Simulation of Top-Oil Temperature for Transformers

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1、PSERCSimulationofTopOilTemperatureforTransformersMastersThesisandFinalProjectReportPowerSystemsEngineeringResearchCenterANationalScienceFoundationIndustry/UniversityCooperativeResearchCentersince1996Cornell•ArizonaState•Berkeley•CarnegieMellon•Colorado

2、SchoolofMinesGeorgiaTech•Illinois•IowaState•TexasA&M•WashingtonState•WisconsinSimulationofTop-OilTemperatureforTransformersThesisandFinalReportYongLiangPSERCPublication01-21February2001InformationaboutthisThesisandProjectReportThisthesiswaspreparedunde

3、rthedirectionof:DanielTylavskyAssociateProfessorSchoolofElectricalEngineeringArizonaStateUniversityTempe,AZ85287-5706Phone:480-965-3460Fax:480-965-0745e-mail:tylavsky@asu.eduThethesisservesasthefinalreportforthePSERCproject“On-LinePeakLoadingofSubstati

4、onDistributionTransformersThroughAccurateTemperaturePrediction.”AdditionalCopiesoftheReportCopiesofthisthesiscanbeobtainedfromthePowerSystemsEngineeringResearchCenter’swebsite,www.pserc.wisc.edu.ThePSERCpublicationnumberis01-21.Foradditionalinformation

5、,contact:PowerSystemsEngineeringResearchCenterCornellUniversity428PhillipsHallIthaca,NewYork14853Phone:607-255-5601Fax:607-255-8871NoticeConcerningReproductionPermissiontocopywithoutfeeallorpartofthispublicationisgrantedifappropriateattributionisgivent

6、othisdocumentasthesourcematerial.AcknowledgementsTheworkdescribedinthisthesiswassponsoredbythePowerSystemsEngineeringResearchCenter(PSERC).WeexpressourappreciationforthesupportprovidedbyPSERC’sindustrialmembersandbytheNationalScienceFoundationthroughth

7、egrantNSFEEC-0001880toArizonaStateUniversityreceivedundertheNSFIndustry/UniversityCooperativeResearchCenterprogram.ExecutiveSummaryWhenatransformer'swindinggetstoohot,eithertheloadhastobereducedasashort-termsolutionoranothertransformerbayneedstobeinsta

8、lledasalong-termsolution.Todecideonwhetherandwhentoemployeitherofthesetwostrategies,oneneedsbeabletopredictthetransformertemperatureaccurately.Thereareseveraltransformermodelsforpredictingtop-oiltemperature.Theseincludethetraditionaltop