CN111509839A - Trip event model analysis method based on alarm signal - Google Patents
Trip event model analysis method based on alarm signal Download PDFInfo
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- CN111509839A CN111509839A CN202010142997.XA CN202010142997A CN111509839A CN 111509839 A CN111509839 A CN 111509839A CN 202010142997 A CN202010142997 A CN 202010142997A CN 111509839 A CN111509839 A CN 111509839A
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- 238000004458 analytical method Methods 0.000 title claims abstract description 30
- 238000012544 monitoring process Methods 0.000 claims abstract description 56
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000012423 maintenance Methods 0.000 claims abstract description 5
- 238000010586 diagram Methods 0.000 claims abstract description 4
- 238000011160 research Methods 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 abstract 1
- 241001122767 Theaceae Species 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
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- 238000004171 remote diagnosis Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04S10/16—Electric power substations
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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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
Abstract
The invention provides a trip incident model analysis method based on an alarm signal, which comprises the following steps: 1) acquiring transformer substation monitoring signal information and standard monitoring signal specification documents, sorting standard monitoring signals, and combing the corresponding relation between the monitoring signals and the standard signals; 2) acquiring information such as an equipment account, an operation mode, a transformer substation primary wiring diagram and the like to establish an equipment topological relation; 3) acquiring relevant information of the whole process of historical tripping events such as monitoring signal historical alarm, regulation and control logs, maintenance records and the like, and establishing a tripping event chemical analysis model by combining information such as expert experience, signal study and judgment specifications and the like; 4) and comparing the monitoring signal acquired in real time with the condition of the tripping event model, determining that a certain event occurs when the condition is met, and meanwhile, assisting in judging that the signal is abnormally sent out. The trip incident model analysis method based on the alarm signal is accurate, visual and easy to use.
Description
Technical Field
The invention relates to a trip incident model analysis method based on an alarm signal.
Background
Along with the continuous deepening of the centralized monitoring of the transformer substation, the number of unattended stations is increased, the unattended remote monitoring of transformer substation equipment is widely applied, primary and secondary equipment monitoring data are intensively monitored by a regulation and control main station, and the remote diagnosis of the equipment operation is challenged by massive equipment monitoring data with the single-day monitoring alarm information quantity reaching ten thousand levels. At present, the condition of the operating equipment is judged only by a monitor worker according to monitoring data experience, faults and abnormal events of the operating equipment are intelligently judged in the absence of corresponding technical means, a large amount of on-site operation and maintenance special inspection work exists, and the influence on a power grid and the expansion of the events of the power grid equipment are possibly caused by untimely judgment.
Disclosure of Invention
The invention aims to provide a trip incident model analysis method based on an alarm signal, which saves the time for monitoring personnel to analyze a power grid event and improves the accuracy of event analysis and the efficiency of event handling.
In order to solve the technical problems, the invention is realized by the following technical scheme: a trip incident model analysis method based on alarm signals comprises the following steps:
A. acquiring a standard monitoring signal document, and formulating a standard monitoring signal; acquiring transformer substation monitoring signal information, sorting all standard and normative original monitoring signals according to transformer substation types, wiring modes, intervals and equipment information, and associating the standard monitoring signals with established standard monitoring signals;
B. acquiring equipment account, an operation mode and substation primary wiring diagram information, establishing an equipment topological relation by taking the equipment as a center, and providing a current power grid equipment operation state and a connection relation for tripping incident model analysis;
C. acquiring relevant information of the whole process of historical events of historical alarm, regulation and control log and maintenance record of monitoring signals, combining expert experience and information of signal research and judgment specifications, and establishing an event analysis model by monitoring different signals sent under different conditions in voltage level, wiring mode, protection equipment configuration and operation mode;
D. and comparing the alarm signal, the current running state of the power grid and the related information of the current transformer substation which are acquired in real time with the related parameters of the event analysis model, and judging that a certain tripping event occurs if the parameter requirements of the event analysis model are met.
Preferably, when the original signal monitoring signal is associated with the standard signal in the step a, classification and identification are performed by using information of a voltage class, an interval name and an equipment number to which the signal belongs to perform corresponding association.
Preferably, in the step C, the event modeling includes, according to actual situations in the field: the method comprises the following steps of setting relevant parameters of a tripping event model under each condition according to information of substation types, wiring mode types, event occurrence probability, important monitoring signals, signal uploading time redundancy, signal pre-judging event manuals and artificial experience.
Compared with the prior art, the invention has the advantages that:
firstly, the time for monitoring personnel to analyze the power grid event is saved. Through combing the monitoring signals of the transformer substation and analyzing events, monitoring personnel can check the event analysis results and directly check related information through the association relationship, so that the time for the monitoring personnel to analyze the events is shortened, and the accuracy of the event analysis is ensured.
And secondly, operating equipment faults and abnormal events are intelligently judged by means of corresponding technical means, and monitoring personnel only need to check analysis results, so that the working cost of the monitoring personnel can be reduced, and the working efficiency is improved.
And thirdly, automatically performing event analysis on the real-time alarm signal, accelerating the speed of processing the power grid event by monitoring personnel, processing the power grid tripping event in time, reducing the influence caused by the power grid accident to the maximum extent and ensuring the safe operation of the power grid equipment.
