CN107785893A - 220kV and following power network a kind of remote signalling error analysis methodology - Google Patents

220kV and following power network a kind of remote signalling error analysis methodology Download PDF

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Publication number
CN107785893A
CN107785893A CN201711166587.3A CN201711166587A CN107785893A CN 107785893 A CN107785893 A CN 107785893A CN 201711166587 A CN201711166587 A CN 201711166587A CN 107785893 A CN107785893 A CN 107785893A
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CN
China
Prior art keywords
data
switch
remote signalling
information
power network
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Pending
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CN201711166587.3A
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Chinese (zh)
Inventor
任杰
刘琪琛
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State Grid Sichuan Electric Power Co Ltd
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State Grid Sichuan Electric Power Co Ltd
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Priority to CN201711166587.3A priority Critical patent/CN107785893A/en
Publication of CN107785893A publication Critical patent/CN107785893A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The invention discloses a kind of 220kV and the remote signalling error analysis methodology of following power network, comprise the following steps:A, data are obtained, the data include switch, earthing knife-switch, disconnecting link information data;B, N number of data in switch, earthing knife-switch, disconnecting link information data are added based on a principle for being spaced at least one cut-off point and is more than or equal to 0 come interblock gap information, the N;C, judge interval and the cut-off point of data message, and judged based on a principle for being spaced at least one cut-off point and reject wrong data;D, a transformer station is formed to interval information to judge its information correctness.It can effectively solve the problems, such as that, because state estimation calculating deviation is very big caused by equipment remote signalling mistake, its remote signalling mistake can be found in time;Exclude the factor that hand inspection is wasted time and energy simultaneously.

