CN105590164A - Power failure incident automatic integration-based analysis device for analyzing reliability of power transmission and transformation system - Google Patents
Power failure incident automatic integration-based analysis device for analyzing reliability of power transmission and transformation system Download PDFInfo
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Abstract
The invention provides a power failure incident automatic integration-based analysis device for analyzing the reliability of a power transmission and transformation system. The device comprises an operation information automatic integration module, a power failure incident key element extracting module, a key equipment standing book extracting module, a circuit equipment section and connection point determination module, a circuit and connection point standing book management module, a power failure incident database module, a power failure incident database maintenance module, and a power transmission and transformation system reliability statistical analysis module. According to the technical scheme of the invention, based on the establishment of a main equipment circuit model and a physical connection point model, a comprehensive reliability evaluation criterion is formulated, so that the comprehensive evaluation on the reliability of a power transmission network rack and the power transmission and transformation system can be realized. The problem in the prior art that the reliability evaluation for the power transmission and transformation system cannot be realized by existing operation equipment can be solved. Based on the design and the application of the seamless joint and the associated auxiliary modules of an operation management system, the problems in the prior art that the existing reliability analysis equipment is large in artificial input workload during the occurrence of a power failure incident, the data source accuracy of the power failure equipment cannot be ensured to be consistent with that of a scheduling system, and the application efficiency is low, can be solved.
Description
Technical field
The present invention relates to electric network reliability and evaluate field, relate in particular to one based on power-off event certainlyMoving integrated power transmission and transformation system fail-safe analysis device.
Background technology
Face is evaluated objectively reliability of transmission system and can be provided more for Electric Power Network Planning and operationThe decision-making foundation of science is significant to improving whole power system reliable power supply level. 1998Year original power Ministry of Industry promulgates " power transformating and supplying facility reliability evaluation code (provisional) ", through 2003,Twice revision in 2012 forms existing " DLT837-2012 power transformating and supplying facility reliability evaluation ruleJourney ". The enforcement of standard has realized the power transmission and transformation system reliability statistics evaluation within the scope of the whole industryUnification, the standardized administration of work, promoted going deep into of electric power safety production and equipment management workCarry out. Current, China's power transmission and transformation system reliability management work is reliable by National Energy Board's electric powerProperty administrative center unified supervision, in electric reliabilities in 2000, mind-set nationwide is carried out reliableProperty management system, realizes the power transformating and supplying facility reliability statistics appraisal of nationwide.
Inventor finds through research, power transformating and supplying facility reliability statistics analysis dress in prior artPut the reliability statistics evaluation laying particular emphasis on certain class power transformating and supplying facility, so cannot the overall evaluation defeatedThe reliability level of transformer substation system; In addition power transformating and supplying facility reliability statistics of the prior art,In analytical equipment, the many kinds of parameters informational needs manual entry in power-off event; Owing to carrying out peopleThe non-scheduled operations staff of attendant of the many kinds of parameters information in work typing power-off event, has a power failureLikely there is certain deviation of understanding in the typing of event relevant information, so often appearance leakage record,The situation of wrong record, thus make the application efficiency of power transformating and supplying facility reliability statistics analytical equipment lowUnder.
Summary of the invention
The present invention propose a kind of based on power-off event automatically integrated power transmission and transformation system reliability divideAnalysis apparatus, solves existing actuating unit and cannot realize power transmission and transformation system reliability evaluation; Solve existingThe manual entry of fail-safe analysis device power-off event, the Data Source accuracy of power-off event deviceAnd cannot ensure the problem such as service efficiency is low with the uniformity of dispatching patcher.
