CN102236841B - Method for handling accidents of electric power system - Google Patents
Method for handling accidents of electric power system Download PDFInfo
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- CN102236841B CN102236841B CN201110176846.7A CN201110176846A CN102236841B CN 102236841 B CN102236841 B CN 102236841B CN 201110176846 A CN201110176846 A CN 201110176846A CN 102236841 B CN102236841 B CN 102236841B
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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 a kind of method of power system accident process, specifically, is a kind of analytical approach of power failure range.
Background technology
During modern power systems runs, electric system large area blackout is the problem needing to attract great attention.In the last few years, once there is repeatedly large area blackout due to stability disruption in domestic and international electric system, causes very big infringement to national economy, and society and people's lives are greatly affected.Guarantee power system safety and stability runs, just need to do a detailed analysis to the impact of the important load in power failure range, high-risk load and loss load, at system jam or when needing to do turnaround plan, power failure range analysis is carried out to the whole network system, provides the outage information that some are detailed.On the other hand, once electric system has an accident, how to take correct effective measures to reduce power failure range as much as possible, shorten power off time, restore electricity early, become the problem of and prevention power system accident no less important.
Power system accident process is an extremely complicated Real-time Decision process, there is many probabilistic factors.Expert system provides an approach likely for addressing this problem, this computer software carrying out problem solving based on domain-specialist knowledge and experience, has very large potentiality solving in complicated, uncertain information processing and decision problem.
Summary of the invention
The object of the invention is the understanding system band electricity condition for transferring promptly and accurately, yardman is particularly facilitated to understand the electriferous state of high-risk user or responsible consumer, and the fast quick-recovery of yardman can be facilitated to power to power supply interrupted district, make to be reduced to minimum to the loss of system.
The invention provides a kind of method of electronic system accident treatment, specifically, is a kind of analytical approach of power failure range.The method mainly utilizes topological analysis technique, simulation and the method for operation is obtained from fundamental information platform, express-analysis power failure range, comprise main primary equipment and plant stand, provide power failure range impact simultaneously, comprise loss load and each plant stand loss load of power failure range, provide the power failure inspection of turnaround plan and equipment failure to serve.
According to the method for a kind of power system accident process of the present invention, comprising:
(1) digital independent, the data source of power failure range analysis comprises: state estimation result, real time execution profile data, history run profile data, and future path data;
Described real time execution profile data refers to read current electric grid model from state estimation, read real-time digital & analog signal data from data acquisition and supervisor control SCADA, for the outage information of analytic statistics current electric grid, or as the basic section that simulation is arranged;
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 future path profile data refers to read turnaround plan data, the basis of current real-time data section is arranged according to turnaround plan and generates future path data section, for analyzing the loss of power failure that turnaround plan may cause and load;
(2) environmental variance is arranged, it is the important subfunction that under research mode, power failure range is analyzed that simulated environment is arranged, refer on the basis of real-time profile data or future path profile data, switching setting is carried out to destination object, to obtain required operation of power networks state, by power failure range routine analyzer, simulating grid running status is analyzed, obtain power failure equipments statistical information and loss load statistical information; Simulated environment arranges function by man-machine interface, realizes in the mode of man-machine interaction, and simulated environment arranges function and comprises four kinds of modes: line chart operation, figure drag function, carry out arranging and ground state is recovered in lists;
(3) high-risk user or responsible consumer definition, responsible consumer or the relation between high-risk user and supply line is realized by the mode defined in relation storehouse, in relation storehouse, create responsible consumer or high-risk user's definition tables, the content of this form comprises important load title, affiliated region, user's character, belong to responsible consumer or high-risk user and contact phone information;
(4) power failure range analysis, the core of power failure range analysis is network topology analysis, according to the state of network wiring annexation, isolating switch and disconnector, generate the calculating bus model of electrical network, analyze the electriferous state of grid equipment simultaneously, and press the topological connection relation of equipment and electriferous state and divide electrically live island and electric dead island, be not with electrosemaphore uncharged equipment record is mid-; What wherein the source of equipment, isolating switch and disconnector state comprised the real-time result of calculation of state estimation, real time execution profile data and turnaround plan or simulated operation arranges result; The result analyzed needs in write relation storehouse according to display, and network topology analysis can process the junction style of various plant stand;
