CN103325019A - Event-driven power grid fault information judgment method - Google Patents

Event-driven power grid fault information judgment method Download PDF

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Publication number
CN103325019A
CN103325019A CN2013102839416A CN201310283941A CN103325019A CN 103325019 A CN103325019 A CN 103325019A CN 2013102839416 A CN2013102839416 A CN 2013102839416A CN 201310283941 A CN201310283941 A CN 201310283941A CN 103325019 A CN103325019 A CN 103325019A
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China
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accident
fault
switch
separating brake
electrical network
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CN2013102839416A
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CN103325019B (en
Inventor
赵家庆
张珂珩
苏大威
赵京虎
徐春雷
季胜鹏
钱科军
周绮
丁宏恩
唐胜
王晓东
彭晨辉
李春
田江
王鼎
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CHINA REALTIME DATABASE CO LTD
State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
Suzhou Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
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CHINA REALTIME DATABASE Co Ltd
State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
Suzhou Power Supply Co Ltd of Jiangsu Electric Power Co
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Priority to CN201310283941.6A priority Critical patent/CN103325019B/en
Publication of CN103325019A publication Critical patent/CN103325019A/en
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Abstract

The invention relates to an event-driven power grid fault information judgment method. When a power grid has a fault, a trigger is used for carrying out statistics on fault information; the fault is judged and analyzed according to the fault information and business rules; the analyzed result is stored in a database so as to be inquired by workers. The method is realized based on a relational database for recording static data of the power grid, and a real-time database for recording real-time data of the power grid in a dispatching automation system for monitoring the power grid. The method can replace a manual way to realize the event-driven power grid fault information judgment, and utilizes the holographic telemetry data stored in the real-time database to improve the abnormal data processing accuracy and efficiency, reduce work load needed by abnormal decision and lower the labor cost; at a higher level, the method realizes automation and intelligence of power grid operation processing, and guarantees safe and stable running of the power grid.