Based on a power-off event integrated power transmission and transformation system fail-safe analysis device automatically, described inBe located at power transmission and transformation based on the automatic integrated power transmission and transformation system fail-safe analysis device of power-off event reliableProperty management system, comprising:
The automatic integration module of operation information, power-off event key element extraction module, key equipmentAccount extraction module, loop equipment group and tie point determination module, loop and tie point account pipeReason module, power-off event library module, power-off event storehouse maintenance module and power transmission and transformation system reliabilityStatistical analysis module, wherein:
Key equipment account extraction module is for obtaining main establishing by engineering production management system PMSStandby account information; Described main equipment comprises transformer station, bus, circuit and switch;
Loop equipment group and tie point determination module are for establishing according to described account Information generation masterStandby loop information and physical connection dot information; Specifically comprise:
Analyze described main equipment according to described account information traversal, according to the minimum of described main equipmentThe included equipment in O&M unit is divided main equipment loop; Described main equipment loop comprises power transformationLoop, bus bar circuit and transmitting loop;
According to each node of described account information traversal power transmission network, divide respectively in described power transmission networkAll kinds of physical point of attachments; The kind of described physical point of attachment comprises that the physics of main distribution handing-over connectsPhysical point of attachment and the defeated net of contact, the physical point of attachment of sending out transmission of electricity handing-over, user's handing-over are interconnectedThe physical point of attachment of handing-over;
Loop and tie point account administration module are for generating and deposit according to described main equipment loopStore up corresponding main equipment loop information, and, for according to described physical connection dot generation and depositStore up corresponding physical connection dot information; Described main equipment loop information comprises loop numbering, loopThe total side number in title, loop-type, loop element, loop modeling date and loop; DescribedPhysical point of attachment information comprises tie point numbering, tie point title, tie point type, tie pointLoad and tie point are set up the date;
The automatic integration module of operation information is used for:
Automatically push away with monitoring the switch reclosures information of controlling in SCADA system by data acquisitionThe value of sending is obtained switch reclosures information, and described switch reclosures information comprises switch title, actionTime, position, and, affiliated transformer station or affiliated circuit;
By the outage management log recording in dispatching log management system obtain loop have a power failureKey element, the key element that described loop has a power failure comprise power failure character, power failure liability cause,Trigger power failure reason, power failure technical reason, power off time and coverage;
Obtain districted dispatch system because the 10kV substation bus bar that power transmission network reason causes has a power failure automaticallyThe information pushing, obtains the key element that bus has a power failure; The key element bag that described bus has a power failureDraw together power failure bus title, continue power off time, start-stop power off time and power failure reason;
Power-off event key element extraction module, for according to described switch reclosures information, instituteState bus have a power failure key element and from described loop and tie point account administration module extract returnRoad numbering and tie point numbering, generation loop power-off event and tie point power-off event export to and stopElectricity event base;
Power-off event library module is used for by loop power-off event and tie point power-off event are enteredRow association generates power-off event inventory, and stores described power-off event inventory;
Power-off event storehouse maintenance module is for entering described power-off event inventory according to power-off eventRow Correctness Analysis and correction, described in repair Correctness Analysis and just comprising indirect labor's analysis decision;
Power transmission and transformation system reliability statistics analysis module is used for:
According to the described main equipment loop information in described loop and tie point account administration moduleWith described physical connection dot information, and the power-off event in described power-off event library module is clearSingle, calculate the main equipment loop reliability index of each electric pressure and the reliability of physical point of attachmentIndex, and generate the whole network power failure seriousness index and integrated risk assessment result, and, generatePower transmission and transformation system fail-safe analysis report.
Preferably, in embodiments of the present invention, described physical point of attachment comprises:
The switchgear of the each side bus of transformer station or property right separation system side.