Drawings
Fig. 1 is a flow chart of step a of a trip incident model analysis method based on an alarm signal according to the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
A trip incident model analysis method based on alarm signals comprises the following steps:
A. as shown in fig. 1, a standard monitoring signal document is obtained, and a standard monitoring signal is formulated; acquiring transformer substation monitoring signal information, sorting all standard and normative original monitoring signals according to transformer substation types, wiring modes, intervals and equipment information, and associating the standard monitoring signals with established standard monitoring signals; when the original signal monitoring signal is associated with the standard signal, classifying and identifying the original signal monitoring signal by means of the information of the voltage class, the interval name and the equipment number of the signal to perform corresponding association; for example: a 10kV tea signal line and tea 83 switch protection reclosing outlet, wherein the voltage level is 10kV, the tea signal line is named at intervals, the switch is numbered with the tea 83, and a general signal describes the switch protection reclosing outlet;
B. acquiring equipment account, an operation mode and substation primary wiring diagram information, establishing an equipment topological relation by taking the equipment as a center, and providing a current power grid equipment operation state and a connection relation for tripping incident model analysis;
C. acquiring relevant information of the whole process of historical events of historical alarm, regulation and control log and maintenance record of monitoring signals, combining expert experience and signal study and judgment standard information, and establishing an event analysis model according to different monitoring signals sent by different voltage levels, wiring modes, protection equipment configuration and operation modes under different conditions, wherein the relevant information comprises the following steps: the method comprises the following steps of (1) making relevant parameters of a tripping event model under each condition according to information of substation type, wiring mode type, event occurrence probability, important monitoring signals, signal uploading time redundancy, a signal pre-judging event manual and artificial experience;
D. and comparing the alarm signal, the current running state of the power grid and the related information of the current transformer substation which are acquired in real time with the related parameters of the event analysis model, and judging that a certain tripping event occurs if the parameter requirements of the event analysis model are met.
The invention integrates and displays the basic information in a scene eventing mode on the basis of integrating the service data, organically fuses the monitoring alarm through specific logic and manual experience to establish a model base, comprehensively analyzes the relevant data of each system, automatically establishes the incidence relation between the originally discrete and large amount of monitoring alarm information and the standard monitoring signal according to the relation between the signals, the power grid topological model and the operation characteristics of equipment, realizes the equipment monitoring signal cluster display taking the power grid event as the center, leads the operation personnel to concentrate on the effective alarm which really reflects the hidden danger of the power grid equipment, is favorable for discovering the abnormal operation problem of various equipment of the transformer substation in time, and further ensures the stability and the safety of the power grid.
The above description is only an embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the technical field of the present invention by those skilled in the art are covered by the claims of the present invention.
Claims (3)
1. A trip incident model analysis method based on alarm signals is characterized in that: the method comprises the following steps:
A. acquiring a standard monitoring signal document, and formulating a standard monitoring signal; acquiring transformer substation monitoring signal information, sorting all standard and normative original monitoring signals according to transformer substation types, wiring modes, intervals and equipment information, and associating the standard monitoring signals with established standard monitoring signals;
B. acquiring equipment account, an operation mode and substation primary wiring diagram information, establishing an equipment topological relation by taking the equipment as a center, and providing a current power grid equipment operation state and a connection relation for tripping incident model analysis;
C. acquiring relevant information of the whole process of historical events of historical alarm, regulation and control log and maintenance record of monitoring signals, combining expert experience and information of signal research and judgment specifications, and establishing an event analysis model by monitoring different signals sent under different conditions in voltage level, wiring mode, protection equipment configuration and operation mode;
D. and comparing the alarm signal, the current running state of the power grid and the related information of the current transformer substation which are acquired in real time with the related parameters of the event analysis model, and judging that a certain tripping event occurs if the parameter requirements of the event analysis model are met.
2. The method of claim 1 for trip incident model analysis based on alarm signals, wherein: and B, when the original signal monitoring signal is associated with the standard signal in the step A, classifying and identifying the original signal monitoring signal by means of the information of the voltage class, the interval name and the equipment number of the signal to perform corresponding association.
3. The method of claim 1 for trip incident model analysis based on alarm signals, wherein: and C, establishing an incident model in the step C, wherein the incident model comprises the following steps according to the actual situation of the scene: the method comprises the following steps of setting relevant parameters of a tripping event model under each condition according to information of substation types, wiring mode types, event occurrence probability, important monitoring signals, signal uploading time redundancy, signal pre-judging event manuals and artificial experience.
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| CN202010142997.XA CN111509839A (en) | 2020-03-04 | 2020-03-04 | Trip event model analysis method based on alarm signal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112906389A (en) * | 2021-02-04 | 2021-06-04 | 云南电网有限责任公司昆明供电局 | Fault trip discrimination method based on multi-dimensional data analysis |
| CN113326875A (en) * | 2021-05-27 | 2021-08-31 | 广东电网有限责任公司东莞供电局 | Distribution network comprehensive intelligent alarm method, device and storage medium |
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| CN110263172A (en) * | 2019-06-26 | 2019-09-20 | 国网江苏省电力有限公司南京供电分公司 | A kind of evented autonomous classification method of power system monitor warning information |
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2020
- 2020-03-04 CN CN202010142997.XA patent/CN111509839A/en active Pending
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| CN107230160A (en) * | 2017-05-08 | 2017-10-03 | 国网江西省电力公司电力科学研究院 | A kind of 10kV line trippings wrong report is intelligent to judge implementation method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112906389A (en) * | 2021-02-04 | 2021-06-04 | 云南电网有限责任公司昆明供电局 | Fault trip discrimination method based on multi-dimensional data analysis |
| CN112906389B (en) * | 2021-02-04 | 2022-08-26 | 云南电网有限责任公司昆明供电局 | Fault trip discrimination method based on multi-dimensional data analysis |
| CN113326875A (en) * | 2021-05-27 | 2021-08-31 | 广东电网有限责任公司东莞供电局 | Distribution network comprehensive intelligent alarm method, device and storage medium |
| CN113326875B (en) * | 2021-05-27 | 2023-11-03 | 广东电网有限责任公司东莞供电局 | Comprehensive intelligent alarm method, device and storage medium for distribution network |
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