Description

Based on event driven electric network fault information determination methods
Technical field
The present invention relates to a kind of auxiliary putting back of power grid accident judgement of carrying out, relate to the dispatching automation of electric power systems field.
Background technology
Along with the propelling that State Grid Corporation of China's " large operation " builds, the electric system scale is increasing, and the electric substation of power system monitor center administration is also more and more.At present, power network schedule automation has reached higher level, and a large amount of remote measurement, remote signalling information under the normal and accident condition comprises equipment amount measurement information, switch breaker tripping and closing and protection and aut.eq. action message etc., all is stored.But each switch trip is frequent, and quantity of information is very large, needs failure message to be processed also a lot, so that the dispatcher has more visitors or business than one can attend to.And statistics and inquiry mode that existing dispatching system provides are more single, there is the situation of misrepresenting deliberately and failing to report, less with other application integration, when breaking down, the dispatcher can not navigate to the relevant topological diagram in trouble spot and the specifying information of relevant device rapidly.In this case, active demand is carried out auxiliary judgment, and is recorded exactly and add up based on the senior application of existing dispatch automated system behind switch trip, alleviate the operator on duty to judgement, record and the statistical work of representative accident trip condition.
Summary of the invention
The purpose of this invention is to provide a kind of ancillary staff's realization to quick, the accurate method of judging, analyzing and add up of electric network fault.
For achieving the above object, the technical solution used in the present invention is:
A kind of based on event driven electric network fault information determination methods, for ancillary staff when electrical network breaks down this fault is judged, analyzes, recorded and adds up, when described fault occurs in described electrical network, triggering is added up the information of described fault, according to described failure message and business rule described fault is declared, analyzed, and analysis result is deposited in the database for described staff's inquiry; The method realizes based on the real-time data base of the real time data of the relational database of the static data of the described electrical network of record in the dispatch automated system that described electrical network is monitored and the described electrical network of record, and it comprises that the data acquisition of (1) inquiry in the described relational database judge the total guard signal of accident of the type of described fault; Inquire about described real-time data base and obtain the real time data of described electrical network; (2) according to the total guard signal of described power grid accident and described real time data, in conjunction with described business rule described accident is judged, analyzed and adds up; (3) result of the described analysis of record is for described staff's inquiry.
In the such scheme, obtain the total guard signal of accident at described interval by electric pressure table, power plant and substation's information table, interval information table, isolating switch table, protection node table, the load meter circuit endpoint table of inquiring about described relational database.
Preferably, described fault comprises the fault of the switch in the interval of described electrical network.
Preferably, the described business rule of the fault of described switch being judged comprises
1. fault separating brake: the switch in the described interval is gate-dividing state, separating brake is T constantly, it is T ' that the total guard signal of described accident occurs constantly, if | T-T ' | value is in the first limiting time, and the t1 of T after constantly in second described switch close a floodgate, t2 second, separating brake occured again in interior described switch, and wherein t1<t2 thinks that then described switch is the situation of accident separating brake;
2. successful reclosing: the switch in the described interval is gate-dividing state, separating brake is T constantly, it is T ' that the total guard signal of described accident occurs constantly, if | T-T ' | value is in the first limiting time, and the t1 of T after constantly in second described switch close a floodgate, not have the remote measurement amount that separating brake and this moment are correlated with in this described interval be not 0 to described switch in t2 second, and wherein t1<t2 thinks that then described switch is the situation of successful reclosing;
3. normal separating brake: the switch in the described interval is gate-dividing state, separating brake is T constantly, if T constantly before or after first paragraph do not have the total guard signal of described accident to occur in the time, and relevant remote measurement amount second segment first value after the time in described interval is 0 or drift, thinks that then described switch is the situation of normal separating brake;
4. unusual separating brake: the switch in the described interval is gate-dividing state; separating brake is T constantly; if do not have the total guard signal of described accident to occur in the time at the first paragraph of T before or after the moment; and the relevant remote measurement amount in described interval is not 0 in second segment first value after the time, thinks that then described switch is the situation of unusual separating brake.
Preferably, the method realizes by the service end in the safe I district that is deployed in described electrical network and client; Described service end realizes the inquiry to described relational database and described real-time data base, and described fault is judged, analyzed, and the result is write in the described database; Described client provides inquiry to described service end to check described analysis result for described staff.
Preferably, described service end comprises access interface processing module, event subscription and processing module, accident judgement statistics execution module, re-computation module; Described access interface processing module is connected with described client and receives, analyzes the query requests of described client; Described event subscription and processing module are connected with described real-time data base and according to the event of subscribing in the described real-time data base it are analyzed the generation accident and judge statistics task; Described accident is judged that statistics execution module and described time subscribe to and processing module is connected and described accident is analyzed; Described re-computation module is connected with described access interface processing module and the generation accident is judged statistics task; Described accident is judged the statistics execution module and described accident is analyzed and analysis result is deposited in the described database according to described accident judgement statistics task.
Preferably, the method can with the safe III district that is deployed in described electrical network in scheduling management information system mutual and obtain the information of the equipment in the described electrical network.
Preferably, the method can be by the topological diagram that obtains described electrical network in the described dispatch automated system.
Because technique scheme is used, the present invention compared with prior art has following advantages: the present invention can substitute artificial mode and realize judging based on event driven electric network fault information, and the holographic telemetry of utilizing real-time data base to store, improve accuracy and the efficient of dealing of abnormal data, reduce the needed workload of abnormality juding, reduce cost of labor; Realize robotization, the intellectuality that operation of power networks is processed at higher level, ensure the safe and stable operation of electrical network.
Description of drawings
Accompanying drawing 1 is the deployment schematic diagram of the service end based on event driven electric network fault information determination methods of the present invention.
Accompanying drawing 2 is the interactive mode intention based on event driven electric network fault information determination methods of the present invention.