Preferably, in embodiments of the present invention, described loop equipment group and tie point determination module04 comprises:
Bus bar circuit determining unit is line for removing primary connection pattern in described power transmission and transformation systemThe wiring of change group does not belong to beyond bus bar circuit, in remaining bus type, by same power transformationIn standing, all buses and the isolating switch being directly connected with described bus of same electric pressure,And the equipment group that does not form separately loop being independently connected on described bus is divided into sameBus bar circuit;
Power transformation loop determining unit, for opening circuit transformer body and described transformer and each sideConverting equipment group between device is divided into power transformation loop; Described converting equipment group does not comprise bus bar sideIsolating switch;
Transmitting loop determining unit, for by transmission line of electricity body and with Ge Cesuojie transformer stationDevice combination between bus bar circuit tie point is divided into transmitting loop; Described transmission facility group is notComprise bus bar side isolating switch.
Send out tie point determining unit defeated, for being used for connecting transmission system when described physical point of attachmentWith electricity generation system, while providing reception electric energy for electricity generation system, described physical point of attachment is divided intoSend out tie point defeated;
Transmission & distribution tie point determining unit, for being used for connecting transmission system when described physical point of attachmentWith distribution system, while providing electric energy functions of physical supply for distribution system, by described physical connection dot-dashBe divided into transmission & distribution tie point;
User's tie point determining unit, for being used for connecting transmission system when described physical point of attachmentWith user, while providing electric energy functions of physical supply for user, described physical point of attachment is divided into userTie point;
Interconnected tie point determining unit, transmits electricity for being used for connecting when described physical point of attachment evaluatingSystem and other transmission systems, while providing electric energy input/output function for other system, described in inciting somebody to actionPhysical point of attachment is divided into interconnected tie point.
Preferably, in embodiments of the present invention, described power transmission and transformation system reliability statistics is analyzed mouldPiece, comprising:
Loop index computing unit, can for the power transmission and transformation of calculating respectively each described main equipment loopLean on property index;
Tie point has a power failure affects computing unit, for the reliability index of Computational Physics tie point;
Described loop index computing unit comprises conversion factor formation component, and described conversion factor is rawThe forfeiture degree that becomes assembly to be used for the described main equipment return circuit causing according to power-off event is calculatedThe conversion factor in described main equipment loop, comprising:
The total side number in power transformation loop, the total side of transmitting loop obtained in described logical circuit are counted N and motherLine loop connects total loop and counts NF, obtains the reality of power transformation loop, the each power-off event of transmitting loopBorder frequency of power cut nr, obtains the bus bar circuit connection causing that has a power failure and realizes feeder number nt;
Judge whether described logical circuit function is lost, if the funeral of described logical circuit function entiretyLose, adding up described logical circuit conversion factor is s=1;
If power transformation loop, transmitting loop funtion part are lost, power transformation loop and transmitting loop are appointedWhen one side is stopped transport, the conversion factor s that adds up described power transformation loop, transmitting loop is:s＝nr/(N-1)；
If bus bar circuit funtion part is lost, arbitrary Generatrix cease in described bus bar circuitTime, the conversion factor s that adds up described bus bar circuit is: s=nt/NF;
Described conversion factor is for calculating frequency of power cut, having a power failure and bear according to statistical phenomeon processWhen lotus, power failure electric weight generate index result of calculation as calculating parameter.
As seen from the above, in embodiments of the present invention, introduced main equipment loop concept andThe concept of physical point of attachment, main equipment loop is the minimum O&M by transformer, circuit, busMaintenance unit group composition, by the power transmission and transformation analysis of Reliability in main equipment loop, Neng GoutiThe strong degree of existing network shelf structure, and check science, the reasonability of operation maintenance policy development,The height of realizing reliability evaluation and operation management merges; Due to by the embodiment of the present invention, increaseThe evaluation index of the strong degree of grid structure and the evaluation index of power supply continuity are added; In addition,The difference of power transmission network main body connecting according to physical point of attachment, is divided into physical point of attachment to send out company defeatedContact, transmission & distribution tie point, user's tie point and interconnected tie point, then pass through physical point of attachmentReliability index calculates to realize power transmission and transformation system under power transmission network rack, equipment complex effectReliability evaluation; Like this, can make power transmission and transformation system reliability statistics evaluation result more completeWhole and accurate, so also just solved in prior art cannot overall evaluation power transmission and transformation system canLean on the problem of property level.
