CN104318492A - Real-time analysis assistant decision making system and information processing method for state estimation of power system - Google Patents
Real-time analysis assistant decision making system and information processing method for state estimation of power system Download PDFInfo
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- CN104318492A CN104318492A CN201410589389.8A CN201410589389A CN104318492A CN 104318492 A CN104318492 A CN 104318492A CN 201410589389 A CN201410589389 A CN 201410589389A CN 104318492 A CN104318492 A CN 104318492A
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- 238000010223 real-time analysis Methods 0.000 title claims abstract description 17
- 230000010365 information processing Effects 0.000 title claims abstract description 10
- 238000003672 processing method Methods 0.000 title claims abstract description 10
- 238000004458 analytical method Methods 0.000 claims abstract description 17
- 238000007405 data analysis Methods 0.000 claims abstract description 10
- 238000013075 data extraction Methods 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 238000012797 qualification Methods 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 8
- 238000007726 management method Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
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Abstract
The invention discloses a real-time analysis assistant decision making system and an information processing method for state estimation of a power system. The real-time analysis assistant decision making system for the state estimation of the power system comprises a power grid database, a data extraction unit, a data analysis unit and a display unit, wherein the data extraction unit is connected with the power grid database, the data analysis unit is connected with the data extraction unit, and the display unit is connected with the data analysis unit. The power grid database is connected with the data extraction unit through a system interface. The display unit can display generated various tables, charts, reports, report forms and other user interfaces. By the adoption of the real-time analysis assistant decision making system and the information processing method for state estimation, related data can be extracted from the power grid database through the system interface, bad data are filtered out according to data filtering, analysis is carried out on the data, the current operation state of the power system is analyzed, reason analysis is carried out on caused faults, the improved method is given, state estimation data are synthesized, assistant decisions are made, in this way, the state of the power system can be monitored in real time, and the accuracy of state estimation can be improved.
Description
Technical field
The present invention relates to a kind of Power system state estimation platform, particularly relate to a kind of Power system state estimation real-time analysis aid decision-making system and information processing method.
Background technology
Power system state estimation is one of Core Feature of the energy management system at electric power system dispatching center, and its function is the various measurement informations according to electric system, estimates the running status that electric system is current.The safety and economic operation of modern power network depends on energy management system, and numerous functions of energy management system can be divided into the off-line application two large divisions carrying out for electrical network real-time change the application on site analyzed and carry out for typical trend section analyzing.Power system state estimation is the real-time computer program and the algorithm that available redundant information (direct measuring value and other information) are changed into electric system current state estimated value, is also referred to as filtering.State estimation result carries out the requisite bases such as safety analysis, Dispatcher Power Flow and optimal load flow accurately, in the safety and economic operation of modern power network, have vital role.
For various reasons (as channel disturbance causes data distortion, mutual inductor or measurement equipment damage, and system maintenance causes direction reverse not in time), some measurement telemetry of electric system may away from its true value, and remote signalling result also may be wrong.These measurements are called bad data.Remote signalling mistake will cause topological analysis mistake, also can have a strong impact on state estimation result.How effectively identifying bad data, judge bad data Producing reason, and then solve the problem place of bad data generation, promote state estimation accuracy rate, is a focus direction of research at present.
Adopt E linguistic form that Data of State Estimation is uploaded to the webserver in prior art, so that company of prefectures and cities checks, analyzes, and then improve.This Data of State Estimation broad covered area, data volume is large, and data publication frequency is high, obviously can not rely on manual analysis completely.For current this situation, urgent need sets up a set of state estimation real-time analysis aid decision-making system, to realize downloading the Data of State Estimation of E document form, putting in storage, automatically identifies and shows bad data, assistant analysis bad data producing cause, aid decision making such as to be improved one's methods at the function.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of Power system state estimation real-time analysis aid decision-making system promoting state estimation accuracy rate.In order to solve the problems of the technologies described above, Power system state estimation real-time analysis aid decision-making system of the present invention, the display unit comprising electric network database and electric network database connection data extraction unit, the data analysis unit be connected with data extracting unit and be connected with data analysis unit; Electric network database is connected with data extracting unit by system interface; Described display unit can show the user interface such as all kinds of lists, chart, report, form of generation.
Described user interface comprises state estimation module, document management module, electrical network indicator-specific statistics enquiry module, daily paper module.
An information processing method for Power system state estimation real-time analysis aid decision-making system, performs step as follows:
(1) electric network database is accessed by system interface;
(2) according to communication protocol, from electric network database, electric power networks measurement data is extracted;
(3) bad data filtration is carried out to extracted data, the analysis of causes is carried out to the bad data extracted, provides analysis report;
(4) according to valid data, real-time status estimation is carried out to electric system;
(5) circuit early warning is carried out according to state estimation, the circuit that early warning may go wrong, for user's decision-making provides foundation;
(6) the day data qualification rate curve and line related early warning situation of state estimation qualification rate in one day is provided;
(7) integrated power system Data of State Estimation and bad data are added up and the analysis of causes, in conjunction with database data, carry out aid decision making to current power system running state.