Embodiment
The invention will be further described below in conjunction with embodiment shown in the drawings.
Embodiment one: a kind of based on event driven electric network fault information determination methods, and for ancillary staff when electrical network breaks down this fault is judged, analyzes, recorded and adds up.
The method realizes by the service end in the safe I district that is deployed in electrical network and client, shown in accompanying drawing 1.In safe I district, set up failure message and judge statistical server, and increase on this basis the workstation that is connected with this failure message judgement statistical server, so that client to be installed.
In the prior art, adopt the dispatch automated system that is deployed in safe I district to the electrical network Real Time Monitoring, and in safe III district, dispose the facility information of scheduling management information system (OMS system) record electrical network, comprise maintenance information etc.
Put it briefly, this method is: when electrical network breaks down, trigger the information of fault is added up, according to failure message and business rule fault is declared, analyzed, and analysis result is deposited in the database for staff's inquiry.
The method based in the dispatch automated system that electrical network is monitored the record electrical network static data relational database and the record electrical network real time data real-time data base and realize.Its specific implementation comprises:
(1) the total guard signal of accident of the type of the data acquisition failure judgement in the querying relational databases; The inquiry real-time data base obtains the real time data of electrical network.Wherein, the total guard signal of accident obtains by electric pressure table, power plant and substation's information table, interval information table, isolating switch table, protection node table, the load meter circuit endpoint table of querying relational databases.
(2) according to the total guard signal of power grid accident and real time data, in conjunction with business rule accident is judged, analyzed and adds up.
The fault of the switch in the interval that is typically electrical network of fault.As example, the business rule that the fault of switch is judged comprises:
1. fault separating brake: the switch in the interval is gate-dividing state, separating brake is T constantly, it is T ' that the total guard signal of accident occurs constantly, if | T-T ' | value is in the first limiting time, and the t1 of T after constantly in second switch close a floodgate, t2 second, separating brake occured again in interior switch, and wherein t1<t2 thinks that then switch is the situation of accident separating brake;
2. successful reclosing: the switch in the interval is gate-dividing state, separating brake is T constantly, it is T ' that the total guard signal of accident occurs constantly, if | T-T ' | value is in the first limiting time, and the t1 of T after constantly in second switch close a floodgate, not have the relevant remote measurement amount of separating brake and this interval this moment be not 0 to switch in t2 second, and wherein t1<t2 thinks that then switch is the situation of successful reclosing;
3. normal separating brake: the switch in the interval is gate-dividing state, separating brake is T constantly, if T constantly before or after first paragraph do not have the total guard signal of accident to occur in the time, and relevant remote measurement amount second segment first value after the time in interval is 0 or drift, thinks that then switch is the situation of normal separating brake;
4. unusual separating brake: the switch in the interval is gate-dividing state; separating brake is T constantly; if do not have the total guard signal of accident to occur in the time at the first paragraph of T before or after the moment; and the relevant remote measurement amount in interval is not 0 in second segment first value after the time, thinks that then switch is the situation of unusual separating brake.
Above-mentioned separating brake moment T and guard signal occur constantly, and the timestamp of T ' is generally unified main website markers; And T and T ' magnitude relationship are unfixing.
(3) result of record analysis is for staff's inquiry.
Shown in accompanying drawing 2.Service end realizes the inquiry to relational database and real-time data base, and fault is judged, analyzed, with in the write into Databasce as a result; Client provides inquiry to service end to check analysis result for the staff.
Service end comprises access interface processing module, event subscription and processing module, accident judgement statistics execution module, re-computation module; The access interface processing module is connected with client and receives, analyzes the query requests of client; Event subscription and processing module are connected with real-time data base and according to the event of subscribing in the real-time data base it are analyzed the generation accident and judge statistics task; Accident is judged that statistics execution module and time subscribe to and processing module is connected and accident is analyzed; The re-computation module is connected with the access interface processing module and the generation accident is judged statistics task; Accident is judged the statistics execution module and accident is analyzed and analysis result is deposited in the database according to accident judgement statistics task.
And the major function of client comprises: 1) show in real time accident information with written form; 2) can carry out sequencing display to different accidents according to different screening conditions, screening conditions comprise electric pressure, transformer station, interval, time, isolating switch etc.; 3) accident information is made amendment and deletion action; 4) to the information of different conditions, add up demonstration such as successful reclosing, accident separating brake, unusual separating brake etc., the user is provided reference; 5) accident information is carried out carrying out the displaying of historical information by the differences such as time, electric pressure, transformer station, interval, isolating switch retrieval combination; 6) can derive by the combination of the different conditions such as time, electric pressure, transformer station, interval, isolating switch accident information, and save as the CSV formatted file.
Concrete workflow is: real-time data base constantly receives the remote signalling telemetry, when the event of subscribing to occurs, the notification module of real-time data base is with event notice event subscription and the processing module of subscribing to, event subscription and processing module are analyzed the event that receives, and the generation accident is judged statistics task, the accident of putting into is judged the statistics task formation, accident is judged taking-up task and the execution from the formation of accident judgement statistics task of statistics execution module, and execution result is deposited in the database.This process is the flow process that accident is judged.
When the user when client proposes the request of re-computation, accident judges that the statistics service interface is responsible for receiving the request that the user proposes, and sends it to access interface processing module.The access interface processing module is responsible for the request that receives is analyzed, and the result that will analyze is sent to the re-computation module.After the re-computation module is carried out analyzing and processing to the request that receives, generate an accident and judge statistics task, the accident that puts it into is judged the statistics task formation.As mentioned above, accident is judged taking-up task and the execution from the formation of accident judgement statistics task of statistics execution module, and its result is deposited in the database.
In addition, the method can with the safe III district that is deployed in electrical network in the OMS system interaction and obtain the information of the equipment in the electrical network; The method can be by the topological diagram that obtains electrical network in the dispatch automated system.
Above-described embodiment only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with technique can understand content of the present invention and according to this enforcement, can not limit protection scope of the present invention with this.All equivalences that Spirit Essence is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.

