CN103972988A - Distribution network fault treatment aid decision-making method - Google Patents
Distribution network fault treatment aid decision-making method Download PDFInfo
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- CN103972988A CN103972988A CN201410233373.3A CN201410233373A CN103972988A CN 103972988 A CN103972988 A CN 103972988A CN 201410233373 A CN201410233373 A CN 201410233373A CN 103972988 A CN103972988 A CN 103972988A
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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
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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Abstract
The invention discloses a distribution network fault treatment aid decision-making method realized on the basis of a distribution network fault treatment aid decision-making system. The distribution network fault treatment aid decision-making method particularly comprises the following steps: an automatic distribution master station receives an overcurrent signal sent from an automatic distribution terminal, a fault area is positioned, and an automatic distributed feeder system is controlled to move; the automatic distributed feeder system isolates the faults of distribution lines and restores the load power supply of a non-fault area; the automatic distribution master station judges whether the automatic distributed feeder system is effective on the fault isolation of the distribution lines or not; the automatic distribution master station controls an automatic master station centralized type feeder system to take different movements according to different reasons of ineffective fault isolation of the distribution lines. The distribution network fault treatment aid decision-making method disclosed by the invention can fast and effectively realize the fault isolation of a distribution network by adopting a principle of partition self recovery and master station aid decision-making.
Description
Technical field
The present invention relates to the processing method of distribution network failure, be specifically related to a kind of distribution network failure and process aid decision-making method.
Background technology
Along with China's industrial expansion, electric power networks scale strengthens gradually, and network configuration is complicated gradually, and user is also more and more higher to the requirement for electrical stability.On the one hand, in the time that normally moving, system to prevent the generation of fault; On the other hand, after fault occurs, carry out as early as possible fault location, fix a breakdown rapidly, ensure system security of operation, by minimization of loss.
For the electric power core space in electrical domain, the highest to power supply reliability requirement for the modern times, in the time there is distribution network failure, need excision fault fast, and dead electricity is loaded and turned confession.
Summary of the invention
The object of the present invention is to provide a kind of distribution network failure to process aid decision-making method, this distribution network failure is processed aid decision-making method and is processed aid decision-making system realization based on distribution network failure.The method adopts the principle of " subregion self-healing, main website aid decision ", the main station system basis signal that distributed feed line automatization system send on moving on the spot, real-time tracking is analyzed, provide in real time distributed feed line automatization system action situation analysis on the spot, and the centralized feed line automatization system of controlling center is isolated failed fault zone for distributed feed line automatization system on the spot and is again isolated, carries out Process Tracking for the successful region of Fault Isolation.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
A kind of distribution network failure is processed aid decision-making method, and this distribution network failure is processed aid decision-making method and processed aid decision-making system realization based on distribution network failure; This distribution network failure is processed aid decision-making system and is comprised power distribution automation main website, connected distributed feed line automatization system on the spot, master station-centralized feed line automatization system and some distribution power automation terminals, and above-mentioned distributed feed line automatization system is on the spot connected with above-mentioned master station-centralized feed line automatization system; Be characterized in, this distribution network failure is processed aid decision-making method and is comprised following steps:
Step 1, above-mentioned power distribution automation main website receives the over-current signal sending on above-mentioned distribution power automation terminal, fault zone, location, and according to the action reason signal above giving, the further above-mentioned distributed feed line automatization system action of match control;
Step 2, this distributed feed line automatization system is isolated distribution line failure, and recovers the load power supply of non-fault zone;
Step 3, whether the above-mentioned distributed feed line automatization system of above-mentioned power distribution automation main station judging isolates effective to distribution line failure; When distribution line failure is isolated when effective, execution step 4; Isolate when invalid when distribution line failure, jump to step 5;
Step 4, the above-mentioned distributed feed line automatization system of this power distribution automation main website control sends relevant Fault Isolation useful signal to above-mentioned master station-centralized feed line automatization system, and control this master station-centralized feed line automatization system and follow the tracks of troubleshooting process, finish;
Step 5, this power distribution automation main website isolates invalid this distributed feed line automatization system of different reason controls according to distribution line failure and sends corresponding Fault Isolation abnormal signal to this master station-centralized feed line automatization system, and controls this master station-centralized feed line automatization system and move accordingly.
