CN103972988B - A kind of distribution network failure processes aid decision-making method - Google Patents
A kind of distribution network failure processes aid decision-making method Download PDFInfo
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- CN103972988B CN103972988B CN201410233373.3A CN201410233373A CN103972988B CN 103972988 B CN103972988 B CN 103972988B CN 201410233373 A CN201410233373 A CN 201410233373A CN 103972988 B CN103972988 B CN 103972988B
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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
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- 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
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- 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
Abstract
The invention discloses a kind of distribution network failure and process aid decision-making method, this distribution network failure processes aid decision-making method and processes aid decision-making system realization based on distribution network failure.The method is specific as follows: power distribution automation main website receives the over-current signal sent on distribution power automation terminal, positions fault zone, controls distributed feed line automatization system action；Distribution line failure is isolated by distributed feed line automatization system, and the load recovering non-faulting region is powered；Whether the distributed feed line automatization system of power distribution automation main station judging is effective to distribution line failure isolation；According to the different reasons that distribution line failure isolation is invalid, power distribution automation main website controls this master station-centralized feed line automatization system and carries out different actions.The method adopts the principle of " subregion spontaneous recovery, main website aid decision ", it is possible to realize the Fault Isolation in power distribution network fast and effectively.
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 is gradually increased, and network structure is complicated gradually, and user is also more and more higher to the requirement for electrical stability.On the one hand, the generation of fault is prevented when system is properly functioning；On the other hand, after fault occurs, carry out fault location as early as possible, fix a breakdown rapidly, it is ensured that system runs safety, by minimization of loss.
For the modern times for the electric power core space in electrical domain, power supply reliability is required the highest, when there is distribution network failure, it is necessary to quickly excise fault, and carry out dead electricity load turning confession.
Summary of the invention
It is an object of the invention to provide a kind of distribution network failure and process aid decision-making method, this distribution network failure processes aid decision-making method and processes aid decision-making system realization based on distribution network failure.The method adopts the principle of " subregion spontaneous recovery, main website aid decision ", main station system is according to the signal sent in distributed feed line automatization system action on the spot, real-time tracking analysis, distributed feed line automatization system action situation analysis on the spot is provided in real time, and controls master station-centralized feed line automatization system and failed fault zone is isolated for distributed feed line automatization system on the spot carry out again isolating, Process Tracking being carried out 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 processes aid decision-making method, and this distribution network failure processes aid decision-making method and processes aid decision-making system realization based on distribution network failure；This distribution network failure processes aid decision-making system and comprises 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 on the spot feed line automatization system is connected with above-mentioned master station-centralized feed line automatization system；Being characterized in, this distribution network failure processes aid decision-making method and comprises the steps of
Step 1, above-mentioned power distribution automation main website receives the over-current signal sent on above-mentioned distribution power automation terminal, positions fault zone, and according to the action reason signal above given, the distributed feed line automatization system action that further match control is above-mentioned；
Step 2, distribution line failure is isolated by this distributed feed line automatization system, and the load recovering non-faulting region is powered；
Step 3, whether the above-mentioned distributed feed line automatization system of above-mentioned power distribution automation main station judging is effective to distribution line failure isolation；When distribution line failure isolation is effective, perform step 4；When distribution line failure isolation is invalid, jump to step 5；
Step 4, this power distribution automation main website controls above-mentioned distributed feed line automatization system and 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 tracking troubleshooting process, terminate；
Step 5, this power distribution automation main website isolates invalid different reasons according to distribution line failure and controls this distributed feed line automatization system and send 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 carry out corresponding action.
Above-mentioned distribution network failure processes aid decision-making method, is characterized in, above-mentioned step 3 comprises the steps of:
Step 3.1, above-mentioned distributed feed line automatization system completes after distribution line failure isolation, notifying above-mentioned power distribution automation main website, whether this power distribution automation main website is effective according to the feedback signal failure judgement isolation sent on this distributed feed line automatization system；
Step 3.2, when 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 namely Fault Isolation is effective, performs step 4；
Step 3.3, when sending " Fault Isolation completes, and load transfer is beyond distributed feed line automatization system logic scope, unrealized load transfer on the spot " 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 namely Fault Isolation is invalid, jumps to step 5；
Step 3.4, when sending " Fault Isolation completes, and occurs abnormal, 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 namely Fault Isolation is invalid, jumps to step 5；
Step 3.5, when sending " system generation multiple failure; beyond distributed feed line automatization system action logic scope on the spot; unrealized Fault Isolation " signal 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, namely Fault Isolation is invalid, jumps to step 5；
Step 3.6, when sending " occurring abnormal in process of fault isolation " signal 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 namely 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, then this distributed feed line automatization system is not actuated, and namely Fault Isolation is invalid, jumps to step 5.
