CN103269123B - Power distribution network line operation monitoring system - Google Patents
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Abstract
The invention discloses a power distribution network line operation monitoring system which comprises a plurality of line devices, a demand control device and a client master station, wherein the line devices are connected to a grid power transmission line, the demand control device is in communication connection with the line devices, and the client master station is in communication connection with the demand control device. The demand control device comprises a line controller, a processor, a transceiver I and a memorizer. The client master station comprises a client interface, a transceiver II and DSP equipment integrated with the transceiver II and the client interface. The power distribution network line operation monitoring system can reduce monitoring strength, improves the early warning effects, optimizes monitoring information, and well ensures safe and stable operation of a power grid.
Description
Technical field
The present invention relates to a kind of new distribution netting twine road operation monitoring system.
Background technology
Though existing grid operating monitoring system can realize monitoring the conventional operation of electrical network, but the supervision means lacked for a large amount of distribution network line, cause monitoring the situations such as intensity is large, early warning weak effect, information are not comprehensive, this gives the safety of electrical network, stable operation brings unfavorable factor, and existing problems are mainly manifested in:
1, personnel are regulated and controled by monitoring that the means such as data acquisition analysis system (SCADA)/electric energy management system (EMS) Real-time Alarm window and the tour of timing picture reach the running status monitoring grid equipment and distribution network line, but in view of number of, lines is huge, parameter is different, make the workload of supervision very large, very difficult discovery runs on the circuit at index edge, and effect is very undesirable.
2, the circuit operation conditions that regulation and control personnel need monitor has different demands in different periods, whether line current transfinites volume as what need pay close attention at winter or summer, the realtime power of circuit need be paid close attention to when implementing ordered electric, also need in addition to understand each line power factor instantaneous value at some time, this kind of demand can only make a large amount of formula and monitoring image at present in SCADA/EMS system, has rolled up system resource overhead.
3, for the supervision demand of regulation and control personnel, must manually set formula by automation operation maintenance personnel and make picture, but most of demand may be provisional, later these pictures and computing formula just do not re-use, the response speed of main website O&M has certain time delay in addition, cannot ensure the monitoring image that the very first time can provide accurately complete when power grid emergency management process.
Summary of the invention
First embodiment of the invention is intended to solve aforementioned drawback, provides a kind of distribution network line operation monitoring system, can reduce and monitor intensity, raising early warning effect, optimization monitor message, better ensure power grid security, stable operation.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of distribution network line operation monitoring system, comprise the multiple line facilities be connected on grid power transmission circuit, the demand control equipment be connected with described line facility communication, and the client main website to be connected with described demand control device talk, its Curve guide impeller is that described demand control equipment includes: line controller, for generation of with transmission demand control signal; Processor, connects described line controller and to go forward side by side row relax for obtaining line parameter circuit value information; Transceiver I, connects described processor and is connected for the communication of demand control equipment with client main website; And memory, connect described processor and provide the read-write operation of data message for it.Described client main website includes: customer interface, for input and the display of client; Transceiver II, for the communication of described transceiver I by client layer; And with described transceiver II and the integrated DSP equipment of customer interface, for the process of data message.
In one embodiment, list gasifying device is provided with in described DSP equipment, be preferably a selection circuit, by the circuit measuring point information preset value set in the FLASH buffer unit in DSP equipment, limit the conducting of gate circuit (such as switch mosfet) and the cut-off of a selection circuit, thus preferentially export a facility information to the display driver of customer interface with on a kind of interface demonstrating client main website manager and customize.Such as, the integrated management system of mode that hardware (such as the mode of USB-key equipment or DISK) or software (such as Hisoon database) can be passed through to DSP equipment, to expand its function.On an interface platform, such as placed the relevant information of each circuit, comprise circuit name, affiliated electric substation, power supply station, affiliated area, circuit (P, Q, I) measuring point name, Summer and winter limit etc., wherein the field such as meritorious, idle, electric current represents the corresponding measuring point name of this circuit respectively, by VBA programming by required scheme retrieval and call each line information.
The sequencing of the passage of the ROM equipment extraction data of a DSP equipment coupling is controlled by list gasifying device, because designer notices, the mode of complete software can be used to replace hardware device to realize, but there is many problems, such as whether data can sort completely, completely whether nothing postpones and can realize synchronous, therefore needs to add list gasifying device.And can be indicated with different conditions the displaying contents on interface by the mode of software, such as color, acousto-optic etc., there is hidden danger to remind the local circuit of which electric substation of Grid manager or line facility.