Above-mentioned distribution network failure is processed aid decision-making method, is characterized in, above-mentioned step 3 comprises following steps:
Step 3.1, above-mentioned distributed feed line automatization system completes after distribution line failure isolation, notify above-mentioned power distribution automation main website, whether this power distribution automation main website is effective according to the feedback signal failure judgement isolation of sending on this distributed feed line automatization system;
Step 3.2, in the time that this power distribution automation main website receives " distributed self-healing ring signal is normal ", this distributed feed line automatization system of this power distribution automation main station judging is by Fault Isolation, and load has turned confession, and Fault Isolation is effective, execution step 4;
Step 3.3, while sending " Fault Isolation completes, and load transfer exceeds distributed feed line automatization system logic scope on the spot, unrealized load transfer " signal when this power distribution automation main website receives this distributed feed line automatization system; This distributed feed line automatization system of this power distribution automation main station judging is by Fault Isolation, and load transfer is abnormal, and Fault Isolation is invalid, jumps to step 5;
Step 3.4, while sending " Fault Isolation completes, and occurs extremely unrealized load transfer in load transfer process " signal when this power distribution automation main website receives this distributed feed line automatization system; This distributed feed line automatization system of this power distribution automation main station judging is by Fault Isolation, and load transfer is abnormal, and Fault Isolation is invalid, jumps to step 5;
Step 3.5, send " system generation multiple faults; exceed distributed feed line automatization system action logic scope on the spot; unrealized Fault Isolation " signal during when this power distribution automation main website receives this distributed feed line automatization system, this power distribution automation main station judging Fault Isolation is abnormal, be that Fault Isolation is invalid, jump to step 5;
Step 3.6, send " occurring abnormal in process of fault isolation " signal during when this power distribution automation main website receives this distributed feed line automatization system, this power distribution automation main station judging Fault Isolation is abnormal, and Fault Isolation is invalid, jumps to step 5;
Step 3.7, sends signal when this power distribution automation main website does not receive this distributed feed line automatization system, and this distributed feed line automatization system does not start, and Fault Isolation is invalid, jumps to step 5.
Above-mentioned distribution network failure is processed aid decision-making method, is characterized in, above-mentioned step 5 comprises following steps:
Step 5.1, when the above-mentioned distributed feed line automatization system of power distribution automation main station judging in above-mentioned step 3.3, step 3.4 is by Fault Isolation, when load transfer is abnormal; This this distributed feed line automatization system of power distribution automation main website control sends relevant Fault Isolation abnormal signal to above-mentioned master station-centralized feed line automatization system, and controls this master station-centralized feed line automatization system and follow the tracks of troubleshooting process, shift the not load of power supply;
Step 5.2, in the time that in above-mentioned step 3.5, step 3.6, power distribution automation main station judging Fault Isolation is abnormal; This this distributed feed line automatization system of power distribution automation main website control sends relevant Fault Isolation abnormal signal to above-mentioned master station-centralized feed line automatization system, and control this master station-centralized feed line automatization system and follow the tracks of troubleshooting process, complete Fault Isolation transfer load;
Step 5.3, in the time that this distributed feed line automatization system of power distribution automation main station judging in above-mentioned step 3.7 does not start; This master station-centralized feed line automatization system of this power distribution automation main website control is followed the tracks of troubleshooting process, is started Fault Isolation, and transfer load.
The present invention compared with prior art has the following advantages:
The invention provides a kind of distribution network failure processing aid decision-making method can get rid of, repair the fault in power distribution network fast and effectively, and provide real-time trace analysis result, optimize troubleshooting scheme by master station-centralized feed line automatization system, improved power supply reliability.
Brief description of the drawings
Fig. 1 is the overall flow figure that a kind of distribution network failure of the present invention is processed aid decision-making method.
Embodiment
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, the present invention is further elaborated.
A kind of distribution network failure is processed aid decision-making method, and this distribution network failure is processed aid decision-making method and processed aid decision-making system realization based on distribution network failure; This distribution network failure is processed aid decision-making system and is comprised power distribution automation main website, connected distributed feed line automatization system on the spot, master station-centralized feed line automatization system and some distribution power automation terminals, and distributed feed line automatization system is connected with master station-centralized feed line automatization system on the spot.
