1, and the data object type includes a physical name of a secondary device (namely, a 110kV section measurement and control device), a name of a primary device to be monitored (namely, the earthing switch 1) and monitoring item information (namely, the health state of the earthing switch 1 is checked);
3) the physical name (110kV section measurement and control device) of the secondary equipment, the name (breaker 1, disconnecting link 1 and grounding switch 1) of the primary equipment to be monitored and monitoring item information extracted from the data object type form a monitoring item information base of the primary equipment monitored by the secondary equipment, wherein the monitoring item information comprises the monitoring information and a reference path thereof; a portion of the monitoring item information base is shown in table 3 below:
TABLE 3
In the above steps, an IED node in the SCD file and layer-by-layer analysis thereof are exemplified to obtain the physical names and monitoring item information of the primary devices (the breaker 1, the disconnecting link 1, and the grounding switch 1) to be monitored, the secondary devices, as shown in fig. 1. Analyzing other IED nodes in the SCD file layer by layer to obtain the physical name of the secondary equipment, the name of the primary equipment needing to be monitored and monitoring project information similar to the IED nodes; in this way, the physical names of the secondary devices of all IED nodes, the names of the primary devices to be monitored, and the monitoring item information in the SCD file can be obtained, so as to form a monitoring item information base of all the primary devices for monitoring the secondary devices of the substation.
4) Reading a primary equipment operation ticket sent by a transformer substation, and selecting the operation step name of primary equipment needing secondary equipment monitoring, which is related in the primary equipment operation ticket;
the primary equipment operation ticket of a certain time sent by the substation of the present embodiment is shown in table 4 below
TABLE 4
5) The names of the operation steps required for the secondary equipment monitoring referred to in the above table 4 are shown in the following table 5,
TABLE 5
According to the names of the primary devices (the circuit breaker 1 and the disconnecting link 1) related to the names of the two operation steps in the table 5, the names of the corresponding primary devices (the circuit breaker 1 and the disconnecting link 1), the physical name of the secondary device (in the embodiment, the physical name of one secondary device, namely the 110kV section measurement and control device), and monitoring item information are found out one by one from the monitoring item information base constructed in the step 3);
6) synthesizing the physical name of the secondary equipment, the name of the primary equipment and the monitoring item information found in the step 5) to form a monitoring operation task (shown in table 6) of monitoring the primary equipment (the circuit breaker 1 and the disconnecting link 1 can express the name of the primary equipment and can also express the secondary equipment) by the secondary equipment (the 110kV section measurement and control device can express the physical name of the secondary equipment and can also express the secondary equipment). The 3 monitoring operation tasks reflected in table 6 are for one primary device operation ticket at a time exemplified in the above embodiment.
TABLE 6
7) The above-mentioned 3 monitoring operation tasks are executed one by one, the date and time of execution of each monitoring operation task are recorded, and each monitoring signal fed back after execution of each monitoring operation task is collected (as shown in table 7 below):
TABLE 7
Filtering the monitoring signals which do not belong to the remote signaling in each monitoring signal (namely, only the monitoring signals which belong to the remote signaling are left) to obtain remote signaling monitoring signals, and matching and checking the reference path and the state value in each screened remote signaling monitoring signal with the reference path (shown in table 3) in the monitoring project information in the step 3) and the expected state value (shown in table 6) in the monitoring operation task in the step 6) respectively; if the remote signaling monitoring signals can be accurately matched within the appointed time, recording that a monitoring operation task corresponding to one remote signaling monitoring signal is successfully executed, otherwise, recording that the monitoring operation task is failed to be executed; when the 3 monitoring operation tasks are successfully executed, recording the success of remote signaling monitoring of the primary equipment (the circuit breaker 1 and the disconnecting link 1) by the secondary equipment (the 110kV subsection measurement and control device); otherwise, recording the failure of remote signaling monitoring of the primary equipment (the circuit breaker 1 and the disconnecting link 1) of the secondary equipment (the 110kV section measurement and control device).
The matching and checking rules are as follows:
A. in the appointed time, if the reference path and the state value of the remote signaling monitoring signal are consistent with each other, recording that one monitoring operation task corresponding to the remote signaling monitoring signal is successfully executed;
B. recording the execution failure of the monitoring operation task if the reference paths of the monitoring operation task and the monitoring operation task do not accord with each other within a specified time;
C. and recording the execution failure of the monitoring operation task if the reference paths of the two are consistent and the state values of the two are not consistent within a specified time.
Description of the drawings: because the report control block under the management logic point of the logic device under each IED in the substation SCD file configures a data reporting mode of a related monitoring type, such as whether automatic periodic reporting is performed or not, and different types of monitoring signals (telecommand and telemetering) reported by various IEDs are often received at variable times by manual operation of electrical devices at different time points, a telecommand monitoring signal corresponding to the current monitoring operation task needs to be screened out and then matched and corrected.