The selection of monitoring wire is undertaken by simple dialog box operation, realizes any-mode combination to all cities distribution line and main transformer low-pressure side, and the Classifying Sum (always adding) that simultaneously also can carry out between many circuits monitors, meets all kinds of supervision demand.
Gather function acts on larger under special power system operating mode, such as between interconnector and transformer station the withdrawing a confession of load, turn for and accident limited load time to the supervision of power grid security nargin, the supervision etc. in special guarantor's power supply process, required limit value and situation can be set arbitrarily in Classifying Sum illustrate, allow the autonomous customization that regulation and control personnel realize monitoring image.
Scheme is monitored for fixing ordered electric, one " ordered electric scheme " can be set, wherein preserve the spatial load forecasting scheme in year, automatic root Ju scheme table and line information table can automatically generate required monitoring image when calling, the maintenance of scheme is also comparatively simple.
Supervision project can be selected as required when the customization of picture, electrical network such as when Summer and winter line load is heavier monitors and can select " by rated current ", the keyword of monitoring image is the percentage that circuit actual current reaches rated current, can select " by power factor (PF) " between low-load period, the keyword of monitoring image is the line power factor calculated according to P, Q, during circuit spatial load forecasting and ordered electric, can select " meritorious by allowing ", the keyword of monitoring image then becomes circuit Real-time Load and allows meritorious difference.
In the dialog box of static fields option, enumerate the function setting of Lookout assist, sorted by keyword, warning look, the means such as alarm window improve the effect monitored, sequence can be set as order and backward, warning look divides five ranks, by red to yellow, the eye-catching color of each rank marks, when circuit current surveillance, numeric representation in text box reaches the full quota the percentage of electric current, when power factor (PF) monitors, represent the value of power factor (PF), when circuit allows meritorious supervision, represent to exceed and allow meritorious value, can be arranged on simultaneously and reach certain alarm level ejection alarm window.
In addition, the instantaneous value Presentation Functions such as busbar voltage, main shift, main transformer temperature can also be increased relative to the supervision of main transformer electric current, be convenient to comprehensively monitor device-dependent message.
In the monitoring image generated, can see that each circuit is by the warning real-time sequence of degree and color-identifying clearly, the circuit that need pay close attention to prioritize degree is enumerated one by one, from face, monitoring personnel is freed from the information of loaded down with trivial details, magnanimity, substantially increase the efficiency of supervision, the responsible consumer under this circuit can be checked by click subscriber unit lattice, also can by realizing certain electric substation, certain region, certain power supply station's Classifying Sum the screening of information field, make monitor message more comprehensively, means are more flexible, and it is more convenient to apply.Monitoring platform also can be implemented in running background, automatically releases alarm window and warning information when needing alarm, thus does not affect the work that business personnel carries out other in monitoring process.
In one embodiment, the signal controller that described transceiver II comprises signal generator and is coupled with it, first the level signal that described signal controller is used for providing according to DSP equipment selects the type of communication, such as when the line state information of the priority ordering that previous list gasifying device realizes, need the figure or the monitoring video information that are obtained respective lines by DSP equipment, then need to send a signal to transceiver II by DSP equipment and modulate specific baud rate, such as 1900dBs, transceiver I sends multimedia messages encapsulation (such as PAK packet) based on this, encapsulation is that the client layer agreement set by the present invention is transmitted, such as add the operations such as encryption is arranged.Then because frequency higher, may select pstn telephone net or fiber optic network transmission, or other without the need to multimedia messages when, directly select RF, DSL or GPRS mode is sent.
In one embodiment, described demand control equipment comprises working power further, this working power can be provided by supply line, working power can be connected directly to processor and transceiver, also line controller can be connected to, control working power and the new transceiver of external one of described demand control equipment by line controller, the hand-held sets such as such as PDA or mobile phone can send information to client main website, and this handheld device is powered by line controller.Or working power is preferably the plug device of 12V, is directly installed on a socket, can the carrier signal on line facility be monitored equally.Or multiple line controller is set, for carrying out the transmission of signal respectively for dissimilar circuit.Or to walk abreast installing optocoupler control switch and alarm equipment with line controller, direct-on-line road control end sends information warning.