As shown in Figure 1, this distribution network failure processing aid decision-making method comprises following steps:
Step 1, power distribution automation main website receives the over-current signal sending on distribution power automation terminal, fault zone, location, and according to the action reason signal above giving, the further distributed feed line automatization system action of match control.
Step 2, this distributed feed line automatization system is isolated distribution line failure, and recovers the load power supply of non-fault zone.
Step 3, whether the distributed feed line automatization system of power distribution automation main station judging is effective to distribution line failure isolation; When distribution line failure is isolated when effective, execution step 4; Isolate when invalid when distribution line failure, jump to step 5.This step comprises following steps:
Step 3.1, distributed feed line automatization system completes after distribution line failure isolation, notice power distribution automation main website, whether this power distribution automation main website is effective according to the feedback signal failure judgement isolation of sending on this distributed feed line automatization system.
Step 3.2, in the time that this power distribution automation main website receives " distributed self-healing ring signal is normal ", this distributed feed line automatization system of this power distribution automation main station judging is by Fault Isolation, and load has turned confession, and Fault Isolation is effective, execution step 4.
Step 3.3, while sending " Fault Isolation completes, and load transfer exceeds distributed feed line automatization system logic scope on the spot, unrealized load transfer " signal when this power distribution automation main website receives this distributed feed line automatization system; This distributed feed line automatization system of this power distribution automation main station judging is by Fault Isolation, and load transfer is abnormal, and Fault Isolation is invalid, jumps to step 5.
Step 3.4, while sending " Fault Isolation completes, and occurs extremely unrealized load transfer in load transfer process " signal when this power distribution automation main website receives this distributed feed line automatization system; This distributed feed line automatization system of this power distribution automation main station judging is by Fault Isolation, and load transfer is abnormal, and Fault Isolation is invalid, jumps to step 5.
In this step, in the time there is the phenomenon such as such as switch or plug-in strip tripping work in distribution power automation terminal, distributed feed line automatization system sends " Fault Isolation completes, and occurs extremely unrealized load transfer in load transfer process " signal to this power distribution automation main website.
Step 3.5, send " system generation multiple faults; exceed distributed feed line automatization system action logic scope on the spot; unrealized Fault Isolation " signal during when this power distribution automation main website receives this distributed feed line automatization system, this power distribution automation main station judging Fault Isolation is abnormal, be that Fault Isolation is invalid, jump to step 5.
Step 3.6, send " occurring abnormal in process of fault isolation " signal during when this power distribution automation main website receives this distributed feed line automatization system, this power distribution automation main station judging Fault Isolation is abnormal, and Fault Isolation is invalid, jumps to step 5.
In this step, carry out in the process of Fault Isolation at distributed feed line automatization system, while there is the phenomenon such as such as switch or plug-in strip tripping work, this distributed feed line automatization system sends " occurring abnormal in process of fault isolation " signal to this power distribution automation main website.
Step 3.7, sends signal when this power distribution automation main website does not receive this distributed feed line automatization system, and this distributed feed line automatization system does not start, and Fault Isolation is invalid, jumps to step 5.
In this step, because causing this distributed feed line automatization system, external system fault, distributed feed line automatization system communication failure or other failure causes fail to start.
Step 4, the distributed feed line automatization system of this power distribution automation main website control sends relevant Fault Isolation useful signal to master station-centralized feed line automatization system, and controls this master station-centralized feed line automatization system and follow the tracks of troubleshooting process, finishes.
In this step, distributed feed line automatization system sends relevant Fault Isolation useful signal to master station-centralized feed line automatization system and comprises following information:
1, the protection action of transformer station/switchyard and switch changed position information;
2, distributed FA encircles the signals such as interior overcurrent on the spot;
3, distributed FA starts marking signal on the spot;
4, switch (plug-in strip) displacement information in Fault Isolation and load transfer process;
5, distributed FA Fault Isolation settling signal on the spot;
6, distributed FA fault recovery settling signal on the spot.
Step 5, this power distribution automation main website isolates invalid this distributed feed line automatization system of different reason controls according to distribution line failure and sends different Fault Isolation abnormal signals to this master station-centralized feed line automatization system, and controls this master station-centralized feed line automatization system and carry out different actions.
