Thesis - Optimal fault location

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1、OPTIMALFAULTLOCATIONAThesisbyMAJAKNEZEVSubmittedtotheOfficeofGraduateStudiesofTexasA&MUniversityinpartialfulfillmentoftherequirementsforthedegreeofMASTEROFSCIENCEDecember2007MajorSubject:ElectricalEngineeringOPTIMALFAULTLOCATIONAThesisbyMAJAKNEZEVSubmittedtotheOfficeofGraduateStudiesofTexasA&

2、MUniversityinpartialfulfillmentoftherequirementsforthedegreeofMASTEROFSCIENCEApprovedby:ChairofCommittee,MladenKezunovicCommitteeMembers,ChananSinghSunilKhatriWilliamLivelyHeadofDepartment,CostasGeorghiadesDecember2007MajorSubject:ElectricalEngineeringiiiABSTRACTOptimalFaultLocation.(December

3、2007)MajaKnezev,Dipl.Ing.,UniversityofNoviSadChairofAdvisoryCommittee:Dr.MladenKezunovicBasicgoalofpowersystemistocontinuouslyprovideelectricalenergytotheusers.Likewithanyothersystem,failuresinpowersystemcanoccur.Inthosesituationsitiscriticalthatcorrectremedialactionsareappliedassoonaspossibl

4、eaftertheaccuratefaultconditionandlocationaredetected.Thisthesishasbeenfocusingonautomatedfaultlocationprocedure.Differentfaultlocationalgorithms,classifiedaccordingtothespatialplacementofphysicalmeasurementsonsingleended,multipleendedandsparsesystem-wide,areinvestigated.Asoutcomeofthisreview

5、,methodsarelistedasfunctionofdifferentparametersthatinfluencetheiraccuracy.Thiscomparisonisthanusedforgeneratingprocedureforoptimalfaultlocationalgorithmselection.Accordingtoavailabledata,andpositionofthefaultwithrespecttothedata,proposedproceduredecidesbetweendifferentalgorithmsandselectsano

6、ptimalone.Anewapproachisdevelopedbyutilizingdifferentdatastructuressuchasbinarytreeandserializationinordertoefficientlyimplementalgorithmdecisionengine.Afteraccuracyofalgorithmsisstronglyinfluencedbyavailableinputdata,differentdatasourcesarerecommendedinproposedarchitecturesuchasthedigitalfau

7、ltrecorders,circuitbreakermonitoring,SCADA,powersystemmodelandetc.Algorithmfordeterminingfaultedsectionisproposedbasedonthedatafromcircuitbreakermonitoringdevices.Thisalgorithmworksinrealtimebyrecognizingtowhichsequenceofeventsnewlyobtainedre