Claims (8)

1. one kind based on event driven electric network fault information determination methods, for ancillary staff when electrical network breaks down this fault is judged, analyzes, recorded and adds up, it is characterized in that: when described fault occurs described electrical network, triggering is added up the information of described fault, according to described failure message and business rule described fault is declared, analyzed, and analysis result is deposited in the database for described staff's inquiry; The method realizes based on the real-time data base of the real time data of the relational database of the static data of the described electrical network of record in the dispatch automated system that described electrical network is monitored and the described electrical network of record, and it comprises that the data acquisition of (1) inquiry in the described relational database judge the total guard signal of accident of the type of described fault; Inquire about described real-time data base and obtain the real time data of described electrical network; (2) according to the total guard signal of described power grid accident and described real time data, in conjunction with described business rule described accident is judged, analyzed and adds up; (3) result of the described analysis of record is for described staff's inquiry.
2. according to claim 1 based on event driven electric network fault information determination methods, it is characterized in that: obtain the total guard signal of accident at described interval by electric pressure table, power plant and substation's information table, interval information table, isolating switch table, protection node table, the load meter circuit endpoint table of inquiring about described relational database.
3. according to claim 1 based on event driven electric network fault information determination methods, it is characterized in that: described fault comprises the fault of the switch in the interval of described electrical network.
4. according to claim 3 based on event driven electric network fault information determination methods, it is characterized in that: the described business rule that the fault of described switch is judged comprises
1. fault separating brake: the switch in the described interval is gate-dividing state, separating brake is T constantly, it is T ' that the total guard signal of described accident occurs constantly, if | T-T ' | value is in the first limiting time, and the t1 of T after constantly in second described switch close a floodgate, t2 second, separating brake occured again in interior described switch, and wherein t1<t2 thinks that then described switch is the situation of accident separating brake;
2. successful reclosing: the switch in the described interval is gate-dividing state, separating brake is T constantly, it is T ' that the total guard signal of described accident occurs constantly, if | T-T ' | value is in the first limiting time, and the t1 of T after constantly in second described switch close a floodgate, not have the remote measurement amount that separating brake and this moment are correlated with in this described interval be not 0 to described switch in t2 second, and wherein t1<t2 thinks that then described switch is the situation of successful reclosing;
3. normal separating brake: the switch in the described interval is gate-dividing state, separating brake is T constantly, if T constantly before or after first paragraph do not have the total guard signal of described accident to occur in the time, and relevant remote measurement amount second segment first value after the time in described interval is 0 or drift, thinks that then described switch is the situation of normal separating brake;
4. unusual separating brake: the switch in the described interval is gate-dividing state; separating brake is T constantly; if do not have the total guard signal of described accident to occur in the time at the first paragraph of T before or after the moment; and the relevant remote measurement amount in described interval is not 0 in second segment first value after the time, thinks that then described switch is the situation of unusual separating brake.
5. according to claim 1 based on event driven electric network fault information determination methods, it is characterized in that: the method realizes by the service end in the safe I district that is deployed in described electrical network and client; Described service end realizes the inquiry to described relational database and described real-time data base, and described fault is judged, analyzed, and the result is write in the described database; Described client provides inquiry to described service end to check described analysis result for described staff.
6. according to claim 5 based on event driven electric network fault information determination methods, it is characterized in that: described service end comprises access interface processing module, event subscription and processing module, accident judgement statistics execution module, re-computation module; Described access interface processing module is connected with described client and receives, analyzes the query requests of described client; Described event subscription and processing module are connected with described real-time data base and according to the event of subscribing in the described real-time data base it are analyzed the generation accident and judge statistics task; Described accident is judged that statistics execution module and described time subscribe to and processing module is connected and described accident is analyzed; Described re-computation module is connected with described access interface processing module and the generation accident is judged statistics task; Described accident is judged the statistics execution module and described accident is analyzed and analysis result is deposited in the described database according to described accident judgement statistics task.
7. according to claim 1 based on event driven electric network fault information determination methods, it is characterized in that: the method can with the safe III district that is deployed in described electrical network in scheduling management information system mutual and obtain the information of the equipment in the described electrical network.
8. according to claim 1 based on event driven electric network fault information determination methods, it is characterized in that: the method can be by the topological diagram that obtains described electrical network in the described dispatch automated system.
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CN103679554A (en) * 2013-12-10 2014-03-26 国家电网公司 Power grid accident opening auxiliary analysis method
CN103700031A (en) * 2013-12-19 2014-04-02 国家电网公司 Electric power warning information publishing method in regulation and control integration mode
CN104504504A (en) * 2014-12-10 2015-04-08 江苏瑞中数据股份有限公司 Power grid data jumping detection and analysis system based on holographic time scale measurement
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CN108388653A (en) * 2018-03-01 2018-08-10 东方电子股份有限公司 Transformer station 10 kV outgoing line switchs the recognition methods of separating brake type
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CN111652497A (en) * 2020-05-29 2020-09-11 国电南瑞科技股份有限公司 Disconnecting link abnormal heating auxiliary decision system based on scheduling rules