In addition, the embodiment of the present invention by with SCADA system, PMS system, districted dispatch system andDispatching log system made data connect, and automatic Identification main equipment loop, physical point of attachment are heavyPoint is strengthened power-off event and is extracted and correcting process process, realizes related data information in power-off eventAutomatic collection, thereby greatly reduce artificial modeling workload, improve the accuracy of data sourceAnd uniformity, the final order of realizing the operating efficiency that improves the evaluation of power transmission and transformation system reliability statistics.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, underFace will be briefly described the accompanying drawing of required use in embodiment or description of the Prior Art,Apparently, the accompanying drawing in the following describes is only some enforcements of recording in the applicationExample, for those of ordinary skill in the art, is not paying under the prerequisite of creative work,Can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is based on power-off event integrated power transmission and transformation system automatically described in the embodiment of the present inventionFail-safe analysis device schematic diagram.
Detailed description of the invention
It is a kind of based on power-off event integrated power transmission and transformation system automatically that the embodiment of the present invention providesFail-safe analysis device, as shown in Figure 1, comprising:
The automatic integration module 01 of operation information, power-off event key element extraction module 02, passButton apparatus account extraction module 03, loop equipment group and tie point determination module 04, loop and companyContact account administration module 05, power-off event library module 06, power-off event storehouse maintenance module 07With power transmission and transformation system reliability statistics analysis module 08, wherein:
Key equipment account extraction module 03 is for obtaining by engineering production management system PMSThe account information of main equipment; Described main equipment comprises transformer station, bus, circuit and switch;
In the embodiment of the present invention based on automatically integrated power transmission and transformation system reliability of power-off eventAnalytical equipment, can connect with SCADA system, PMS system and dispatching log system made dataConnect, realize raising power transmission and transformation by the various data messages that obtain automatically in power transmission and transformation systemThe object of the operating efficiency of system reliability statistical appraisal.
For this reason, in embodiments of the present invention, can by key equipment account extraction module 03In PMS, obtain the account information of main equipment; Concrete main equipment can comprise transformer station, motherLine, circuit and switch, like this, just can gather power station, bus, circuit and switch automaticallyAccount information;
Loop equipment group and tie point determination module 04 are for according to account Information generation main equipmentLoop information and physical connection dot information; Loop equipment group and tie point determination module 04 concreteWorking method comprises:
Analyze described main equipment according to account information traversal, according to the minimum O&M unit of main equipmentIncluded equipment is divided main equipment loop; Main equipment loop comprises that power transformation loop, bus returnRoad and transmitting loop; Analyze main equipment according to account information traversal, be equivalent to obtain defeated changePrimary connection mode figure in the electrical network geographical wiring diagram of electric system and Substation Station, like this by dividingAnalyse physical connection logical relation and O&M Strategies of Maintenance between main equipment, can determine O&MMaintenance unit included equipment, and then just can overhaul unit taking O&M and generate master as unitEquipment loop; Further, according to the different in kind in loop, main equipment loop specifically can be dividedFor bus bar circuit, power transformation loop and transmitting loop;
According to each node of account information traversal power transmission network, divide respectively all kinds of things in power transmission networkReason tie point; The kind of physical point of attachment comprises physical point of attachment, a transmission of electricity of main distribution handing-overPhysical point of attachment, the physical point of attachment of user's handing-over and the physics of the interconnected handing-over of defeated net of handing-over connectContact; In order to analyze the physical connection relation of power transmission network, the different nodes of power distribution network, can basisEach node of account information traversal power transmission network obtains power transmission and transformation system and distribution system electrical network geographyWiring diagram, thus each physical point of attachment can be divided; Then, connect electrical network according to transmission & distributionThe difference of feature, can divide physical point of attachment and send out tie point defeated, transmission & distribution tie point, userTie point and interconnected tie point. In embodiments of the present invention, physical point of attachment specifically can compriseThe switchgear of the each side bus of transformer station or property right separation system side.
