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1、NEWMETHODOLOGYFORTRANSMISSIONLINERELAYTESTINGANDEVALUATIONUSINGADVANCEDTOOLSAThesisbyDRAGANRISTANOVICSubmittedtotheOfficeofGraduateStudiesofTexasA&MUniversityinpartialfulfillmentoftherequirementsforthedegreeofMASTEROFSCIENCEDecember2003MajorSubject:ElectricalEngineeringNEWMETHODOLOGYFORTRANSMISSI
2、ONLINERELAYTESTINGANDEVALUATIONUSINGADVANCEDTOOLSAThesisbyDRAGANRISTANOVICSubmittedtoTexasA&MUniversityinpartialfulfillmentoftherequirementsforthedegreeofMASTEROFSCIENCEApprovedastostyleandcontentby:____________________________________________________________________MladenKezunovicAliAbur(Chairof
3、Committee)(Member)____________________________________________________________________ZixiangXiongWilliamM.Lively(Member)(Member)__________________________________ChananSingh(HeadofDepartment)December2003MajorSubject:ElectricalEngineeringiiiABSTRACTNewMethodologyforTransmissionLineRelayTestingand
4、EvaluationUsingAdvancedTools.(December2003)DraganRistanovic,B.S.,UniversityofBelgrade,YugoslaviaChairofAdvisoryCommittee:Dr.MladenKezunovicProtectiverelaysareimportantpartsofthepowersystem.Theprotectionguardsvaluableequipment,andprotectiverelaysplayavitalroleinperformingthetask.Therelaydetectsfau
5、ltconditionswithinanassignedarea,opensandclosesoutputcontactstocausetheoperationofotherdevicesunderitscontrol.Therelayactstooperatetheappropriatecircuitbreakerstopreventdamagetopersonnelandproperty.Toensureconsistentreliabilityandproperoperation,protectiverelayequipmentmustbeevaluatedandtested.Th
6、eimportanceoftherelayevaluationissueislinkedtocapabilitytotesttherelaysandrelayingsystemsusingveryaccuratewaveformrepresentationofafaultevent.Thepurposeoftestingprotectiverelaysistoensurecorrectoperationoftherelayforallpossiblepowersystemconditionsanddisturbances.Tofulfillthispurpose,relaytesting
7、invaryingnetworkconfigurationsandwithdifferentfaulttypesisrequired.Thereareavarietyofoptionsthathavedifferentperformancepotentialsandimplementationconstraints.Useofdigitalsimulatorstotestprotectiverelayshasproventobean