After adopting above-mentioned state estimation real-time analysis aid decision-making system and information processing method, related data can be extracted from electric network database by system interface, according to data filtering, filtering bad data, data are resolved, analyze electric system current operating conditions, the analysis of causes is carried out to the fault occurred, and provide and improve one's methods, comprehensive state data estimator, provide aid decision making, thus can Real-Time Monitoring POWER SYSTEM STATE, promote state estimation accuracy rate.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present invention;
Fig. 2 is flow chart of data processing figure of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, Power system state estimation real-time analysis aid decision-making system of the present invention and information processing method are described in further detail.
As shown in the figure, Power system state estimation real-time analysis aid decision-making system of the present invention, the display unit comprising electric network database and electric network database connection data extraction unit, the data analysis unit be connected with data extracting unit and be connected with data analysis unit; Described electric network database is connected with data extracting unit by system interface; Said Data Analysis Services unit provides the ability of flexible resolution data processing configuration, directive/guide configuration; Data process&analysis can be carried out to the data gathered, provide analysis result, and ASSOCIATE STATISTICS is carried out to data characteristics; Display unit generates the user interfaces such as all kinds of list, chart, report, form according to definition, for user provides good readable effect;
Further, said user interface comprises state estimation module, document management module, electrical network indicator-specific statistics enquiry module, daily paper module; State estimation module mainly completes the state estimation to electric system, provides real-time early warning information, provides the data query of measurement amount, provides rank inquiry, provides a day data query, do not conform to lattice point record and do not conform to lattice point statistics; Daily paper module mainly provides system operation data and the related data statistics on the same day, the day data qualification rate curve of this area state estimation qualification rate in one day is provided, and line related early warning situation, the state estimation situation of this area can be got information about by this figure.Wherein flow chart of data processing figure as shown in Figure 2.
An information processing method for Power system state estimation real-time analysis aid decision-making system, performs step as follows:
(1) electric network database is accessed by system interface;
(2) according to communication protocol, from electric network database, electric power networks measurement data is extracted, as electric network swim data, fault data etc.;
(3) bad data filtration is carried out to extracted data, leach bad data, bad data curve map, scatter diagram, honeycomb figure etc. are shown, and further the analysis of causes is carried out to the bad data extracted, provide analysis report; Correct data then for state estimation, finally to provide aid decision making;
(4) carry out real-time status estimation according to valid data to electric system, and provide the real-time qualification rate rank of current each department inside the province, user can learn the rank of current this area state estimation in the whole province by this module;
(5) carry out circuit early warning according to state estimation, the circuit that early warning may go wrong, for user's decision-making provides foundation, be convenient to prevention and get rid of hidden danger in advance;
(6) realize the real-time qualification rate rank in each department inside the province with histogram, the day data qualification rate curve of regional state estimation qualification rate in one day is provided, and line related early warning situation;
(7) integrated power system Data of State Estimation and bad data are added up and the analysis of causes, in conjunction with database data, carry out aid decision making to current power system running state.
Claims (3)
1. a Power system state estimation real-time analysis aid decision-making system, is characterized in that: the display unit comprising electric network database and electric network database connection data extraction unit, the data analysis unit be connected with data extracting unit and be connected with data analysis unit; Described electric network database is connected with data extracting unit by system interface; Described display unit can show all kinds of lists of generation, chart, report, reports user interface.
2. according to Power system state estimation real-time analysis aid decision-making system according to claim 1, it is characterized in that: described user interface comprises state estimation module, document management module, electrical network indicator-specific statistics enquiry module, daily paper module.
3. an information processing method for Power system state estimation real-time analysis aid decision-making system, is characterized in that, performs step as follows:
(1) electric network database is accessed by system interface;
(2) according to communication protocol, from electric network database, electric power networks measurement data is extracted;
(3) bad data filtration is carried out to extracted data, the analysis of causes is carried out to the bad data extracted, provides analysis report;
(4) according to valid data, real-time status estimation is carried out to electric system;
(5) circuit early warning is carried out according to state estimation, the circuit that early warning may go wrong, for user's decision-making provides foundation;
(6) the day data qualification rate curve and line related early warning situation of state estimation qualification rate in one day is provided;
(7) integrated power system Data of State Estimation and bad data are added up and the analysis of causes, in conjunction with database data, carry out aid decision making to current power system running state.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106708008A (en) * | 2016-11-23 | 2017-05-24 | 云南电网有限责任公司电力科学研究院 | Power transmission and transformation equipment fault diagnosis system |
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| CN102882279A (en) * | 2012-10-26 | 2013-01-16 | 安徽省电力公司 | Real-time measurement and online analysis method for load of power grid |
| CN103400311A (en) * | 2013-08-13 | 2013-11-20 | 国家电网公司 | Power network service data analysis system |
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2014
- 2014-10-29 CN CN201410589389.8A patent/CN104318492A/en active Pending
Patent Citations (4)
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| CN102567412A (en) * | 2010-12-31 | 2012-07-11 | 上海久隆信息工程有限公司 | Method for processing computer-assisted network load analysis information |
| CN102882279A (en) * | 2012-10-26 | 2013-01-16 | 安徽省电力公司 | Real-time measurement and online analysis method for load of power grid |
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