(5) analysis result is shown, power failure result is added up: the result analyzed according to power failure range, power failure equipments, power failure plant stand are added up, show the circuit of dead electricity power plant and substation's information and power failure, bus, transformer, load and responsible consumer by tabular form, query and search function is easily supported in list; On plant stand line chart, show not charging equipment in the mode of topology coloring simultaneously; Analyze each plant stand power failure impact, pilot plant stand and relevant information are shown in the mode of figure or list;
Loss load statistics: analyze and add up due to operating equipment, turnaround plan arrangement and the network load loss amount caused that breaks down, comprises the whole network loss information on load and plant stand loss information on load; Show the total load of grid loss with picture picture element form, show the loss load of each plant stand with tabular form;
Historical results is shown: the number of times of display cycle analytical calculation, add up by Year/Month/Day respectively, each load number analyzing power failure, the load of each analytical calculation loss, each plant stand analyzing power failure, the responsible consumer of each analytical calculation, each state of analytical calculation switch and the state of component equipment;
(6) accident pushes away multi-threaded picture: multi-threaded picture refers to the different aspect content of being shown same subject content or same subject on same picture by the mode of multiwindow;
Pushed away the key word of multi-threaded picture by event number as the accident of realization, with the ID of a certain element for event number, be issued to power failure range analytical applications by the mode of messaging bus, then trigger power failure range routine analyzer; The accident defined only includes when an element conjugates state out of service from running status; Can release multi-threaded picture after completing power failure range analysis, described multi-threaded picture comprises power outage report, power failure plant stand line chart and power supply interrupted district figure; Power outage report comprise accident origination point, have a power failure impact high-risk user or responsible consumer, have a power failure impact community, Power supply mode and loss load information; Power failure plant stand line chart comprise accident there is the plant stand at place, figure have the mode of connection that guilty culprit plant stand is detailed, have a power failure after the change information of plant stand topology coloring; Power supply interrupted district figure show be the approximate location of power supply interrupted district in geographic map, the scope of impact have much, impact cell range information.
The invention has the beneficial effects as follows: system blackout region can be analyzed fast, show the information such as community of power supply interrupted district, loss load, power failure to yardman in the mode such as form, multi-threaded picture, yardman can be powered to power supply interrupted district by quick-recovery soon, the economic loss of system being reduced to minimum, is the most useful effect to the supervision of high-risk user or responsible consumer electriferous state.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described.
Fig. 1 is according to power failure range analysis process figure of the present invention.
Embodiment
Fig. 1 is according to power failure range analysis process figure of the present invention, well describes the implementation procedure of power failure range analytic function, is first to read data, comprises system model and digital & analog signal value; Then be that simulation is arranged, user arranges cut-offfing of some electrical equipments to simulate needs according to the demand of oneself; Be topological analysis again, topological wiring analysis is done to system, analyze and unsuccessfully get back to reading data, analyze and successfully jump to power failure range analysis; Power failure range analysis makes zone bit to some uncharged equipment, does the functions such as some Information Statistics; Be finally that result is shown, show result by multi-threaded picture mode, show result with the form such as picture, form simultaneously.
Electric network model is obtained from fundamental information platform, and apply from real time monitoring and intelligent alarm and obtain the method for operation, on this basis by interface tool Offered target object, start topology search analysis, point out power failure range in the mode of file and figure, comprise circuit, transformer, bus, load and responsible consumer.Power failure range analysis can be divided into the power failure range analysis under real-time mode and the power failure range analysis under research mode, for realizing this two patterns, can be divided into following functional module:
1, digital independent
The data source of power failure range analysis mainly contains: state estimation result, real time data (SCADA), historical data, future path data.
Real time execution profile data: read current electric grid model from state estimation, read real-time digital & analog signal data from SCADA, can be used for the outage information of analytic statistics current electric grid, also can be used as the basic section that simulation is arranged.