Second embodiment of the invention provides a kind of demand control method of distribution line on aforementioned base, comprises step:
1) by the requirement variable signal on demand control equipment Inspection transmission line;
2) received requirement variable signal is carried out the line facility identification code processing to obtain wherein, its control identification code with the client main website obtained by client layer is compared;
3) if meet, then by line facility from line controller to correspondence send control command to control its action, such as disconnection, step-down conveying etc.; If do not meet, then again detect the requirement variable signal on transmission line;
4) feedback signal of line facility is obtained by transceiver I;
5) start according to this feedback signal calculating and the storage that is estimated to control identification code by DSP equipment, determine whether still to continue the operation to this line facility according to the control identification code that this is estimated.
Third embodiment of the invention relates to a kind of demand control method equally, comprises step:
1) by the requirement variable signal on demand control equipment Inspection transmission line;
2) this requirement variable signal is carried out the particular needs amount changing value processing to obtain wherein, this particular needs amount changing value is associated with the default control module in processor;
3) by selecting the control module relevant to line facility in DSP equipment default control module after association, according to this control module by line controller to the line facility transmission control command of correspondence to control its action;
4) continue to detect requirement signal by the transceiver I of described demand control equipment, and calculate the requirement variable quantity of functional arrangement equipment;
5) this new requirement variable quantity and requirement variable quantity are before compared, judge that whether it is equal, if unequal, then the difference of described new requirement variable quantity and requirement variable quantity before and a default threshold value are compared;
If described difference is greater than predetermined threshold value, then this difference is associated with the module of default control described in processor, if described difference is not more than predetermined threshold value, is then back to step 4).Such as, to certain electric substation 1#, 2# main transformer electric current does and always adds, it is 1300A that setting always adds limit, do electric current to 5 10kV circuits always to add, it is 500A that setting always adds limit, and calculate always value added afterwards, account for the when situation explanation of limit percentage, simultaneously, can according to the display interface in embodiment one to the prompting in addition of each rank alarm look highlighted, this type of function controlling personnel independently can customize generation, Maintenance free personnel define specially and always add and make monitoring image in supervisory control system, temporarily, promptly, can complete fast under special operational mode, and the effect monitored is also very good,
6) judge whether this can use through the control module be associated, if available, then by selecting the control module relevant to line facility in DSP equipment default control module after association, according to this control module by line controller to the line facility transmission control command of correspondence to control its action; If unavailable, then select a new control module and operation associated before repeating, and be back to step 3).
In one embodiment, described control module is stored in a memory.
The present invention can reduce supervision intensity, improves early warning effect, optimize monitor message, better ensures power grid security, stable operation.
Accompanying drawing explanation
Fig. 1 is the structural principle block diagram of present system.
Embodiment
With reference to Fig. 1, the preferred embodiment of distribution network line operation monitoring system includes the multiple line facilities 2 be connected on grid power transmission circuit 1, the demand control equipment 3 be connected with the communication of described line facility 2, and the client main website 4 to be connected with the communication of described demand control equipment 3, its Curve guide impeller is that described demand control equipment 3 includes: line controller 31, for generation of with transmission demand control signal; Processor 32, connects described line controller and to go forward side by side row relax for obtaining line parameter circuit value information; Transceiver I33, connects described processor 32 and is connected for the communication of demand control equipment 3 with client main website 4; And memory 34, connect described processor 32 and provide the read-write operation of data message for it.Described client main website 4 specifically includes: customer interface 41, for input and the display of client; Transceiver II42, for the communication of described transceiver I33 by client layer; And with described transceiver II33 and the integrated DSP equipment 43 of customer interface 41, for the process of data message.
In one embodiment, list gasifying device is provided with in described DSP equipment 43, be preferably a selection circuit, by the circuit measuring point information preset value set in the FLASH buffer unit in DSP equipment, limit the conducting of gate circuit (such as switch mosfet) and the cut-off of a selection circuit, thus preferentially export a facility information to the display driver of customer interface with on a kind of interface demonstrating client main website manager and customize.Such as, the integrated management system of mode that hardware (such as the mode of USB-key equipment or DISK) or software (such as Hisoon database) can be passed through to DSP equipment, to expand its function.On an interface platform 41, such as placed the relevant information of each circuit, comprise circuit name, affiliated electric substation, power supply station, affiliated area, circuit (P, Q, I) measuring point name, Summer and winter limit etc., wherein the field such as meritorious, idle, electric current represents the corresponding measuring point name of this circuit respectively, by VBA programming by required scheme retrieval and call each line information.