Loop and tie point account administration module 05 are for generating and storing according to main equipment loopCorresponding main equipment loop information, and, for generating and storing correspondence according to physical point of attachmentPhysical connection dot information; Main equipment loop information comprises loop numbering, loop title, loopThe total side number in type, loop element, loop modeling date and loop; Described physical point of attachmentInformation comprises tie point numbering, tie point title, tie point type, tie point load and is connectedPoint is set up the date;
The automatic integration module 01 of operation information for:
Automatically push away with monitoring the switch reclosures information of controlling in SCADA system by data acquisitionThe value of sending is obtained switch reclosures information, switch reclosures information specifically can comprise switch title,Actuation time, position, and, affiliated transformer station or affiliated circuit;
By the outage management log recording in dispatching log management system obtain loop have a power failureKey element, the key element that loop has a power failure specifically can comprise that power failure character, power failure responsibility are formerCause, triggering power failure reason, power failure technical reason, power off time and coverage;
Obtain districted dispatch system because the 10kV substation bus bar that power transmission network reason causes has a power failure automaticallyThe information pushing, obtains the key element that bus has a power failure; The key element that bus has a power failure specifically canTo comprise power failure bus title, to continue power off time, start-stop power off time and power failure reason;
Power-off event key element extraction module 02, for according to switch reclosures information, busThe key element having a power failure and from loop and the loop numbering extracted of tie point account administration module 05And tie point numbering, generate loop power-off event and tie point power-off event and export power-off event toStorehouse;
Power-off event library module 06 is for passing through loop power-off event and tie point power-off eventCarry out association and generate power-off event inventory, and store power-off event inventory; In order to improve power failureThe accuracy of data in event lists, in embodiments of the present invention, is also provided with power-off event storehouse dimensionProtect module 07, like this can be according to power-off event to institute by power-off event storehouse maintenance module 07Stating power-off event inventory and carry out Correctness Analysis and correction, specifically, can be by auxiliaryThe mode of manual analysis decision-making is revised and Correctness Analysis power-off event inventory.
Power transmission and transformation system reliability statistics analysis module 08 for:
According to main equipment loop information and physics in loop and tie point account administration module 05Connection point information, and the power-off event inventory in institute's power-off event library module 06, calculates eachThe main equipment loop reliability index of electric pressure and the reliability index of physical point of attachment, and rawBecome the whole network power failure seriousness index and integrated risk assessment result, and, power transmission and transformation system generatedFail-safe analysis report.
As seen from the above, in embodiments of the present invention, introduced main equipment loop concept andThe concept of physical point of attachment, main equipment loop is the minimum O&M by transformer, circuit, busMaintenance unit group composition, by the power transmission and transformation analysis of Reliability in main equipment loop, Neng GoutiThe strong degree of existing network shelf structure, and check science, the reasonability of operation maintenance policy development,The height of realizing reliability evaluation and operation management merges; Due to by the embodiment of the present invention, increaseThe evaluation index of the strong degree of grid structure and the evaluation index of power supply continuity are added; In addition,The difference of power transmission network main body connecting according to physical point of attachment, is divided into physical point of attachment to send out company defeatedContact, transmission & distribution tie point, user's tie point and interconnected tie point, then pass through physical point of attachmentReliability index calculates to realize power transmission and transformation system under power transmission network rack, equipment complex effectReliability evaluation; Like this, can make power transmission and transformation system reliability statistics evaluation result more completeWhole and accurate, so also just solved in prior art cannot overall evaluation power transmission and transformation system canLean on the problem of property level.
