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第37卷 第5期2009年5月Vol.37 No.5May 2009由感应电压引起的电压异常原因分析与处理措施 1,2,3(1., 200002;2., 200240;3., 200437) :,(EMTP),,。:GIS;;EMTP: (1975-),,,,。:TM711 :B :1001-9529(2009)05-0880-03AnalysisofabnormalvoltageduetoinducedvoltageandrelatedtreatmentmeasuresWANGJian1,ZHANGJia-min2(1.DispatchCenter,EastChinaGridCompanyLimited,Shanghai200002,China;2.SchoolofElectroic,InformationandElectricalEngineering,ShanghaiJiaotongUniv.,Shanghai200240,China;3.EastChinaElectricPowerTestResearchInstituteCo.,Ltd.,Shanghai200437,China)Abstract:Thehighinducedvoltageoccurredduringstart-updebuggingforWaigaoqiaoNo.3PowerPlantmadethecircuitbreakerunabletoswitchoff.Tosolvetheproblem,theelectromagnetictransientprogram(EMTP)wasusedtoconstructtheinducedvoltageanalysismodeltoinvestigatetheinducedvoltageundervariousconditionsforWaigao-qiaoNo.3PowerPlant.Problemsneedingmoreattentionwereproposed,aswellascountermeasures.Keywords:GIS;inducedvoltage;electromagnetictransientprogram(EMTP) 200712500kV,,,GIS“”,5012、5051。,。1 GIS,EMTP,500kVGIS。EMTP,EMTP。1.1 500kVGIS5012(),500kVGIS51375138500kV。1。1 GIS,GIS,,500kVGIS1。 , 由感应电压引起的电压异常原因分析与处理措施08811 GIS/pf1000600()300()14050GIS/pf·m-140GIS/pf·-1401.2 EMTP,。500kVLlClπ;500kVLCCC(),,;GIS;GIS,;GIS;ZnO,EMTP;EMTP。2。2 2 2.1 ,。1:5137,515kV(,,),5138,5051、5052、5012。Ⅰ190kV,Ⅱ63kV。2:51375138,515kV;5051、5052、5012。Ⅰ250kV,Ⅱ250kV。3:51375138,515kV;5051,5052、5012。Ⅱ330kV。4:51375138,509kV;8,5052,5051,5012。Ⅰ290kV。2.2 (2)2 /kV/kVⅠⅡⅠⅡ11906319063225025025025035153305153394290509285509 2,,,。2.3 ,。GIS,500kV。GIS,GIS,GIS,GIS、、。GIS,,,。GIS7KV611,,,“”,“”。,,“”,“”,,“”。,“”08822009,37(5)65V(,500kV/100V)。,“”315kV,“”。GIS,GIS“”,50125051。3 ,,GIS。,,,。,,,,。4 ,GIS,,,,,。,,。4.1 (1)变压器停役操作模式(7号主变为例)500kV50125051。,750076(),5051,50121,,5051,,50122,500kV5012。。(2)变压器复役操作模式(7号主变为例)500kV50125051,,750076(),,,5051500kV5012。。4.2 GIS,。(1),“”,“”,()。,,。(2)GIS,,,,。,,,。,,。5 ,。,,,。。:2009-02-23:
本文标题:由感应电压引起的电压异常原因分析与处理措施_王健
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