CN102236841A - Method for handling accidents of electric power system - Google Patents
Method for handling accidents of electric power system Download PDFInfo
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- CN102236841A CN102236841A CN2011101768467A CN201110176846A CN102236841A CN 102236841 A CN102236841 A CN 102236841A CN 2011101768467 A CN2011101768467 A CN 2011101768467A CN 201110176846 A CN201110176846 A CN 201110176846A CN 102236841 A CN102236841 A CN 102236841A
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Abstract
The invention belongs to the professional field of intelligent power grids of electric power systems. By mainly utilizing a topology analysis technology, a simulating way and an operating way are obtained from a basic information platform and a power-off range including main primary devices and stations is rapidly analyzed; meanwhile, influences on the power-off range are given, wherein the influences on the power-off range include the loss load of the power-off range and the loss load of each station; a repairing plan and power-off checking service for equipment failures are provided; showing ways of a power-off range analyzing result include a table, a menu, a multi-theme picture and the like; and multiple starting ways of a power-off range analyzing procedure are provided and comprise three ways as follows: a manual starting way, a periodic starting way and an accident triggered starting way.
Description
Technical field
The invention belongs to field of power, relate to the method that a kind of power system accident is handled, specifically, is a kind of analytical approach of the scope that has a power failure.
Background technology
Modern power systems is in service, and the electric system large area blackout is the problem that need attract great attention.In the last few years, electric system both at home and abroad caused very big infringement because repeatedly large area blackout once took place stability disruption to national economy, made society and people's lives be subjected to very big influence.The operation of assurance power system safety and stability, just need do a detail analysis to the important load in the power failure scope, high-risk effects of load and loss load, when system breaks down or need do turnaround plan, to the surface analysis that has a power failure of the whole network system, provide some detailed power failure information.On the other hand,, how to take correct effective measures to dwindle the power failure scope as much as possible, shorten power off time, restore electricity early, become the problem of and prevention power system accident no less important in case electric system has an accident.
It is an extremely complicated real-time decision process that power system accident is handled, and has many probabilistic factors.Expert system is for the approach likely that provides is provided, this is the computer software that problem solving is carried out on the basis with domain-specialist knowledge and experience, has very big potentiality aspect complicated, uncertain information processing and the decision problem solving.
Summary of the invention
The objective of the invention is for transferring understanding system electriferous state promptly and accurately, particularly make things convenient for the yardman to understand the electriferous state of high-risk user or responsible consumer, and can make things convenient for the fast quick-recovery of yardman to power to power supply interrupted district, make loss be reduced to minimum to system.
The invention provides a kind of method of electronic system accident treatment, specifically, is a kind of analytical approach of the scope that has a power failure.This method is mainly utilized topological analysis technique, obtain the simulation and the method for operation from the Back ground Information platform, express-analysis power failure scope, comprise main primary equipment and factory station, provide the influence of power failure scope simultaneously, comprise loss load and each factory station loss load of power failure scope, the power failure inspection service of turnaround plan and equipment failure is provided.