In addition, the embodiment of the present invention by with SCADA system, PMS system, districted dispatch system andDispatching log system made data connect, and automatic Identification main equipment loop, physical point of attachment are heavyPoint is strengthened power-off event and is extracted and correcting process process, realizes related data information in power-off eventAutomatic collection, thereby greatly reduce artificial modeling workload, improve the accuracy of data sourceAnd uniformity, the final order of realizing the operating efficiency that improves the evaluation of power transmission and transformation system reliability statistics.
Further, in embodiments of the present invention, loop equipment group and tie point determination module 04Specifically can comprise that bus bar circuit determining unit, power transformation loop determining unit, transmitting loop determineUnit, send out tie point determining unit defeated, transmission & distribution tie point determining unit, user's tie point determineUnit and interconnected tie point determining unit are concrete:
Bus bar circuit determining unit is line change group for removing primary connection pattern in power transmission and transformation systemWiring do not belong to beyond bus bar circuit, in remaining bus type, by same transformer station,All buses of same electric pressure and the isolating switch being directly connected with bus, and, independentThe equipment group that does not form separately loop being connected on bus is divided into same bus bar circuit;
Power transformation loop determining unit for by transformer body and transformer and each side breaker itBetween converting equipment group be divided into power transformation loop; Converting equipment group does not comprise bus bar side isolating switch;
Transmitting loop determining unit for by transmission line of electricity body and with Ge Cesuojie transformer stationDevice combination between bus bar circuit tie point is divided into transmitting loop; In the embodiment of the present invention,Transmission line of electricity body and and each side connect the transmission facility between the tie point of substation bus bar loopGroup does not comprise bus bar side isolating switch.
Send out tie point determining unit defeated for being used for connecting transmission system when physical point of attachment and sending outElectric system, receives when electric energy for electricity generation system provides, and physical point of attachment is divided into and sends out connection defeatedPoint;
Transmission & distribution tie point determining unit is for being used for connecting transmission system and joining when physical point of attachmentElectric system, while providing electric energy functions of physical supply, is divided into transmission & distribution by physical point of attachment for distribution systemTie point;
User's tie point determining unit is for being used for connecting transmission system and use when physical point of attachmentFamily, while providing electric energy functions of physical supply, is divided into user's tie point by physical point of attachment for user;
Interconnected tie point determining unit is for being used for connecting evaluation transmission system when physical point of attachmentWith other transmission systems, while providing electric energy input/output function for other system by physical point of attachmentBe divided into interconnected tie point.
In addition, in embodiments of the present invention, power transmission and transformation system reliability statistics analysis module 08Specifically can comprise: loop index computing unit and tie point have a power failure affects computing unit, wherein:
Loop index computing unit, power transmission and transformation each for calculating respectively, main equipment loop are reliableProperty index; Tie point has a power failure affects the reliability index of computing unit for Computational Physics tie point;Loop index computing unit comprises conversion factor formation component, and conversion factor formation component is for rootThe forfeiture degree of stating main equipment return circuit causing according to power-off event is calculated the folding in main equipment loopCalculate coefficient, comprising:
Obtain the total side number in power transformation loop in logical circuit, the total side of transmitting loop counts N and bus returnsRoad connects total loop and counts NF, obtains power transformation loop, the actual of the each power-off event of transmitting loop stopsElectricity frequency n r, obtains the bus bar circuit connection causing that has a power failure and realizes feeder number nt;
Whether decision logic return circuit is lost, if described logical circuit function general loss,Statistic logic loop conversion factor is s=1;
If power transformation loop, transmitting loop funtion part are lost, power transformation loop and transmitting loop are appointedWhen one side is stopped transport, the conversion factor s that adds up described power transformation loop, transmitting loop is:s＝nr/(N-1)；
If bus bar circuit funtion part lose, in bus bar circuit when arbitrary Generatrix cease,The conversion factor s of statistics bus bar circuit is: s=nt/NF;
Conversion factor for calculate according to statistical phenomeon process frequency of power cut, have a power failure load,When power failure electric weight generates index result of calculation as calculating parameter.