The sequencing of the passage of the ROM equipment extraction data that a DSP equipment 43 mates is controlled by list gasifying device, because designer notices, the mode of complete software can be used to replace hardware device to realize, but there is many problems, such as whether data can sort completely, completely whether nothing postpones and can realize synchronous, therefore needs to add list gasifying device.And can be indicated with different conditions the displaying contents on interface by the mode of software, such as color, acousto-optic etc., there is hidden danger to remind the local circuit of which electric substation of Grid manager or line facility.
The selection of monitoring wire is undertaken by simple dialog box operation, realizes any-mode combination to all cities distribution line and main transformer low-pressure side, and the Classifying Sum (always adding) that simultaneously also can carry out between many circuits monitors, meets all kinds of supervision demand.
Gather function acts on larger under special power system operating mode, such as between interconnector and transformer station the withdrawing a confession of load, turn for and accident limited load time to the supervision of power grid security nargin, the supervision etc. in special guarantor's power supply process, required limit value and situation can be set arbitrarily in Classifying Sum illustrate, allow the autonomous customization that regulation and control personnel realize monitoring image.
Scheme is monitored for fixing ordered electric, one " ordered electric scheme " can be set, wherein preserve the spatial load forecasting scheme in year, automatic root Ju scheme table and line information table can automatically generate required monitoring image when calling, the maintenance of scheme is also comparatively simple.
Supervision project can be selected as required when the customization of picture, electrical network such as when Summer and winter line load is heavier monitors and can select " by rated current ", the keyword of monitoring image is the percentage that circuit actual current reaches rated current, can select " by power factor (PF) " between low-load period, the keyword of monitoring image is the line power factor calculated according to P, Q, during circuit spatial load forecasting and ordered electric, can select " meritorious by allowing ", the keyword of monitoring image then becomes circuit Real-time Load and allows meritorious difference.
In the dialog box of static fields option, enumerate the function setting of Lookout assist, sorted by keyword, warning look, the means such as alarm window improve the effect monitored, sequence can be set as order and backward, warning look divides five ranks, by red to yellow, the eye-catching color of each rank marks, when circuit current surveillance, numeric representation in text box reaches the full quota the percentage of electric current, when power factor (PF) monitors, represent the value of power factor (PF), when circuit allows meritorious supervision, represent to exceed and allow meritorious value, can be arranged on simultaneously and reach certain alarm level ejection alarm window.
In addition, the instantaneous value Presentation Functions such as busbar voltage, main shift, main transformer temperature can also be increased relative to the supervision of main transformer electric current, be convenient to comprehensively monitor device-dependent message.
In the monitoring image generated, can see that each circuit is by the warning real-time sequence of degree and color-identifying clearly, the circuit that need pay close attention to prioritize degree is enumerated one by one, from face, monitoring personnel is freed from the information of loaded down with trivial details, magnanimity, substantially increase the efficiency of supervision, the responsible consumer under this circuit can be checked by click subscriber unit lattice, also can by realizing certain electric substation, certain region, certain power supply station's Classifying Sum the screening of information field, make monitor message more comprehensively, means are more flexible, and it is more convenient to apply.Monitoring platform also can be implemented in running background, automatically releases alarm window and warning information when needing alarm, thus does not affect the work that business personnel carries out other in monitoring process.
In one embodiment, the signal controller that described transceiver II comprises signal generator and is coupled with it, first the level signal that described signal controller is used for providing according to DSP equipment 43 selects the type of communication, such as when the line state information of the priority ordering that previous list gasifying device realizes, need the figure or the monitoring video information that are obtained respective lines by DSP equipment, then need to send a signal to transceiver II by DSP equipment and modulate specific baud rate, such as 1900dBs, transceiver I sends multimedia messages encapsulation (such as PAK packet) based on this, encapsulation is that the client layer agreement set by the present invention is transmitted, such as add the operations such as encryption is arranged.Then because frequency higher, may select pstn telephone net or fiber optic network transmission, or other without the need to multimedia messages when, directly select RF, DSL or GPRS mode is sent.
In one embodiment, described demand control equipment 3 comprises working power 35 further, this working power can be provided by supply line, working power can be connected directly to processor and transceiver, also line controller 31 can be connected to, control working power and the new transceiver of external one of described demand control equipment 3 by line controller 31, the hand-held sets such as such as PDA or mobile phone can send information to client main website, and this handheld device is powered by line controller.Or working power is preferably the plug device of 12V, is directly installed on a socket, can the carrier signal on line facility be monitored equally.Or multiple line controller 31 is set, for carrying out the transmission of signal respectively for dissimilar circuit.Or to walk abreast installing optocoupler control switch and alarm equipment with line controller, direct-on-line road control end sends information warning.