Above-mentioned distribution network failure processes aid decision-making method, is characterized in, above-mentioned step 5 comprises the steps of:
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, during load transfer exception；This power distribution automation main website controls this distributed feed line automatization system and sends relevant Fault Isolation abnormal signal to above-mentioned master station-centralized feed line automatization system, and controls the load that this master station-centralized feed line automatization system follows the tracks of troubleshooting process, transfer is not powered；
Step 5.2, when power distribution automation main station judging Fault Isolation exception in above-mentioned step 3.5, step 3.6；This power distribution automation main website controls this distributed feed line automatization system and 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 tracking troubleshooting process, complete Fault Isolation transfer load；
Step 5.3, when in above-mentioned step 3.7, this distributed feed line automatization system of power distribution automation main station judging is not actuated；This power distribution automation main website controls this master station-centralized feed line automatization system and follows the tracks of troubleshooting process, startup separator isolation transfer load.
The present invention compared with prior art has the advantage that
The present invention provides a kind of distribution network failure process aid decision-making method fast and effectively the fault in power distribution network can be got rid of, be repaired, and real-time trace analysis result is provided, optimize troubleshooting scheme by master station-centralized feed line automatization system, improve power supply reliability.
Accompanying drawing explanation
Fig. 1 is the overall flow figure that a kind of distribution network failure of the present invention processes aid decision-making method.
Detailed description of the invention
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 processes aid decision-making method, and this distribution network failure processes aid decision-making method and processes aid decision-making system realization based on distribution network failure；This distribution network failure processes aid decision-making system and comprises 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.
Comprise the steps of as it is shown in figure 1, this distribution network failure processes aid decision-making method
Step 1, power distribution automation main website receives the over-current signal sent on distribution power automation terminal, positions fault zone, and according to the action reason signal above given, the distributed feed line automatization system action of further match control.
Step 2, distribution line failure is isolated by this distributed feed line automatization system, and the load recovering non-faulting region is powered.
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 isolation is effective, perform step 4；When distribution line failure isolation is invalid, jump to step 5.This step comprises the steps of:
Step 3.1, distributed feed line automatization system completes, to after distribution line failure isolation, to notify power distribution automation main website, and whether this power distribution automation main website is effective according to the feedback signal failure judgement isolation sent on this distributed feed line automatization system.
Step 3.2, when 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 namely Fault Isolation is effective, performs step 4.
Step 3.3, when sending " Fault Isolation completes, and load transfer is beyond distributed feed line automatization system logic scope, unrealized load transfer on the spot " 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 namely Fault Isolation is invalid, jumps to step 5.
Step 3.4, when sending " Fault Isolation completes, and occurs abnormal, 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 namely Fault Isolation is invalid, jumps to step 5.
In this step, when such as switch or the phenomenon such as plug-in strip refused action occurs in distribution power automation terminal, distributed feed line automatization system sends " Fault Isolation completes, and occurs abnormal, unrealized load transfer in load transfer process " signal to this power distribution automation main website.
Step 3.5, when sending " system generation multiple failure; beyond distributed feed line automatization system action logic scope on the spot; unrealized Fault Isolation " signal 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, namely Fault Isolation is invalid, jumps to step 5.
Step 3.6, when sending " occurring abnormal in process of fault isolation " signal 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 namely 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, when there is such as switch or the phenomenon such as plug-in strip refused action, then 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, then this distributed feed line automatization system is not actuated, and namely Fault Isolation is invalid, jumps to step 5.
In this step, owing to external system fault, distributed feed line automatization system communication failure or other failure causes cause that this distributed feed line automatization system fails to start.
Step 4, this power distribution automation main website controls distributed feed line automatization system and sends relevant Fault Isolation useful signal to master station-centralized feed line automatization system, and controls this master station-centralized feed line automatization system tracking troubleshooting process, terminates.