In the embodiment providing in the embodiment of the present invention, only in order to technical side of the present invention to be describedCase, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment,Those of ordinary skill in the art is to be understood that: it still can be recorded aforementioned each embodimentTechnical scheme modify, or part technical characterictic is wherein equal to replacement; And thisA little amendments or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention skillThe spirit and scope of art scheme.
Claims (4)
1. based on an automatically integrated power transmission and transformation system fail-safe analysis device of power-off event,Described based on power-off event automatically integrated power transmission and transformation system fail-safe analysis device be located at power transmission and transformationReliability management system, is characterized in that, comprising:
The automatic integration module of operation information, power-off event key element extraction module, key equipmentAccount extraction module, loop equipment group and tie point determination module, loop and tie point account pipeReason module, power-off event library module, power-off event storehouse maintenance module and power transmission and transformation system reliabilityStatistical analysis module, wherein:
Key equipment account extraction module is for obtaining main establishing by engineering production management system PMSStandby account information; Described main equipment comprises transformer station, bus, circuit and switch;
Loop equipment group and tie point determination module are for establishing according to described account Information generation masterStandby loop information and physical connection dot information; Specifically comprise:
Analyze described main equipment according to described account information traversal, according to the minimum of described main equipmentThe included equipment in O&M unit is divided main equipment loop; Described main equipment loop comprises power transformationLoop, bus bar circuit and transmitting loop;
According to each node of described account information traversal power transmission network, divide respectively in described power transmission networkAll kinds of physical point of attachments; The kind of described physical point of attachment comprises that the physics of main distribution handing-over connectsPhysical point of attachment and the defeated net of contact, the physical point of attachment of sending out transmission of electricity handing-over, user's handing-over are interconnectedThe physical point of attachment of handing-over;
Loop and tie point account administration module are for generating and deposit according to described main equipment loopStore up corresponding main equipment loop information, and, for according to described physical connection dot generation and depositStore up corresponding physical connection dot information; Described main equipment loop information comprises loop numbering, loopThe total side number in title, loop-type, loop element, loop modeling date and loop; DescribedPhysical point of attachment information comprises tie point numbering, tie point title, tie point type, tie pointLoad and tie point are set up the date;
The automatic integration module of operation information is used for:
Automatically push away with monitoring the switch reclosures information of controlling in SCADA system by data acquisitionThe value of sending is obtained switch reclosures information, and described switch reclosures information comprises switch title, actionTime, position, and, affiliated transformer station or affiliated circuit;
By the outage management log recording in dispatching log management system obtain loop have a power failureKey element, the key element that described loop has a power failure comprise power failure character, power failure liability cause,Trigger power failure reason, power failure technical reason, power off time and coverage;
Obtain districted dispatch system because the 10kV substation bus bar that power transmission network reason causes has a power failure automaticallyThe information pushing, obtains the key element that bus has a power failure; The key element bag that described bus has a power failureDraw together power failure bus title, continue power off time, start-stop power off time and power failure reason;
Power-off event key element extraction module, for according to described switch reclosures information, instituteState bus have a power failure key element and from described loop and tie point account administration module extract returnRoad numbering and tie point numbering, generation loop power-off event and tie point power-off event export to and stopElectricity event base;
Power-off event library module is used for by loop power-off event and tie point power-off event are enteredRow association generates power-off event inventory, and stores described power-off event inventory;
Power-off event storehouse maintenance module is for entering described power-off event inventory according to power-off eventRow Correctness Analysis and correction, described in repair Correctness Analysis and just comprising indirect labor's analysis decision;
Power transmission and transformation system reliability statistics analysis module is used for:
According to the described main equipment loop information in described loop and tie point account administration moduleWith described physical connection dot information, and the power-off event in described power-off event library module is clearSingle, calculate the main equipment loop reliability index of each electric pressure and the reliability of physical point of attachmentIndex, and generate the whole network power failure seriousness index and integrated risk assessment result, and, generatePower transmission and transformation system fail-safe analysis report.