The specific process of filtering and matching the 3 monitor signals received in table 7 is as follows:
first, all the 3 received monitoring signals belong to the telecommand monitoring signals, so that the filtered monitoring signals are 3 telecommand monitoring signals.
Secondly, the 3 remote signaling monitoring signals are respectively matched and collated as follows:
resolving reference paths and state values of 3 monitoring signals, wherein for the 1 ST monitoring signal 'breaker 1 is in a dibit', the reference paths are CE1101/CTRL/CBSynCSWI1$ ST $ Pos after resolving, and the state values are OFF; the reference path of the 2 nd monitoring signal "knife 1 is actually ON" is CE1101/CTRL/QGD1CSWI1$ ST $ Pos, and the status value is ON; the 3 rd monitoring signal "knife 1 Health" is referenced by CE1101/CTRL/QGD1CSWI1$ ST $ Health, and the status value is TRUE. The reference paths and the state values after the analysis of the 3 monitoring signals are respectively matched and checked with the reference paths (shown in table 3) in the monitoring item information and the expected state values (shown in table 6) in the monitoring operation tasks, and as a result, the 3 monitoring signals are all successfully matched, so that the execution of the 3 monitoring operation tasks (shown in table 6) corresponding to the 3 monitoring signals is successful, and the secondary equipment (110kV section measurement and control) monitors the successful execution of the monitoring operation tasks of the primary equipment (the circuit breaker 1 and the disconnecting link 1).
The invention is not limited to the above-described preferred embodiments, but is intended to cover all modifications, equivalents and alternatives falling within the spirit and scope of the invention.
Claims (4)
1. A remote signaling monitoring method for secondary equipment of a transformer substation is characterized by comprising the following steps:
1) reading a total station system configuration SCD file of the transformer substation, and finding physical names of all secondary devices of the transformer substation according to all IED nodes in the SCD file;
2) traversing all logic devices under a station control layer access point under each IED node of the SCD file, and finding all function constraint data attributes belonging to remote signaling in a data set of a management logic node under each logic device, wherein each function constraint data attribute corresponds to a data object type under one logic node, and each data object type comprises a physical name of secondary equipment, a name of primary equipment needing to be monitored and monitoring project information;
3) constructing a monitoring project information base of the secondary equipment for monitoring the primary equipment by using the physical name of the secondary equipment, the name of the primary equipment needing to be monitored and the monitoring project information extracted from the data object type;
4) reading a primary equipment operation ticket sent by the transformer substation, and selecting an operation step name which is related to the primary equipment operation ticket and needs to be monitored by secondary equipment;
5) analyzing the operation step names selected in the step 4), and finding out the names of the corresponding primary equipment, the physical names of the secondary equipment and monitoring project information from the monitoring information base one by one according to the primary equipment related to the operation step;
6) synthesizing the physical name of the secondary equipment, the name of the primary equipment and the monitoring project information found in the step 5) as a monitoring operation task for monitoring the primary equipment by the secondary equipment and storing the monitoring operation task item by item;
7) executing the monitoring operation tasks one by one, recording the execution date and time, and collecting each fed-back monitoring signal;
filtering out signals which do not belong to remote signaling in each monitoring signal to obtain remote signaling monitoring signals, and matching and checking a reference path and a state value in each remote signaling monitoring signal with a reference path of the monitoring project information and an expected state value in the monitoring operation task respectively; if the remote signaling monitoring signal can be matched and corrected accurately within the appointed time, recording that one monitoring operation task corresponding to one remote signaling monitoring signal is successfully executed, otherwise, recording that the monitoring operation task is failed to be executed; when each monitoring operation task is successfully executed, recording the success of the primary equipment monitoring through remote signaling of the secondary equipment; otherwise, recording the failure of the primary equipment in remote signaling monitoring of the secondary equipment;
8) displaying the record of the step 7).
2. The telemetry monitoring method of substation secondary equipment of claim 1, characterized in that: the matching and checking rules are as follows:
A. in the appointed time, if the reference path and the state value of the remote signaling monitoring signal are consistent with each other, recording that one monitoring operation task corresponding to the remote signaling monitoring signal is successfully executed;
B. recording the execution failure of the monitoring operation task if the reference paths of the monitoring operation task and the monitoring operation task do not accord with each other within a specified time;
C. and recording the execution failure of the monitoring operation task if the reference paths of the two are consistent and the state values of the two are not consistent within a specified time.
3. The method for generating the secondary equipment telecommand monitoring operation task of the substation according to claim 1, wherein: the monitoring item information includes monitoring information and a reference path of the monitoring information.
4. The substation secondary equipment telecommand monitoring method of claim 1, wherein: the specified time is 20-30 seconds.
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