%0 Journal Article
%T Impact Analyses of Wind Farm on Performances ofTransmission Line Relay Protection
%A JinWANG
%A BaohuiZHANG
%J 电力系统自动化
%D 2012
%X Asimulationsystemforpowergridwithconcentratedlarge-scalewindfarmintegrationisestablishedbasedontheelectro-magnetictransientmodelofwindturbineequippedwithdoubly-fedinductiongenerator（DFIG），whichisbuiltbyreal-timedigitalsimulator（RTDS）.UsingthehardwarecommunicationinterfaceofRTDS，aclosed-looptestingexperimentisaccomplishedtostudytheimpactsoflarge-scalewindfarmsontheexistingrelayprotectiondevicesforwindfarmoutgoingtransmissionline.Thispaperpointsoutproblemsexistingincurrentrelayprotectiondevicesasfollows:faultphaseselectorcanselectunwantedphaseduetothechangesoffaultfeaturescausedbyspecialnetworkconnectionofwindfarms;blockingconditionfordistanceprotectionsneedstobere-examinedduetotheweakpower-feedcharacteristicsofwindfarms;andpowerfrequencyparameterbasedrelayprotectiondevicescannotaccuratelyoperateduetothespecialtransientvoltageandcurrentcharacteristicsofwindfarmsduringfaultperiod.Resultslaythefoundationforimprovingtheperformancesoftheexistingrelayprotectiondeviceanddevelopingnewprinciplerelayprotection.
%K wind
%K farm
%K transmission
%K line
%K relay
%K protection
%K doubly-fed
%K induction
%K generator（DFIG）
%K real-time
%K digitalsimulator（RTDS）
%U http://www.aeps-info.com/aeps/ch/reader/view_abstract.aspx?file_no=201112235&flag=1