History run profile data: obtain electrical network history run profile data from the historical data CASE preserved, as analysis section, the information of this section comprises model information and data message, and mainly user preserves the section of Special Significance.
Future path profile data: read turnaround plan data, the basis of current real-time data section is arranged according to turnaround plan and generates future path data section, for analyzing the loss of power failure that turnaround plan may cause and load.
2, simulated environment is arranged
It is the important subfunction that under research mode, power failure range is analyzed that simulated environment is arranged, refer on the basis of real-time profile data or future path profile data, switching setting is carried out to destination object (circuit, bus, transformer, switch), to obtain required operation of power networks state, by power failure range routine analyzer, simulating grid running status is analyzed, obtain power failure equipments statistical information and loss load statistical information.
Simulated environment arranges function mainly through man-machine interface, realizes in the mode of man-machine interaction, comprises following four kinds of modes:
Line chart operates: on plant stand line chart or system load flow figure, can carry out switching operation to destination object.Mode of operation is as follows: click equipment on plant stand line chart or system load flow figure by mouse right button, eject right-click menu, pointing device state is arranged, arrange in ejection dialog box, when circuit, transformer and bus are operated, man-machine program is automatically searched the switch tool that is connected with circuit, transformer and bus and is presented in dialog box, is defaulted as and all disconnects or all put conjunction, and user selects will disconnect or closed switch tool by the check box before switch tool title.Operating result is saved in database object object and arranges in list.
Figure drag function: simultaneously open plant stand line chart and destination object list, the equipment that will pull in point on plant stand line chart, the equipment chosen can be dragged to destination object arranges in list, and the switching of Offered target object in lists.
Arrange in lists: component type arranges and is divided into two classes, and the first kind is electric equipment element (circuit, transformer, bus); Equations of The Second Kind is on-off element.The setting of electric equipment element selects the switching of element, list electric equipment elements (circuit, transformer, bus) all in system in table form by type, the switching state of all elements can be set in this form, and the switching state of element can be changed in the table; The setting of on-off element arranges the folding condition of switch, lists the folding condition of all on-off elements in system in table form, and can change the folding condition of all on-off elements in the table.
Ground state is recovered: user of service can be returned to original state fast after doing the analysis of simulation power failure range, and personnel easy to use are repeatedly sunykatuib analysis calculating on same initial section, obtains the result needed.
3, high-risk or responsible consumer definition
Owing to not comprise part 66kV or 10kV in the middle of the model adjusted on ground, and user is concerned about the electriferous state of this part user especially, thus set up this part user and to it provide the relation of the circuit of power supply to be very necessary.
Mode by defining in relation storehouse in the present invention realizes responsible consumer or the relation between high-risk user and supply line, responsible consumer or high-risk user's definition tables is created in relation storehouse, important load title is had in this form, affiliated region, user's character, belong to responsible consumer or high-risk user, the information such as contact phone.
4, power failure range analysis
The core of power failure range analysis is network topology analysis, the calculating bus model of electrical network is generated (divide/close) according to the state of network wiring annexation, isolating switch and disconnector, analyze the electriferous state of grid equipment simultaneously, and press the topological connection relation of equipment and electriferous state and divide electrically live island and electric dead island, be not with electrosemaphore uncharged equipment record is mid-.Wherein equipment, isolating switch and disconnector state source can be real-time result of calculation or the SCADA collection result of state estimation, also can be turnaround plan or simulated operation result is set.The result analyzed needs in the storehouse of write D5000 according to what show, certainly only has and could write in relation storehouse when analyzing successful result.Network topology analysis can process various plant stand junction style.
5, analysis result exports
Power failure result is added up: the result analyzed according to power failure range, power failure equipments, power failure plant stand are added up, show the circuit of dead electricity power plant and substation's information and power failure, bus, transformer, load and responsible consumer by tabular form, query and search function is easily supported in list.On plant stand line chart, show not charging equipment in the mode of topology coloring simultaneously.Analyze each plant stand power failure impact, pilot plant stand and relevant information are shown in the mode of figure or list.