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CN103514516B (en) * 2013-09-27 2015-04-29 国家电网公司 Method for obtaining power grid device failure information based on calculation of multi-source redundant information
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CN103679554A (en) * 2013-12-10 2014-03-26 国家电网公司 Power grid accident opening auxiliary analysis method
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CN106506628A (en) * 2016-11-02 2017-03-15 国网重庆市电力公司电力科学研究院 A kind of comprehensive operation management system information processing method of automation system for the power network dispatching
CN108229745A (en) * 2018-01-06 2018-06-29 浙江涵普电力科技有限公司 One kind is based on event driven electric network fault Forecasting Methodology
CN108388653A (en) * 2018-03-01 2018-08-10 东方电子股份有限公司 Transformer station 10 kV outgoing line switchs the recognition methods of separating brake type
CN108388653B (en) * 2018-03-01 2020-07-31 东方电子股份有限公司 Method for identifying opening type of 10kV outgoing line switch of transformer substation
CN108734418A (en) * 2018-06-13 2018-11-02 国网山东省电力公司蓬莱市供电公司 A kind of electric network fault statistical analysis system and its analysis method
CN111652497A (en) * 2020-05-29 2020-09-11 国电南瑞科技股份有限公司 Disconnecting link abnormal heating auxiliary decision system based on scheduling rules
CN111652497B (en) * 2020-05-29 2022-08-16 国电南瑞科技股份有限公司 Disconnecting link abnormal heating auxiliary decision system based on scheduling rules

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