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, transformer station/switchyard protection act and switch changed position information；
2, distributed FA ring is interior on the spot crosses the signals such as stream；
3, distributed FA active flag signal on the spot；
4, Fault Isolation and load transfer process breaker in middle (plug-in strip) conjugate information；
5, distributed FA Fault Isolation completes signal on the spot；
6, distributed FA fault recovery completes signal on the spot.
Step 5, this power distribution automation main website isolates invalid different reasons according to distribution line failure and controls this distributed feed line automatization system and send 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 the steps of:
Step 5.1, when in above-mentioned step 3.3, step 3.4, the distributed feed line automatization system of power distribution automation main station judging is by Fault Isolation, during load transfer exception；This power distribution automation main website controls this distributed feed line automatization system and sends relevant Fault Isolation abnormal signal to master station-centralized feed line automatization system, and controls the load that this master station-centralized feed line automatization system follows the tracks of troubleshooting process, transfer is not powered.
In this step, when 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, transformer station/switchyard protection act and switch changed position information；
2, distributed FA ring is interior on the spot crosses the signals such as stream；
3, distributed FA active flag signal on the spot；
4, Fault Isolation and load transfer process breaker in middle (plug-in strip) conjugate information；
5, distributed FA Fault Isolation completes signal on the spot；
6, distributed FA fault recovery abnormal signal on the spot.
In this step, when 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, transformer station/switchyard protection act and switch changed position information；
2, distributed FA ring is interior on the spot crosses the signals such as stream；
3, distributed FA active flag signal on the spot；
4, Fault Isolation and load transfer process breaker in middle (plug-in strip) conjugate information；
5, switch failure etc. turn for abnormal signal；
6, distributed FA Fault Isolation completes signal on the spot；
7, distributed FA fault recovery abnormal signal on the spot.
Step 5.2, when power distribution automation main station judging Fault Isolation exception in above-mentioned step 3.5, step 3.6；This power distribution automation main website controls this distributed feed line automatization system and sends relevant Fault Isolation abnormal signal to master station-centralized feed line automatization system, and control this master station-centralized feed line automatization system tracking troubleshooting process, complete Fault Isolation transfer load.
In this step, when 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, transformer station/switchyard protection act and switch changed position information；
2, distributed FA ring is interior on the spot crosses the signals such as stream；
3, distributed FA active flag signal on the spot；
4, in process of fault isolation, step switch (plug-in strip) conjugates information；
5, distributed FA Fault Isolation abnormal signal on the spot.
In this step, when 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, transformer station/switchyard protection act and switch changed position information；
2, distributed FA ring is interior on the spot crosses the signals such as stream；
3, distributed FA active flag signal on the spot；
4, in fault treating procedure, step switch (plug-in strip) conjugates information；
5, the isolation such as switch failure abnormal signal；
6, distributed FA Fault Isolation abnormal signal on the spot.
Step 5.3, when in above-mentioned step 3.7, this distributed feed line automatization system of power distribution automation main station judging is not actuated；This power distribution automation main website controls this master station-centralized feed line automatization system and follows the tracks of troubleshooting process, startup separator isolation transfer load.
Although present disclosure has been made to be discussed in detail already by above preferred embodiment, but it should be appreciated that the description above is not considered as limitation of the present invention.After those skilled in the art have read foregoing, multiple amendment and replacement for the present invention all will be apparent from.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (2)
1. distribution network failure processes an aid decision-making method, and this distribution network failure processes aid decision-making method and processes aid decision-making system realization based on distribution network failure；This distribution network failure processes aid decision-making system and comprises 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 on the spot feed line automatization system is connected with described master station-centralized feed line automatization system；It is characterized in that, this distribution network failure processes aid decision-making method and comprises the steps of
Step 1, described power distribution automation main website receives the over-current signal sent on described distribution power automation terminal, positions fault zone, and according to the action reason signal above given, the distributed on the spot feed line automatization system action described in further match control；
Step 2, this on the spot distributed feed line automatization system distribution line failure is isolated, and the load recovering non-faulting region is powered；
Step 3, whether the distributed on the spot feed line automatization system described in described power distribution automation main station judging is effective to distribution line failure isolation；When distribution line failure isolation is effective, perform step 4；When distribution line failure isolation is invalid, jump to step 5；