Method according to a kind of power system accident of the present invention is handled comprises:
(1) data read, the data source of power failure surface analysis comprises: state estimation result, real time execution profile data, history run profile data and following mode data;
Described real time execution profile data refers to read current electric network model, read real-time remote signalling telemetry from data acquisition and supervisor control SCADA from state estimation, is used for the power failure information of the current electrical network of analytic statistics, or as simulating the basic section that is provided with;
Described history run profile data refers to obtain electrical network history run profile data from the historical data of preserving, and as analysis section, the information of this section comprises model information and data message;
Described following mode profile data refers to read the turnaround plan data, is provided with according to turnaround plan on the basis of current real time data section and generates following mode data section, is used to analyze the power failure that turnaround plan may cause and the loss of load;
(2) environmental variance setting, the simulated environment setting is an important subfunction of power failure surface analysis under the research mode, be meant on the basis of real-time profile data or following mode profile data, destination object is carried out the switching setting, to obtain required operation of power networks state, by power failure surface analysis program analog electrical network operation state is analyzed, obtained power failure equipments statistical information and loss load statistical information; Simulated environment is provided with function by man-machine interface, realizes that with interactive means simulated environment is provided with function and comprises four kinds of modes: line chart operation, figure drag function, be provided with in tabulation and the ground state recovery;
(3) high-risk user or responsible consumer definition, realize relation between responsible consumer or high-risk user and the supply line by the mode that in concerning the storehouse, defines, create responsible consumer or high-risk user definition form in concerning the storehouse, the content of this form comprises important load title, affiliated zone, user's character, belongs to responsible consumer or high-risk user and contact phone information;
(4) power failure surface analysis, the core of power failure surface analysis is the analysis of network tie lines, state according to electrical network tie lines annexation, isolating switch and disconnector, generate the calculating bus model of electrical network, analyze the electriferous state of grid equipment simultaneously, and divide electric island alive and electric dead island by the topological connection relation and the electriferous state of equipment, at the mid-not charged sign of uncharged equipment records; Wherein the source of equipment, isolating switch and disconnector state comprise state estimation real-time result of calculation, real time execution profile data and turnaround plan or simulated operation the result is set; The result who analyzes writes according to the needs that show and concerns in the storehouse, and the analysis of network tie lines can be handled the junction style at various factories station;
(5) analysis result is showed, power failure result statistics: according to the result of power failure surface analysis, power failure equipments, power failure factory station are added up, by circuit, bus, transformer, load and the responsible consumer of tabular form displaying dead electricity factory's station information and power failure, query and search function is easily supported in tabulation; Mode with topology coloring shows not charging equipment on factory's station line chart simultaneously; Analyze each factory's station power failure influence, pilot factory station and relevant information are showed in the mode of figure or tabulation;
Loss load statistics: analyze and statistics because operating equipment, turnaround plan arrangement and the network load loss amount that breaks down and cause comprise the whole network loss information on load and factory's station loss information on load; With the total load of picture picture element form displaying grid loss, show the loss load at each factory station with tabular form;
Historical results is showed: the number of times of display cycle analytical calculation, add up by Year/Month/Day respectively, each load number that has a power failure of analyzing, the load of each analytical calculation loss, the each factory station that has a power failure, the responsible consumer of each analytical calculation, the state of each analytical calculation switch and state of component equipment analyzed;
(6) accident pushes away multi-threaded picture: multi-threaded picture is meant the different aspect content of showing same subject content or same theme on same picture by the mode of multiwindow;
Pushing away the key word of multi-threaded picture by event number as the realization accident, is event number with the ID of a certain element, and the mode by messaging bus is issued to the power failure surface analysis and uses, and triggers power failure surface analysis program then; Defined accident includes only works as an element from running status displacement state out of service; Can release multi-threaded picture after finishing the power failure surface analysis, described multi-threaded picture comprises power outage report, power failure factory station line chart and power supply interrupted district figure; The power outage report comprises the accident origination point, the load information of sub-district, power supply power supply mode and the loss of have a power failure high-risk user or the responsible consumer that influences, the influence that has a power failure; The accident that comprises power failure factory station line chart takes place on the factory station, figure at place the detailed mode of connection in guilty culprit factory station is arranged, the change information of the back factory station topology coloring that has a power failure; Power supply interrupted district figure shows is that the approximate location of power supply interrupted district in geographic map, the scope of influence have cell range information much, influence.
The invention has the beneficial effects as follows: can analyze the system blackout zone fast, the information such as sub-district of showing power supply interrupted district, loss load, power failure in modes such as form, multi-threaded pictures to the yardman, make the yardman soon quick-recovery power to power supply interrupted district, making the economic loss of system be reduced to minimum, is the most useful effect to the supervision of high-risk user or responsible consumer electriferous state.
Description of drawings
The present invention is further described below in conjunction with accompanying drawing.
Fig. 1 is according to power failure surface analysis process flow diagram of the present invention.
Embodiment
Fig. 1 is according to power failure surface analysis process flow diagram of the present invention, and the implementation procedure of power failure surface analysis function well has been described, at first is reading of data, comprises system model and remote signalling remote measurement value; Be simulation setting then, the user is provided with cut-offfing of some electrical equipments so that simulate needs according to the demand of oneself; Be topological analysis again, topological wiring analysis is done by system, analyzing gets nowhere gets back to reading of data, analyzes and successfully jumps to the power failure surface analysis; The power failure surface analysis is to finish some uncharged equipment is made zone bit, does functions such as some Information Statistics; Be that the result shows at last, show the result, show the result with forms such as picture, forms simultaneously by multi-threaded picture mode.