This step comprises following steps:
Step 5.1, when the distributed feed line automatization system of power distribution automation main station judging in above-mentioned step 3.3, step 3.4 is by Fault Isolation, when load transfer is abnormal; This this distributed feed line automatization system of power distribution automation main website control sends relevant Fault Isolation abnormal signal to master station-centralized feed line automatization system, and controls this master station-centralized feed line automatization system and follow the tracks of troubleshooting process, shift the not load of power supply.
In this step, in the time occurring that in above-mentioned steps 3.3, a situation arises, the Fault Isolation abnormal signal that distributed feed line automatization system sends to master station-centralized feed line automatization system comprises following information:
1, the protection action of transformer station/switchyard and switch changed position information;
2, distributed FA encircles the signals such as interior overcurrent on the spot;
3, distributed FA starts marking signal on the spot;
4, switch (plug-in strip) displacement information in Fault Isolation and load transfer process;
5, distributed FA Fault Isolation settling signal on the spot;
6, distributed FA fault recovery abnormal signal on the spot.
In this step, in the time occurring that in above-mentioned steps 3.4, a situation arises, the Fault Isolation abnormal signal that distributed feed line automatization system sends to master station-centralized feed line automatization system comprises following information:
1, the protection action of transformer station/switchyard and switch changed position information;
2, distributed FA encircles the signals such as interior overcurrent on the spot;
3, distributed FA starts marking signal on the spot;
4, switch (plug-in strip) displacement information in Fault Isolation and load transfer process;
5, switch failure etc. turns for abnormal signal;
6, distributed FA Fault Isolation settling signal on the spot;
7, distributed FA fault recovery abnormal signal on the spot.
Step 5.2, in the time that in above-mentioned step 3.5, step 3.6, power distribution automation main station judging Fault Isolation is abnormal; This this distributed feed line automatization system of power distribution automation main website control sends relevant Fault Isolation abnormal signal to master station-centralized feed line automatization system, and control this master station-centralized feed line automatization system and follow the tracks of troubleshooting process, complete Fault Isolation transfer load.
In this step, in the time occurring that in above-mentioned steps 3.5, a situation arises, the Fault Isolation abnormal signal that distributed feed line automatization system sends to master station-centralized feed line automatization system comprises following information:
1, the protection action of transformer station/switchyard and switch changed position information;
2, distributed FA encircles the signals such as interior overcurrent on the spot;
3, distributed FA starts marking signal on the spot;
4, step switch (plug-in strip) displacement information in process of fault isolation;
5, distributed FA Fault Isolation abnormal signal on the spot.
In this step, in the time occurring that in above-mentioned steps 3.6, a situation arises, the Fault Isolation abnormal signal that distributed feed line automatization system sends to master station-centralized feed line automatization system comprises following information:
1, the protection action of transformer station/switchyard and switch changed position information;
2, distributed FA encircles the signals such as interior overcurrent on the spot;
3, distributed FA starts marking signal on the spot;
4, step switch (plug-in strip) displacement information in fault treating procedure;
5, the isolation such as switch failure abnormal signal;
6, distributed FA Fault Isolation abnormal signal on the spot.
Step 5.3, in the time that this distributed feed line automatization system of power distribution automation main station judging in above-mentioned step 3.7 does not start; This master station-centralized feed line automatization system of this power distribution automation main website control is followed the tracks of troubleshooting process, is started Fault Isolation, and transfer load.
Although content of the present invention has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.Read after foregoing those skilled in the art, for multiple amendment of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (3)
1. distribution network failure is processed an aid decision-making method, and this distribution network failure is processed aid decision-making method and processed aid decision-making system realization based on distribution network failure; This distribution network failure is processed aid decision-making system and is comprised power distribution automation main website, connected distributed feed line automatization system on the spot, master station-centralized feed line automatization system and some distribution power automation terminals, and described distributed feed line automatization system is on the spot connected with described master station-centralized feed line automatization system; It is characterized in that, this distribution network failure is processed aid decision-making method and is comprised following steps:
Step 1, described power distribution automation main website receives the over-current signal sending on described distribution power automation terminal, fault zone, location, and according to the action reason signal above giving, the further distributed feed line automatization system action described in match control;
Step 2, this distributed feed line automatization system is isolated distribution line failure, and recovers the load power supply of non-fault zone;
Step 3, whether the distributed feed line automatization system described in described power distribution automation main station judging is effective to distribution line failure isolation; When distribution line failure is isolated when effective, execution step 4; Isolate when invalid when distribution line failure, jump to step 5;
Step 4, distributed feed line automatization system described in this power distribution automation main website control sends relevant Fault Isolation useful signal to described master station-centralized feed line automatization system, and control this master station-centralized feed line automatization system and follow the tracks of troubleshooting process, finish;
Step 5, this power distribution automation main website isolates invalid this distributed feed line automatization system of different reason controls according to distribution line failure and sends corresponding Fault Isolation abnormal signal to this master station-centralized feed line automatization system, and controls this master station-centralized feed line automatization system and move accordingly.