Described step 3 comprises the steps of:
Step 3.1, described distributed on the spot 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 sent on this on the spot distributed feed line automatization system；
Step 3.2, when this power distribution automation main website receives " distributed self-healing ring signal is normal ", this power distribution automation main station judging this distributed feed line automatization system is by Fault Isolation on the spot, load has turned confession, and namely Fault Isolation is effective, performs step 4；
Step 3.3, when this power distribution automation main website receives this distributed feed line automatization system sends " Fault Isolation completes, and load transfer is beyond distributed feed line automatization system logic scope, unrealized load transfer on the spot " signal on the spot；This power distribution automation main station judging this distributed feed line automatization system is by Fault Isolation on the spot, load transfer is abnormal, and namely Fault Isolation is invalid, jumps to step 5；
Step 3.4, when this power distribution automation main website receives this distributed feed line automatization system sends " Fault Isolation completes, and occurs abnormal, unrealized load transfer in load transfer process " signal on the spot；This power distribution automation main station judging this distributed feed line automatization system is by Fault Isolation on the spot, load transfer is abnormal, and namely Fault Isolation is invalid, jumps to step 5；
Step 3.5, when this power distribution automation main website receives this distributed feed line automatization system sends " system generation multiple failure; beyond distributed feed line automatization system action logic scope on the spot; unrealized Fault Isolation " signal on the spot, this power distribution automation main station judging Fault Isolation is abnormal, namely Fault Isolation is invalid, jumps to step 5；
Step 3.6, when this power distribution automation main website receives this distributed feed line automatization system sends " in process of fault isolation occur abnormal " signal on the spot, this power distribution automation main station judging Fault Isolation is abnormal, and namely Fault Isolation is invalid, jumps to step 5；
Step 3.7, when this power distribution automation main website do not receive this on the spot distributed feed line automatization system send signal, then this distributed feed line automatization system is not actuated on the spot, namely Fault Isolation is invalid, jumps to step 5；
Step 4, this power distribution automation main website controls described distributed on the spot feed line automatization system and 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 tracking troubleshooting process, terminate；
Step 5, this power distribution automation main website according to distribution line failure isolate invalid different reasons control this on the spot distributed feed line automatization system send corresponding Fault Isolation abnormal signal to this master station-centralized feed line automatization system, and control this master station-centralized feed line automatization system and carry out corresponding action.
2. distribution network failure as claimed in claim 1 processes aid decision-making method, it is characterised in that described step 5 comprises the steps of:
Step 5.1, when the distributed on the spot feed line automatization system described in power distribution automation main station judging in described step 3.3, step 3.4 is by Fault Isolation, during load transfer exception；This power distribution automation main website controls this Fault Isolation abnormal signal that distributed feed line automatization system is correlated with on the spot to described master station-centralized feed line automatization system transmission, and controls the load that this master station-centralized feed line automatization system follows the tracks of troubleshooting process, transfer is not powered；
Step 5.2, when power distribution automation main station judging Fault Isolation exception in described step 3.5, step 3.6；This power distribution automation main website controls this Fault Isolation abnormal signal that distributed feed line automatization system is correlated with on the spot to described master station-centralized feed line automatization system transmission, and control this master station-centralized feed line automatization system tracking troubleshooting process, complete Fault Isolation transfer load；
Step 5.3, in described step 3.7 power distribution automation main station judging this when distributed feed line automatization system is not actuated on the spot；This power distribution automation main website controls this master station-centralized feed line automatization system and follows the tracks of troubleshooting process, startup separator isolation transfer load.
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| CN104280666A (en) * | 2014-10-29 | 2015-01-14 | 国网上海市电力公司 | Auxiliary load transfer decision system used after medium voltage distribution network line breaks down |
| CN105224667B (en) * | 2015-10-10 | 2018-08-14 | 国家电网公司 | Multistation end fault diagnosis based on power grid intelligent monitoring information and aid decision-making method |
| CN106208391B (en) * | 2016-09-18 | 2019-04-12 | 国电南瑞科技股份有限公司 | A kind of centralization based on distribution CPS with distribution FA cooperates with fault handling method |
| CN107069707B (en) * | 2017-03-10 | 2019-08-30 | 南京海兴电网技术有限公司 | A kind of feeder automation fault handling method |
| CN107196279B (en) * | 2017-07-19 | 2019-04-30 | 湖南世优电力科技股份有限公司 | Intelligent distribution network resultant fault localization method |
| 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 |
| CN112421629A (en) * | 2020-11-27 | 2021-02-26 | 广东电网有限责任公司佛山供电局 | Self-adaptive distributed feeder automation fault processing method |
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