Obtain electric network model from the Back ground Information platform, and use from real-time monitoring and intelligent alarm and to obtain the method for operation, by interface tool destination object is set on this basis, start the topology search analysis, point out the power failure scope in the mode of file and figure, comprise circuit, transformer, bus, load and responsible consumer.The power failure surface analysis can be divided into power failure surface analysis under the real-time mode and the power failure surface analysis under the research mode, for realizing this two patterns, can be divided into following functional module:
1, data read
The data source of power failure surface analysis mainly contains: state estimation result, real time data (SCADA), historical data, following mode data.
Real time execution profile data: read current electric network model, read real-time remote signalling telemetry from state estimation, can be used for the power failure information of the current electrical network of analytic statistics, also can be used as the basic section that simulation is provided with from SCADA.
The history run profile data: obtain electrical network history run profile data from the historical data CASE that preserves, as analysis section, the information of this section comprises model information and data message, mainly is the section that the user preserves Special Significance.
Following mode profile data: read the turnaround plan data, on the basis of current real time data section, be provided with and generate following mode data section, be used to analyze the power failure that turnaround plan may cause and the loss of load according to turnaround plan.
2, simulated environment setting
The simulated environment setting is an important subfunction of power failure surface analysis under the research mode, be meant on the basis of real-time profile data or following mode profile data, destination object (circuit, bus, transformer, switch) is carried out the switching setting, to obtain required operation of power networks state, by power failure surface analysis program analog electrical network operation state is analyzed, obtained power failure equipments statistical information and loss load statistical information.
Simulated environment is provided with function mainly by man-machine interface, realizes with interactive means, comprises following four kinds of modes:
Line chart operation: on can standing line chart or system load flow figure in factory destination object is carried out the switching operation.Mode of operation is as follows: click equipment on factory's station line chart or the system load flow figure by mouse right button, eject right-click menu, the pointing device state is provided with, in ejecting dialog box, be provided with, when circuit, transformer and bus are operated, man-machine Automatic Program is searched the switch tool that links to each other with circuit, transformer and bus and is presented in the dialog box, is defaulted as all to disconnect or all put and close, and the user can select to disconnect or closed switch tool by the check box before the switch tool title.Operating result is saved in the database object object and is provided with in the tabulation.
The figure drag function: open factory's station line chart and destination object tabulation simultaneously, the equipment that will pull in the point on factory's station line chart can be dragged to the equipment of choosing destination object to be provided with in the tabulation, and the switching of destination object is set in tabulation.
Be provided with in tabulation: the component type setting is divided into two classes, and the first kind is electric equipment element (circuit, transformer, a bus); Second class is an on-off element.The setting of electric equipment element is that the switching of element is selected, list electric equipment element all in the system (circuit, transformer, bus) by type with the form of form, the switching state of all elements can be set in this form, and can in form, change the switching state of element; The setting of on-off element is that the folding condition to switch is provided with, and lists the folding condition of all on-off elements in the system with the form of form, and can change the folding condition of all on-off elements in form.
Ground state is recovered: the user of service can be returned to original state fast after doing simulation power failure surface analysis, personnel easy to use are repeatedly sunykatuib analysis calculating on same initial section, obtains the result who needs.
3, high-risk or responsible consumer definition
Owing to do not comprise part 66kV or 10kV in the middle of the model of transferring on ground, and the user is concerned about this part user's electriferous state especially, so set up this part user and be very necessary to the relation of the circuit of its power supply that provides.
Realize relation between responsible consumer or high-risk user and the supply line by the mode that in concerning the storehouse, defines among the present invention, in concerning the storehouse, create responsible consumer or high-risk user definition form, have the important load title in this form, affiliated zone, user's character, belong to responsible consumer or high-risk user, information such as contact phone.