2. distribution network failure as claimed in claim 1 is processed aid decision-making method, it is characterized in that, described step 3 comprises following steps:
Step 3.1, described distributed feed line automatization system completes after distribution line failure isolation, the power distribution automation main website that notice is described, whether this power distribution automation main website is effective according to the feedback signal failure judgement isolation of sending on this distributed feed line automatization system;
Step 3.2, in the time that this power distribution automation main website receives " distributed self-healing ring signal is normal ", this distributed feed line automatization system of this power distribution automation main station judging is by Fault Isolation, and load has turned confession, and Fault Isolation is effective, execution step 4;
Step 3.3, while sending " Fault Isolation completes, and load transfer exceeds distributed feed line automatization system logic scope on the spot, unrealized load transfer " signal when this power distribution automation main website receives this distributed feed line automatization system; This distributed feed line automatization system of this power distribution automation main station judging is by Fault Isolation, and load transfer is abnormal, and Fault Isolation is invalid, jumps to step 5;
Step 3.4, while sending " Fault Isolation completes, and occurs extremely unrealized load transfer in load transfer process " signal when this power distribution automation main website receives this distributed feed line automatization system; This distributed feed line automatization system of this power distribution automation main station judging is by Fault Isolation, and load transfer is abnormal, and Fault Isolation is invalid, jumps to step 5;
Step 3.5, send " system generation multiple faults; exceed distributed feed line automatization system action logic scope on the spot; unrealized Fault Isolation " signal during when this power distribution automation main website receives this distributed feed line automatization system, this power distribution automation main station judging Fault Isolation is abnormal, be that Fault Isolation is invalid, jump to step 5;
Step 3.6, send " occurring abnormal in process of fault isolation " signal during when this power distribution automation main website receives this distributed feed line automatization system, this power distribution automation main station judging Fault Isolation is abnormal, and Fault Isolation is invalid, jumps to step 5;
Step 3.7, sends signal when this power distribution automation main website does not receive this distributed feed line automatization system, and this distributed feed line automatization system does not start, and Fault Isolation is invalid, jumps to step 5.
3. distribution network failure as claimed in claim 2 is processed aid decision-making method, it is characterized in that, described step 5 comprises following steps:
Step 5.1, when the distributed feed line automatization system described in power distribution automation main station judging in described step 3.3, step 3.4 is by Fault Isolation, when load transfer is abnormal; This this distributed feed line automatization system of power distribution automation main website control sends relevant Fault Isolation abnormal signal to described master station-centralized feed line automatization system, and controls this master station-centralized feed line automatization system and follow the tracks of troubleshooting process, shift the not load of power supply;
Step 5.2, in the time that in described step 3.5, step 3.6, power distribution automation main station judging Fault Isolation is abnormal; This this distributed feed line automatization system of power distribution automation main website control sends relevant Fault Isolation abnormal signal to described master station-centralized feed line automatization system, and control this master station-centralized feed line automatization system and follow the tracks of troubleshooting process, complete Fault Isolation transfer load;
Step 5.3, in the time that this distributed feed line automatization system of power distribution automation main station judging in described step 3.7 does not start; This master station-centralized feed line automatization system of this power distribution automation main website control is followed the tracks of troubleshooting process, is started Fault Isolation, and transfer load.
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| CN108879949A (en) * | 2018-06-26 | 2018-11-23 | 国网福建省电力有限公司 | A kind of test method of power distribution network CPS main website and terminal |
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