Description

220kV and following power network a kind of remote signalling error analysis methodology
Technical field
The present invention relates to power equipment information analysis techniques field, and in particular to the remote signalling of a kind of 220kV and following power network Error analysis methodology.
Background technology
Present power network is due to very huge, for various reasons, as channel disturbance causes data distortion, transformer or measurement Device damage, system maintenance cause not in time direction reversely etc., some measurement telemetries of power system are distant possibly remote from its true value Believe that result may also be wrong.These, which are measured, is referred to as bad data or bad data.
Find wherein there is a kind of result of calculation of situation meeting strong influence state estimation by observing for a long time.That is just It is that remote signalling mistake will cause topological analysis mistake, it is clear that state estimation result can be had a strong impact on.State estimation in equipment remote signalling not When correct:Such as originally in the switch of closing position, but become separating brake after sending back main website due to remote signalling equipment Position, then state estimation further would not be calculated again in this position of the switch, is directly thrown away and is switched following place Convergent iterations calculate.In turn if this switch is a point position, originally without any data, but remote-measuring equipment has passed number back According to, then result of calculation is also mistake in this case.
Its high surprising of percentage error calculated, if it is left to occur that 20% can be reached in this case for 220kV circuits Right deviation, because often below 220kV also has many connection transformer stations.Its deviation of 110kV circuit also has 5%-8% left The right side, state estimation throw away following transformer station do not calculate in fact.
And due to power network it is huge manually searched and analyzed take time and effort very much, 34 transformer stations will spend 2 Completion could manually be searched within more hours whether due to caused by remote signalling problem.It is so necessary for such case research and development one Money software is to find out state estimation mistake caused by remote signalling problem.
The content of the invention
In order to solve the above-mentioned technical problem the present invention provides the remote signalling error analysis methodology of a kind of 220kV and following power network.
The present invention is achieved through the following technical solutions:
A kind of 220kV and following power network remote signalling error analysis methodology, comprise the following steps:
A, data are obtained, the data include switch, earthing knife-switch, disconnecting link information data;
B, based on a principle for being spaced at least one cut-off point along with N number of in switch, earthing knife-switch, disconnecting link information data Data carry out interblock gap information, and the N is more than or equal to 0;
C, judge interval and the cut-off point of data message, and judged based on a principle for being spaced at least one cut-off point And reject wrong data;
D, a transformer station is formed to interval information to judge its information correctness.
Using this programme, 220kV and following power network remote signalling mistake can be analyzed and intelligently find out error reason, it is sent out Existing mistake includes two kinds:First:In former error in data caused by automation operation maintenance personnel input database, power network is caused Node signal incorporate into it is incorrect caused by facility information mistake, this mistake can cause to connect between spacing devices to go wrong, Cause state estimation inaccurate.Second:The data that its transformer station measurement and control device in equipment operation sends terminal server to are wrong By mistake, this is that its gathered data mistake causes, such as transformer substation switch, disconnecting link, grounding switch, neutral point earthing knife-switch, main shift etc. The mistake of remote signalling, it will also result in state estimation inaccuracy.This method can be solved effectively due to state caused by equipment remote signalling mistake Estimation calculates the problem of deviation is very big, can find its remote signalling mistake in time;Exclude the factor that hand inspection is wasted time and energy simultaneously.
Preferably, the step D is specially:Interval information is combined according to circuit, main transformer, capacitor, bus equipment Judged again into a transformer station, including to circuit in the case where there is telemetry to pass back, its switch, disconnecting link, earthing knife-switch it Between correlation judgement.
Preferably, the CIME models that the step A is generated using electric power scheduling automatization system OPEN-3000 are to data It is acquired.
Preferably, in step B, when judging data message for wrong data, using independent data database storing simultaneously Feed back to client.
Preferably, in step D, if interval information is error message, independent data database storing and anti-is utilized Feed client.
The present invention compared with prior art, has the following advantages and advantages:
1st, the present invention can be solved the problems, such as effectively because state estimation calculating deviation is very big caused by equipment remote signalling mistake, can To find its remote signalling mistake in time;Exclude the factor that hand inspection is wasted time and energy simultaneously.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment, the present invention is made Further to describe in detail, exemplary embodiment of the invention and its explanation are only used for explaining the present invention, are not intended as to this The restriction of invention.
Embodiment 1
A kind of 220kV and following power network remote signalling error analysis methodology, comprise the following steps:
A, data are obtained, the data include switch, earthing knife-switch, disconnecting link information data;
B, based on a principle for being spaced at least one cut-off point along with N number of in switch, earthing knife-switch, disconnecting link information data Data carry out interblock gap information, and the N is more than or equal to 0;
C, judge interval and the cut-off point of data message, and judged based on a principle for being spaced at least one cut-off point And reject wrong data;
D, a transformer station is formed to interval information to judge its information correctness.
Embodiment 2
The above method is described in detail for principle based on above-described embodiment, this programme citing.
A, data are obtained, the data include switch, earthing knife-switch, disconnecting link information data;Electric power scheduling automatization system can be passed through The CIME models of OPEN-3000 generations are acquired to data.
B, at least one cut-off point i.e. principle of disconnecting link is spaced along with switch, earthing knife-switch, disconnecting link Information Number based on one N number of data carry out interblock gap information in, and the N is more than or equal to 0;When judging data message for wrong data, using independent Data database storing simultaneously feeds back to client, is easy to carry out processing and afterwards wrong inquiry in time;
C, judge interval and the cut-off point of data message, and judged based on a principle for being spaced at least one cut-off point And reject wrong data;
D, interval information is combined into a transformer station according to circuit, main transformer, capacitor, bus equipment again to be judged, Including to circuit in the case where there is telemetry to pass back, the judgement of the correlation between its switch, disconnecting link, earthing knife-switch.If It is error message every information, then using independent data database storing and feeds back to client, realizes Real-time Alarm and and just In inquiring about afterwards.
This method can be write using JAVA, to reach the purpose of cross-platform operation.Can be by obtaining in real time by this method The remote signalling and telemetry taken reconfigures equipment, error message can be eliminated when equipment malunion is true to inform monitoring And automation personnel, time update database, correcting device tie point.And after database error information is rejected, then to current Equipment state carries out analysis calculating, finds out the whether wrong presence of current device state, including:On off state mistake, disconnecting link position Put incorrect, grounding switch positional fault, bus earthing knife-switch mistake, neutral point earthing knife-switch mistake.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include Within protection scope of the present invention.