4, power failure surface analysis
The core of power failure surface analysis is the analysis of network tie lines, generate the calculating bus model of electrical network according to the state (dividing/close) of electrical network tie lines annexation, isolating switch and disconnector, analyze the electriferous state of grid equipment simultaneously, and divide electric island alive and electric dead island by the topological connection relation and the electriferous state of equipment, at the mid-not charged sign of uncharged equipment records.Wherein equipment, isolating switch and disconnector state source can be the real-time result of calculation or the SCADA collection result of state estimation, also can be the results that is provided with of turnaround plan or simulated operation.The result who has analyzed writes in the storehouse of D5000 according to the needs that show, has only certainly when the successful result of analysis just can write to concern in the storehouse.The analysis of network tie lines can be handled various factories station junction style.
5, analysis result output
Power failure result statistics: according to the result of power failure surface analysis, power failure equipments, power failure factory station are added up, by circuit, bus, transformer, load and the responsible consumer of tabular form displaying dead electricity factory's station information and power failure, query and search function is easily supported in tabulation.Mode with topology coloring shows not charging equipment on factory's station line chart simultaneously.Analyze each factory's station power failure influence, pilot factory station and relevant information are showed in the mode of figure or tabulation.
Loss load statistics: analyze and statistics because operating equipment, turnaround plan arrangement and the network load loss amount that breaks down and cause comprise the whole network loss information on load and factory's station loss information on load.Show the grid loss total load with picture picture element form, show the loss load at each factory station with tabular form.
Historical results is showed: the number of times of display cycle analytical calculation, add up by Year/Month/Day respectively, each load number that has a power failure of analyzing, the load of each analytical calculation loss, the each factory station that has a power failure, the responsible consumer of each analytical calculation, the state of each analytical calculation switch and state of component equipment analyzed.
6, concern the design in storehouse
Concern that the storehouse is to be used for information such as storage data source, result of calculation, power failure surface analysis management, data source information, for example, foregoing responsible consumer or high-risk user's definition; Result of calculation information, for example, the each user who has a power failure and the load number of loss, relation between high-risk user or responsible consumer and the stoppage in transit circuit has a power failure, be that some element stoppages in transit can cause which high-risk user or responsible consumer to have a power failure, some high-risk users or responsible consumer have a power failure by which element stoppage in transit to be caused; Power failure surface analysis admin table, this table mainly are that some information that are used for power outage is pushed away multi-threaded picture are carried out unified management, comprising event number, the accident report that will release number, the power supply interrupted district figure numbering that will release etc.
The result shows:
Method provided by the invention is showed the user to analysis result in several ways as much as possible, and exhibition method has picture, form, menu, file, figure etc.
1, picture exhibition can be divided into data read, environmental variance setting, power failure analytical calculation, four parts of interpretation of result on the key frame.Data read comprises reading state estimated result data, reads historical CASE data, reads three data sources of following mode data; Environmental variance is provided with and switches to the operation that some elements are removed to disconnect in a certain factory station; Whether the power failure analytical calculation includes, and the cycle starts, be provided with cycle length, power failure surface analysis working time, start-stop time, incident starts and manually start; Interpretation of result comprises the customer interrupted sum, statistical informations such as the high-risk number of users that has a power failure, power failure responsible consumer number, loss load number; The form as a result that is provided with that also has high-risk user and responsible consumer on the key frame.
The top of key frame enters the button of each details picture in addition respectively, comprises that statistical study picture, environmental variance are provided with picture, cut-off and power failure related image, analysis result picture, historical analysis result queries picture.
Click " statistical study " button ejection statistical study picture on the power failure surface analysis key frame, " day statistics ", " month statistics " and " year statistics " three forms of showing the power failure surface analysis on the picture respectively, the electric weight of day analysis times, analysis number of success, day available rate and loss every day that the statistics form is added up every day; Every month analysis times of moon statistics form statistics, the electric weight of analyzing number of success, month available rate and losing in every month; Year, the statistics form was added up annual analysis times, analysis number of success, year available rate and the electric weight that loses every year, and the electric weight that statistics is lost is the load of important load and high-risk load;
" environmental variance setting " button ejects environmental variance picture is set on the click power failure surface analysis key frame, listing switch on the picture puts and closes tabulation and switch is put and drawn up table, " switch is put and closed " form is that all put the tabulation of running the pass jointly, " switch is put out " is all tabulations of putting out switch, can the folding condition of switch be set by " the communication value " in the form, thereby power supply interrupted district or power supply area are set.