Loss load statistics: analyze and add up due to operating equipment, turnaround plan arrangement and the network load loss amount caused that breaks down, comprises the whole network loss information on load and plant stand loss information on load.Show grid loss total load with picture picture element form, show the loss load of each plant stand with tabular form.
Historical results is shown: the number of times of display cycle analytical calculation, add up by Year/Month/Day respectively, each load number analyzing power failure, the load of each analytical calculation loss, each plant stand analyzing power failure, the responsible consumer of each analytical calculation, each state of analytical calculation switch and the state of component equipment.
6, the design in relation storehouse
Relation storehouse is for information such as storage data source, result of calculation, power failure range analysis managements, data source information, such as, and the definition of foregoing responsible consumer or high-risk user; Result of calculation information, such as, the user of each power failure and the load number of loss, have a power failure high-risk user or the relation between responsible consumer and stoppage in transit circuit, namely some element stoppages in transit can cause which high-risk user or responsible consumer to have a power failure, and some high-risk users or responsible consumer power failure by which element are stopped transport and caused; Power failure range analysis management table, some information that this table is mainly used for pushing away power outage multi-threaded picture carry out unified management, comprising event number, the accident report that release number, the power supply interrupted district figure numbering etc. that will release.
Result is shown:
Method provided by the invention shows user analysis result in several ways as much as possible, and exhibition method has picture, form, menu, file, figure etc.
1, picture exhibition, key frame can be divided into the setting of digital independent, environmental variance, outage analysis calculates, interpretation of result four parts.Digital independent comprises reading state estimated result data, reads history CASE data, reads future path data three data sources; Environmental variance is provided with and is switched to the operation that a certain plant stand removes to disconnect some elements; Outage analysis calculates the whether cycle that includes starts, cycle length is arranged, power failure range analyzes working time, start-stop time, event start and manually start; Interpretation of result, comprise customer interrupted sum, the high-risk number of users that has a power failure, power failure responsible consumer number, the statistical information such as loss load number; What key frame also has high-risk user and responsible consumer arranges result form.
The top of key frame enters the button of each detail information screen in addition respectively, comprises statistical study picture, environmental variance setting screen, cut-offs and power failure related image, analysis result picture, historical analysis result queries picture.
Click power failure range and analyze " statistical study " button ejection statistical study picture on key frame, picture shows respectively " day statistics ", " moon statistics " and " year statistics " three forms that power failure range is analyzed, the analysis times of statistics table statistics every day day, analyze number of success, day available rate and the electricity that loses every day; Month statistics table statistics analysis times monthly, analyze number of success, the moon available rate and the electricity that monthly loses; The annual analysis times of year statistics table statistics, analyze number of success, year available rate and the electricity of annual loss, the electricity of statistics loss is the load of important load and high-risk load;
Click power failure range and analyze " environmental variance setting " button ejection environmental variance setting screen on key frame, picture is listed switch to put and close list and switch and put and draw up table, " conjunction put by switch " form is all lists of putting combination switch, " switch is put out " is all lists of putting out switch, the folding condition of switch can be set by " the communication value " in form, thus power supply interrupted district or power supply area are set.
Click " cut-off and associate with power failure " button on power failure range analysis key frame, the member clicking upper left " component equipment list " will eject a record in right frame, and the record on right side is the user profile that clicked member may cause power failure.
Click " cut-off and associate with power failure " button on power failure range analysis key frame to eject and cut-off and power failure related image, the lower left " responsible consumer " of picture or " high-risk user " button, the member of responsible consumer can be listed, click arbitrary member, one or more record will be ejected in right frame, the record ejected is all elements causing left side user to have a power failure, just ceaselessly user can be filtered out when clicking the little frame before left side following " customer interrupted ", leave the user of power failure, when clicking the user had a power failure, the record shown in right frame is all not charged, element on the right side of being causes clicked user to have a power failure.
