資源描述：
《ANALYSIS OF SURGE CURRENT DUE TO CLOSIING LOOP IN DISTRIBUTION NETWORK》由會員上傳分享，免費在線閱讀，更多相關內(nèi)容在學術(shù)論文-天天文庫。
1、ANALYSISOFSURGECURRENTDUETOCLOSIINGLOOPINDISTRIBUTIONNETWORKFENGJing,ZHANGJianHua,LIURuoXi(DepartmentofElectricityandElectronicEngineeringAcademy,NorthChinaElectricPowerUniversity,Beijing,102206)ABSTRACT:LoopclosingoperationinPowerSystemOperationandControl.distributionnetworkwil
2、lbringsaboutKEYWORDS?distributionnetwork;loopsteady-stateloopcurrentandthetransientpowerflow;surgecurrent;modeling;surgecurrent?Recentpapersmainlyanalyze1.IntroductionthetheoryandcalculationmethodoftheDistributionnetworkisclosedloopsteady-stateloopcurrent,butseldomdiscussconnect
3、ionmodedesigned,butopenloopthetransientsurgecurrent,onlyaroughoperated.Whenfaultindistritutionnetworkorevaluationpresented.Thispaperfullystudysmaintenanceneeded,loopclosingoperationisthemechanismofoccurrenceofthetransientadoppedtotransferloadfromonefeedertosurgecurrentandestabli
4、shsmathmaticalanotherinordertoavoidpowerinterruption.Inmodelforthecalculationofit.Thispaperalsoordertoimprovingpowersupplygivesthecalculationfomulasofthemaximumreliability,theoperationofclosingoropeningofthetransientsurgecurrentandtheloopswitchesisfrequently.Sothetheoryofitmaxim
5、umofeffectivevalueofthetransientshouldbestudiedfully.Loopclosingsurgecurrent.What’smore,theoccurringtimeoperationindistributionnetworkwillbringsofthemaximumofthetransientsurgeisaboutsteady-stateloopcurrentandthepresented.Anequivalentmodeloflocaltransientsurgecurrent?Ifthevoltage
6、distributionnetworkisdevelopedtosimulatedifferencebetweenthetwoendsofthetielinetheclosingloopoperationusingistoohigh,thefeederswilloverload,soPSCAD/EMTDCprogram.Apreandpostcausingelectricpowerequipmentburn-out.closingcurrentcurveisrecordedRecentpapersmainlyanalizethetheoryandsim
7、ultaneously.Boththemaximumofthecalculationmethodofthesteady-statelooptransientsurgecurrentandthemaximumofcurrent,butseldomdiscussthetransientsurgeeffectivevalueofthetransientsurgecurrentcurrent,onlyaroughevaluationpresented.arereadoutfromthesimulationcurve.Thispaperfullystudysth
8、emechanismofMealwhile,themaximumofthetransiento