Claims (1)
1. a distribution network line operation monitoring system, comprises the multiple line facilities be connected on grid power transmission circuit, the demand control equipment be connected with described line facility communication, and the client main website be connected with described demand control device talk, it is characterized in that:
Described demand control equipment comprises line controller, for generation of with transmission demand control signal; Processor, connects described line controller and to go forward side by side row relax for obtaining line parameter circuit value information; Transceiver I, connects described processor and is connected for the communication of demand control equipment with client main website; And memory, connect described processor and provide the read-write operation of data message for it;
Described client main website comprises customer interface, for input and the display of client, transceiver II, for the communication of described transceiver I by client layer, and with described transceiver II and the integrated DSP equipment of customer interface, for the process of data message, list gasifying device is provided with in described DSP equipment, the sequencing of the passage of the ROM equipment extraction data of described DSP equipment coupling is controlled by this list gasifying device, the signal controller that described transceiver II comprises signal generator and is coupled with it, the level signal that described signal controller is used for providing according to DSP equipment selects the type of communication, described demand control equipment comprises working power further, described working power is connected to processor and transceiver, or be connected to line controller, described power distribution network realizes demand control as follows:
1) by the requirement variable signal on demand control equipment Inspection transmission line;
2) this requirement variable signal is carried out the particular needs amount changing value processing to obtain wherein, this particular needs amount changing value is associated with the default control module in processor;
3) by selecting the control module relevant to line facility in DSP equipment default control module after association, according to this control module by line controller to the line facility transmission control command of correspondence to control its action;
4) continue to detect requirement signal by the transceiver I of described demand control equipment, and calculate the requirement variable quantity of functional arrangement equipment;
5) this new requirement variable quantity and requirement variable quantity are before compared, judge that whether it is equal, if unequal, then the difference of described new requirement variable quantity and requirement variable quantity before and a default threshold value are compared;
If described difference is greater than predetermined threshold value, then this difference is associated with the module of default control described in processor, if described difference is not more than predetermined threshold value, is then back to step 4);
6) judge whether this can use through the control module be associated, if available, then by selecting the control module relevant to line facility in DSP equipment default control module after association, according to this control module by line controller to the line facility transmission control command of correspondence to control its action; If unavailable, then select a new control module and operation associated before repeating, and be back to step 3).
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| CN201310160010.7A CN103269123B (en) | 2013-05-03 | 2013-05-03 | Power distribution network line operation monitoring system |
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| CN201310160010.7A CN103269123B (en) | 2013-05-03 | 2013-05-03 | Power distribution network line operation monitoring system |
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| CN1607556A (en) * | 2003-10-14 | 2005-04-20 | 北京清大科技股份有限公司 | Remote electric quantity data automatic acquisition control system |
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| CN201985627U (en) * | 2011-05-06 | 2011-09-21 | 中国神华能源股份有限公司 | Power distribution terminal and intelligent power grid system using same |
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-
2013
- 2013-05-03 CN CN201310160010.7A patent/CN103269123B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1607556A (en) * | 2003-10-14 | 2005-04-20 | 北京清大科技股份有限公司 | Remote electric quantity data automatic acquisition control system |
| CN101609544A (en) * | 2009-07-21 | 2009-12-23 | 华中科技大学 | A kind of image processor data load and method of testing and device |
| CN201985627U (en) * | 2011-05-06 | 2011-09-21 | 中国神华能源股份有限公司 | Power distribution terminal and intelligent power grid system using same |
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Owner name: HUZHOU POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG Free format text: FORMER OWNER: ZHEJIANG ELECTRIC POWER COMPANY HUZHOU POWER OFFICE CHANGXING POWER SUPPLY BUREAU Effective date: 20150116 |
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Effective date of registration: 20150116 Address after: 100045 West Chang'an Avenue, Beijing, No. 86, No. Patentee after: State Grid Corporation of China Patentee after: Huzhou Power Supply Company of State Grid Zhejiang Electric Power Company Patentee after: State Grid Zhejiang Changxing Power Supply Company Patentee after: Changxing, Zhejiang Province Electrical Engineering Co., Ltd. Address before: 100045 West Chang'an Avenue, Beijing, No. 86, No. Patentee before: State Grid Corporation of China Patentee before: Zhejiang Electric Power Company Patentee before: Huzhou Power Office Patentee before: Changxing County Power Supply Bureau |