" cut-offfing related " button on the click power failure surface analysis key frame with power failure, the member who clicks upper left " component equipment tabulation " will eject a record in right frame, and the record on right side is the user profile that the member that clicks may cause power failure.
" cut-offfing related with power failure " button ejects and cut-offs and the power failure related image on the click power failure surface analysis key frame, the lower left of picture " responsible consumer " or " high-risk user " button, can list the member of responsible consumer, click arbitrary member, will in right frame, eject one or more record, the record that ejects is all elements that cause that the left side user has a power failure, when the little frame of clicking following " customer interrupted " front, left side just can filter out the user who does not stop, stay the user of power failure, when clicking the user who has a power failure, the record that shows in right frame all is not charged, is that the element on right side causes the user who is clicked to have a power failure.
Click " analysis result " button ejection analysis result picture on the power failure surface analysis key frame, analysis result is to list according to component type, is divided into the station result of power failure factory, power failure load result, power failure bus result, power failure unit result, power failure transformer result, power failure reactance/capacitor result, power failure important load result, the high-risk load result of power failure.Will be on the right side when clicking the arbitrary electrical equipment type in left side show with the form of form and list the electrical equipment that all the type have a power failure, the result of all forms is the last power failure result who analyzes.
Click " historical analysis result queries " button ejection historical analysis result queries picture on the power failure surface analysis key frame, the member that " important historical load information " on the left of clicking just can be listed important load, click the historical power failure information in detail that one of them member just can list this important load on the right side, details are the information with one minute point, on duty is to illustrate that this important load had a power failure at 0 o'clock, and on duty is not to illustrate that the load value of this important load was present numerical value at 0 o'clock.The member that " high-risk historical load information " on the left of clicking just can be listed high-risk load, click the historical power failure information in detail that one of them member just can list this high-risk load on the right side, details are the information with one minute point, on duty is that this high-risk load of explanation in 0 o'clock has a power failure, and on duty is not to illustrate that the load value of this high-risk load was present numerical value at 0 o'clock.The historical query interface of power failure surface analysis can provide inquiry mode flexibly and fast, realizes batch query, point-to-point inquiry or inquiry at times.
2, accident pushes away multi-threaded picture
Multi-threaded picture is meant the different aspect content of showing same subject content or same theme on same picture by the mode of multiwindow.It among the present invention the key word that pushes away multi-threaded picture by event number as the realization accident, ID with a certain element (transformer, circuit, load) is an event number, mode by messaging bus is issued to power failure surface analysis application, triggers power failure surface analysis program then.The accident that defines among the present invention has only the element of working as from running status displacement state out of service.
After finishing the power failure surface analysis, multi-threaded picture can be released, three theme pictures can be released among the present invention, the report of first power outage, it two is power failure factory station line charts, it three is power supply interrupted district figure.Have in the power outage report that accident occurs in point, the information such as load of the sub-district of the high-risk user of the influence that has a power failure or responsible consumer, the influence that has a power failure, power supply power supply mode, loss; Power failure factory station line chart be on accident factory station that the place takes place, the figure the detailed mode of connection in guilty culprit factory station is arranged, the variation information such as (uncharged electrical equipment displacement grey) of the back factory station topology coloring that has a power failure; Power supply interrupted district figure shows be the scope of the approximate location of power supply interrupted district in geographic map, influence have sub-district much, influence have which etc. information.
Invention has been described according to specific exemplary embodiment herein.It will be conspicuous carrying out suitable replacement to one skilled in the art or revise under not departing from the scope of the present invention.Exemplary embodiment only is illustrative, rather than to the restriction of scope of the present invention, scope of the present invention is by appended claim definition.