Click power failure range and analyze " analysis result " button ejection analysis result picture on key frame, analysis result lists according to component type, is divided into power failure plant stand result, power failure Load results, power failure bus result, power failure unit result, power failure transformer result, power failure reactance/capacitor result, power failure important load result, have a power failure high-risk Load results.Will show the electrical equipment listed all the type and have a power failure in table form on right side when clicking the arbitrary electrical equipment type in left side, the result of all forms is all the last power failure result analyzed.
Click power failure range and analyze " historical analysis result queries " button ejection historical analysis result queries picture on key frame, " the important historical load information " of clicking left side just can list the member of important load, click one of them member just can list this important load detailed outage information of history on right side, details are with the information of one minute point, on dutyly illustrate that this important load has a power failure when being 0, on dutyly illustrate that the load value of this important load is present numerical value when not being 0." the high-risk historical load information " of clicking left side just can list the member of high-risk load, click one of them member just can list this high-risk load detailed outage information of history on right side, details are with the information of one minute point, on dutyly illustrate that this high-risk load has a power failure when being 0, on dutyly illustrate that the load value of this high-risk load is present numerical value when not being 0.The historical query interface of power failure range analysis can provide inquiry mode flexibly and fast, realizes batch query, point-to-point inquiry or inquires about at times.
2, accident pushes away multi-threaded picture
Multi-threaded picture refers to the different aspect content of being shown same subject content or same subject on same picture by the mode of multiwindow.It is the key word being pushed away multi-threaded picture by event number as the accident of realization in the present invention, with the ID of a certain element (transformer, circuit, load) for event number, be issued to power failure range analytical applications by the mode of messaging bus, then trigger power failure range routine analyzer.The accident defined in the present invention only has when an element conjugates state out of service from running status.
Can release multi-threaded picture after completing power failure range analysis, can release three theme pictures in the present invention, first power outage is reported, it two is power failure plant stand line charts, and it three is power supply interrupted district figure.Have accident to occur in point in power outage report, the high-risk user of the impact that has a power failure or responsible consumer, the community of the impact that has a power failure, Power supply mode, loss the information such as load; Power failure plant stand line chart be accident there is the plant stand at place, figure have the mode of connection that guilty culprit plant stand is detailed, have a power failure after the information such as change (uncharged electrical equipment displacement grey) of plant stand topology coloring; Power supply interrupted district figure show be the approximate location of power supply interrupted district in geographic map, the scope of impact have much, impact community have which etc. information.
According to specific exemplary embodiment, invention has been described herein.It will be apparent under not departing from the scope of the present invention, carrying out suitable replacement to one skilled in the art or revise.Exemplary embodiment is only illustrative, instead of the restriction to scope of the present invention, and scope of the present invention is defined by appended claim.
Claims (1)
1. a method for power system accident process, is characterized in that comprising:
(1) digital independent, the data source of power failure range analysis comprises: state estimation result, real time data section, history run profile data, and future path data;
Described real time data section refers to read current electric grid model from state estimation, read real-time digital & analog signal data from data acquisition and supervisor control SCADA, for the outage information of analytic statistics current electric grid, or as the basic section that simulation is arranged;
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 future path data refer to read turnaround plan data, the basis of current real-time data section is arranged according to turnaround plan and generates future path data section, for analyzing the loss of power failure that turnaround plan may cause and load;
(2) environmental variance is arranged, it is the important subfunction that under research mode, power failure range is analyzed that simulated environment is arranged, refer on the basis of real-time profile data or future path data, switching setting is carried out to destination object, to obtain required operation of power networks state, by power failure range routine analyzer, simulating grid running status is analyzed, obtain power failure equipments statistical information and loss load statistical information; Simulated environment arranges function by man-machine interface, realizes in the mode of man-machine interaction, and simulated environment arranges function and comprises four kinds of modes: line chart operation, figure drag function, carry out arranging and ground state is recovered in lists;