It is 2. as claimed in claim 1 that based on power-off event, integrated power transmission and transformation system can automaticallyLean on property analytical equipment, it is characterized in that, described physical point of attachment comprises:
The switchgear of the each side bus of transformer station or property right separation system side.
It is 3. as claimed in claim 2 that based on power-off event, integrated power transmission and transformation system can automaticallyLean on property analytical equipment, it is characterized in that, described loop equipment group and tie point determination module comprise:
Bus bar circuit determining unit is line for removing primary connection pattern in described power transmission and transformation systemThe wiring of change group does not belong to beyond bus bar circuit, in remaining bus type, by same power transformationIn standing, all buses and the isolating switch being directly connected with described bus of same electric pressure,And the equipment group that does not form separately loop being independently connected on described bus is divided into sameBus bar circuit;
Power transformation loop determining unit, for opening circuit transformer body and described transformer and each sideConverting equipment group between device is divided into power transformation loop; Described converting equipment group does not comprise bus bar sideIsolating switch;
Transmitting loop determining unit, for by transmission line of electricity body and with Ge Cesuojie transformer stationDevice combination between bus bar circuit tie point is divided into transmitting loop; Described transmission facility group is notComprise bus bar side isolating switch.
Send out tie point determining unit defeated, for being used for connecting transmission system when described physical point of attachmentWith electricity generation system, while providing reception electric energy for electricity generation system, described physical point of attachment is divided intoSend out tie point defeated;
Transmission & distribution tie point determining unit, for being used for connecting transmission system when described physical point of attachmentWith distribution system, while providing electric energy functions of physical supply for distribution system, by described physical connection dot-dashBe divided into transmission & distribution tie point;
User's tie point determining unit, for being used for connecting transmission system when described physical point of attachmentWith user, while providing electric energy functions of physical supply for user, described physical point of attachment is divided into userTie point;
Interconnected tie point determining unit, transmits electricity for being used for connecting when described physical point of attachment evaluatingSystem and other transmission systems, while providing electric energy input/output function for other system, described in inciting somebody to actionPhysical point of attachment is divided into interconnected tie point.
4. according to claim 1 based on power-off event integrated power transmission and transformation system automaticallyFail-safe analysis device, is characterized in that, described power transmission and transformation system reliability statistics analysis module,Comprise:
Loop index computing unit, can for the power transmission and transformation of calculating respectively each described main equipment loopLean on property index;
Tie point has a power failure affects computing unit, for the reliability index of Computational Physics tie point;
Described loop index computing unit comprises conversion factor formation component, and described conversion factor is rawThe forfeiture degree that becomes assembly to be used for the described main equipment return circuit causing according to power-off event is calculatedThe conversion factor in described main equipment loop, comprising:
The total side number in power transformation loop, the total side of transmitting loop obtained in described logical circuit are counted N and motherLine loop connects total loop and counts NF, obtains the reality of power transformation loop, the each power-off event of transmitting loopBorder frequency of power cut nr, obtains the bus bar circuit connection causing that has a power failure and realizes feeder number nt;
Judge whether described logical circuit function is lost, if the funeral of described logical circuit function entiretyLose, adding up described logical circuit conversion factor is s=1;
If power transformation loop, transmitting loop funtion part are lost, power transformation loop and transmitting loop are appointedWhen one side is stopped transport, the conversion factor s that adds up described power transformation loop, transmitting loop is:s＝nr/(N-1)；
If bus bar circuit funtion part is lost, arbitrary Generatrix cease in described bus bar circuitTime, the conversion factor s that adds up described bus bar circuit is: s=nt/NF;
Described conversion factor is for calculating frequency of power cut, having a power failure and bear according to statistical phenomeon processWhen lotus, power failure electric weight generate index result of calculation as calculating parameter.
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