Claims (1)
1. the method handled of a power system accident is characterized in that comprising:
(1) data read, the data source of power failure surface analysis comprises: state estimation result, real time execution profile data, history run profile data and following mode data;
Described real time execution profile data refers to read current electric network model, read real-time remote signalling telemetry from data acquisition and supervisor control SCADA from state estimation, is used for the power failure information of the current electrical network of analytic statistics, or as simulating the basic section that is provided with;
Described history run profile data refers to obtain electrical network history run profile data from the historical data of preserving, and as analysis section, the information of this section comprises model information and data message;
Described following mode profile data refers to read the turnaround plan data, is provided with according to turnaround plan on the basis of current real time data section and generates following mode data section, is used to analyze the power failure that turnaround plan may cause and the loss of load;
(2) environmental variance setting, the simulated environment setting is an important subfunction of power failure surface analysis under the research mode, be meant on the basis of real-time profile data or following mode profile data, destination object is carried out the switching setting, to obtain required operation of power networks state, by power failure surface analysis program analog electrical network operation state is analyzed, obtained power failure equipments statistical information and loss load statistical information; Simulated environment is provided with function by man-machine interface, realizes that with interactive means simulated environment is provided with function and comprises four kinds of modes: line chart operation, figure drag function, be provided with in tabulation and the ground state recovery;
(3) high-risk user or responsible consumer definition, realize relation between responsible consumer or high-risk user and the supply line by the mode that in concerning the storehouse, defines, create responsible consumer or high-risk user definition form in concerning the storehouse, the content of this form comprises important load title, affiliated zone, user's character, belongs to responsible consumer or high-risk user and contact phone information;
(4) power failure surface analysis, the core of power failure surface analysis is the analysis of network tie lines, state according to electrical network tie lines annexation, isolating switch and disconnector, generate the calculating bus model of electrical network, analyze the electriferous state of grid equipment simultaneously, and divide electric island alive and electric dead island by the topological connection relation and the electriferous state of equipment, at the mid-not charged sign of uncharged equipment records; Wherein the source of equipment, isolating switch and disconnector state comprise state estimation real-time result of calculation, real time execution profile data and turnaround plan or simulated operation the result is set; The result who analyzes writes according to the needs that show and concerns in the storehouse, and the analysis of network tie lines can be handled the junction style at various factories station;
(5) analysis result is showed, power failure result statistics: according to the result of power failure surface analysis, power failure equipments, power failure factory station are added up, by circuit, bus, transformer, load and the responsible consumer of tabular form displaying dead electricity factory's station information and power failure, query and search function is easily supported in tabulation; Mode with topology coloring shows not charging equipment on factory's station line chart simultaneously; Analyze each factory's station power failure influence, pilot factory station and relevant information are showed in the mode of figure or tabulation;
Loss load statistics: analyze and statistics because operating equipment, turnaround plan arrangement and the network load loss amount that breaks down and cause comprise the whole network loss information on load and factory's station loss information on load; With the total load of picture picture element form displaying grid loss, show the loss load at each factory station with tabular form;
Historical results is showed: the number of times of display cycle analytical calculation, add up by Year/Month/Day respectively, each load number that has a power failure of analyzing, the load of each analytical calculation loss, the each factory station that has a power failure, the responsible consumer of each analytical calculation, the state of each analytical calculation switch and state of component equipment analyzed;
(6) accident pushes away multi-threaded picture: multi-threaded picture is meant the different aspect content of showing same subject content or same theme on same picture by the mode of multiwindow;
Pushing away the key word of multi-threaded picture by event number as the realization accident, is event number with the ID of a certain element, and the mode by messaging bus is issued to the power failure surface analysis and uses, and triggers power failure surface analysis program then; Defined accident includes only works as an element from running status displacement state out of service; Can release multi-threaded picture after finishing the power failure surface analysis, described multi-threaded picture comprises power outage report, power failure factory station line chart and power supply interrupted district figure; The power outage report comprises the accident origination point, the load information of sub-district, power supply power supply mode and the loss of have a power failure high-risk user or the responsible consumer that influences, the influence that has a power failure; The accident that comprises power failure factory station line chart takes place on the factory station, figure at place the detailed mode of connection in guilty culprit factory station is arranged, the change information of the back factory station topology coloring that has a power failure; Power supply interrupted district figure shows is that the approximate location of power supply interrupted district in geographic map, the scope of influence have cell range information much, influence.
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