Claims (5)

1. a kind of 220kV and following power network remote signalling error analysis methodology, it is characterised in that comprise the following steps:
A, data are obtained, the data include switch, earthing knife-switch, disconnecting link information data;
B, based on a principle for being spaced at least one cut-off point along with N number of data in switch, earthing knife-switch, disconnecting link information data Carry out interblock gap information, the N is more than or equal to 0;
C, judge interval and the cut-off point of data message, and judge and pick based on a principle for being spaced at least one cut-off point Except wrong data;
D, a transformer station is formed to interval information to judge its information correctness.
2. a kind of 220kV according to claim 1 and following power network remote signalling error analysis methodology, it is characterised in that institute Stating step D is specially:Interval information is combined into a transformer station according to circuit, main transformer, capacitor, bus equipment again to be sentenced It is disconnected, including to circuit in the case where there is telemetry to pass back, the judgement of the correlation between its switch, disconnecting link, earthing knife-switch.
3. a kind of 220kV according to claim 1 and following power network remote signalling error analysis methodology, it is characterised in that institute Step A is stated to be acquired data using the CIME models of electric power scheduling automatization system OPEN-3000 generations.
4. a kind of 220kV according to claim 1 and following power network remote signalling error analysis methodology, it is characterised in that step In rapid B, when judging data message for wrong data, using independent data database storing and client is fed back to.
5. a kind of 220kV according to claim 1 and following power network remote signalling error analysis methodology, it is characterised in that step In rapid D, if interval information is error message, using independent data database storing and client is fed back to.
CN201711166587.3A 2017-11-21 2017-11-21 220kV and following power network a kind of remote signalling error analysis methodology Pending CN107785893A (en)

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Application Number Priority Date Filing Date Title
CN201711166587.3A CN107785893A (en) 2017-11-21 2017-11-21 220kV and following power network a kind of remote signalling error analysis methodology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711166587.3A CN107785893A (en) 2017-11-21 2017-11-21 220kV and following power network a kind of remote signalling error analysis methodology

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102621944A (en) * 2012-02-23 2012-08-01 江苏省电力公司泰州供电公司 Automatic checkout system for transformer substation remote signaling function
CN103346617A (en) * 2013-07-11 2013-10-09 国家电网公司 Error logical judgment prevention system and judgment method considering multiple constraint conditions
CN103595137A (en) * 2013-11-25 2014-02-19 国家电网公司 Method for achieving transformer substation topology network telecommand data identification
CN106571689A (en) * 2016-11-23 2017-04-19 国网福建省电力有限公司 Online monitoring system for diagnosing substation telemetering fault based on multi-data source comparison technology
CN106655508A (en) * 2016-12-08 2017-05-10 国网浙江省电力公司温州供电公司 New remote checking method for transformer substation monitoring system improvement

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102621944A (en) * 2012-02-23 2012-08-01 江苏省电力公司泰州供电公司 Automatic checkout system for transformer substation remote signaling function
CN103346617A (en) * 2013-07-11 2013-10-09 国家电网公司 Error logical judgment prevention system and judgment method considering multiple constraint conditions
CN103595137A (en) * 2013-11-25 2014-02-19 国家电网公司 Method for achieving transformer substation topology network telecommand data identification
CN106571689A (en) * 2016-11-23 2017-04-19 国网福建省电力有限公司 Online monitoring system for diagnosing substation telemetering fault based on multi-data source comparison technology
CN106655508A (en) * 2016-12-08 2017-05-10 国网浙江省电力公司温州供电公司 New remote checking method for transformer substation monitoring system improvement

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Title
丁田隆,等: ""基于OPEN3000的遥信误动误报分析处理系统"", 《电气开关》 *
刘雪飞: ""新建集控中心投运前信息量的核对"", 《电世界》 *
吴彬,等: ""基于IEC61970标准的设备间隔管理的应用研究"", 《华北电力技术》 *

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