(3) high-risk user or responsible consumer definition, responsible consumer or the relation between high-risk user and supply line is realized by the mode defined in relation storehouse, in relation storehouse, create responsible consumer or high-risk user's definition tables, the content of this form comprises important load title, affiliated region, user's character, belong to responsible consumer or high-risk user and contact phone information;
(4) power failure range analysis, the core of power failure range analysis is network topology analysis, according to the state of network wiring annexation, isolating switch and disconnector, generate the calculating bus model of electrical network, analyze the electriferous state of grid equipment simultaneously, and press the topological connection relation of equipment and electriferous state and divide electrically live island and electric dead island, be not with electrosemaphore uncharged equipment record is mid-; What wherein the source of equipment, isolating switch and disconnector state comprised the real-time result of calculation of state estimation, real time data section and turnaround plan or simulated operation arranges result; The result analyzed needs in write relation storehouse according to display, and network topology analysis can process the junction style of various plant stand;
(5) analysis result is shown, power failure result is added up: the result analyzed according to power failure range, power failure equipments, power failure plant stand are added up, show the circuit of dead electricity power plant and substation's information and power failure, bus, transformer, load and responsible consumer by tabular form, query and search function is easily supported in list; On plant stand line chart, show not charging equipment in the mode of topology coloring simultaneously; Analyze each plant stand power failure impact, pilot plant stand and relevant information are shown in the mode of figure or list;
Loss load statistics: analyze and add up due to operating equipment, turnaround plan arrangement and the network load loss amount caused that breaks down, comprises the whole network loss information on load and plant stand loss information on load; Show the total load of grid loss with picture picture element form, show the loss load of each plant stand with tabular form;
Historical results is shown: the number of times of display cycle analytical calculation, add up by Year/Month/Day respectively, each load number analyzing power failure, the load of each analytical calculation loss, each plant stand analyzing power failure, the responsible consumer of each analytical calculation, each state of analytical calculation switch and the state of component equipment;
(6) accident pushes away multi-threaded picture: multi-threaded picture refers to the different aspect content of being shown same subject content or same subject on same picture by the mode of multiwindow;
Pushed away the key word of multi-threaded picture by event number as the accident of realization, with the ID of a certain element for event number, be issued to power failure range analytical applications by the mode of messaging bus, then trigger power failure range routine analyzer; The accident defined only includes when an element conjugates state out of service from running status; Can release multi-threaded picture after completing power failure range analysis, described multi-threaded picture comprises power outage report, power failure plant stand line chart and power supply interrupted district figure; Power outage report comprise accident origination point, have a power failure impact high-risk user or responsible consumer, have a power failure impact community, Power supply mode and loss load information; Power failure plant stand line chart comprise accident there is the plant stand at place, figure have the mode of connection that guilty culprit plant stand is detailed, have a power failure after the change information of plant stand topology coloring; Power supply interrupted district figure show be the approximate location of power supply interrupted district in geographic map, the scope of impact have much, impact cell range information.
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| CN201110176846.7A CN102236841B (en) | 2011-06-28 | 2011-06-28 | Method for handling accidents of electric power system |
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| CN201110176846.7A CN102236841B (en) | 2011-06-28 | 2011-06-28 | Method for handling accidents of electric power system |
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| CN110224487A (en) * | 2019-06-18 | 2019-09-10 | 国网河南省电力公司焦作供电公司 | A kind of distribution Intelligent power failure management method based on OMS system |
| CN110704500A (en) * | 2019-09-09 | 2020-01-17 | 深圳供电局有限公司 | Low-voltage branch power failure event analysis method and system |
| CN111553807A (en) * | 2019-10-28 | 2020-08-18 | 国网辽宁省电力有限公司抚顺供电公司 | Method for checking power failure information of key machine room |
| CN112467732A (en) * | 2020-11-27 | 2021-03-09 | 国网河南省电力公司周口供电公司 | System and method for determining power grid fault influence range |
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| CN102054119A (en) * | 2009-11-05 | 2011-05-11 | 上海久隆信息工程有限公司 | Failure auxiliary analysis processing method and device thereof in electric power emergency command system |
| CN102035202A (en) * | 2010-09-13 | 2011-04-27 | 中国电力科学研究院 | Network reconfiguration system |
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