电力系统的次同步振荡问题_文劲宇

3612Vol.36No.122008616PowerSystemProtectionandControlJune16,2008SubsynchronousoscillationinelectricpowersystemsWENJin-yu,SUNHai-shun,CHENGShi-jie(HubeiElectricPowerSecurityandHighEfficiencyKeyLab,HuazhongUniversityofScienceandTechnology,Wuhan430074,China)Abstract:InChinathesubsynchronousoscillation(SSO)inelectricpowersystemshasbeenamoreseriousproblemthanbeforebecauseofthefastdevelopmentofthescaleofthepowersystemsandthewideuseofthe(thyristorcontrolled)seriescapacitorsandHVDC.InthispaperthecautionsandharmfulnessofSSOareintroducedandthecorrespondingresearchprogressisreviewed.FourtypesofSSOincludinginductivegeneratoreffect,torsionaloscillation,transienttorqueamplificationandSSOcausedbyotherelectricalequipmentssuchasPSS,SVCandHVDCetalarediscussed.ThenewcharacteristicsofSSOinmodernpowersystemsaregivenintheconclusionofthepaper.Keywords:subsynchronousoscillation;subsynchronousresonance;torsionaloscillation;selfexcitation;transienttorqueamplificationTM71A1674-3415(2008)12-0001-042030SelfExcitation[1]InductionGeneratorEffect-2-19701971Mohave[2]30.5HzSubsynchronousResonance,SSRShaftTorqueAmplication1977SquareButteHVDC[3]HVDCHVDC[4,5]HVDCPSSSVCTCSC70IEEE1973Sub-synchronousResonanceWorkingGroupSSRWGIEEEIEEE[6,7][8~10]IEEE[11~15]EPRI-3-[16,17]1984331240mm751985102519868615mm1988125155[18]IEEESubsynchronousResonanceSSRSubsynchronousOscillationSSOPSSHVDCFACTSIEEE(1)InductiveGeneratorEffect(2)TorsionalOscillation[11](3)TransientTorqueAmplifica-tion(4)PSSSVCHVDCPSSPSS0.1~2.0Hz-4-HVDCHVDCSVCFACTS1040626Hz[17](1)(2)600MW20HVDCFACTSRustebakkeHM,ConcordiaC.Self-excitedOscilla-tionsinaTransmissionSystemUsingSeriesCapacitors[J].IEEETransonPowerApparatusandSystems,1970,89(7):1504-1512.WalkerDN,BowlerCE,JacksonRL,etal.ResultsofSubsynchronousResonanceTestatMohave[J].IEEETransonPowerApparatusandSystems,1975,94(5):1878-1889.BahrmanM,LarsenEV,PiwkoRJ,etal.ExperiencewithHVDC-turbine-generatorTorsionalInteractionatSquareButte[J].IEEETransonPowerApparatusandSystems,1980,99(3):966-975.MortensenK,LarsenEV.FieldTestsandAnalysisofTorsionalInteractionBetweentheCoalCreekTurbine-generatorsandtheCUHVDCSystem[J].IEEETransonPowerApparatusandSystems,1981,100(1):336-344.YacamimiR.HowHVDCSchemesCanExciteTorsionaloscillationsinTurbo-alternatorShafts[J].ProceedingsofIEE-Generation,TransmissionandDistribution,1995,142(6):613-617.IEEESubsynchronousResonanceWorkingGroup.FirstBenchmarkModelforComputerSimulationofSubsynchronousResonance[J].IEEETransonPowerApparatusandSystems,1977,96(5):1565-1572.IEEESubsynchronousResonanceWorkingGroup.Sec-ondBenchmarkModelforComputerSimulationofSubsynchronousResonance[J].IEEETransonPowerApparatusandSystems,1985,104(5):1057-1066.IEEESubsynchronousResonanceWorkingGroup.Pro-posedTermsandDefinitionsforSubsynchronousOscillations[J].IEEETransonPowerApparatusandSystems,1980,99(2):506-511.IEEESubsynchronousResonanceWorkingGroup.Terms,DefinitionsandSymbolsforSubsynchronousOscillations[J].IEEETransonPowerApparatusandSystems,1985,104(6):1326-1334.IEEECommitteeReport.Reader’sGuidetoSubsynch-ronousResonance[J].IEEETransonPowerSystems,1992,7(1):150-157.IEEECommitteeReport.ABibliographyfortheStudyofSubsynchronousResonanceBetweenRotatingMachinesandPowerSystems[J].IEEETransonPowerApparatusandSystems,1976,95(1):216-218.IEEECommitteeReport.FirstSupplementtoaBibliogra-phyfortheStudyofSubsynchronousResonanceBetweenRotatingMachinesandPowerSystems[J].IEEETransonPowerApparatusandSystems,1979,98(6):1872-1875.7continuedonpage7-7-.5%5%(7)600~1000MW600~1000MW/E-mail:[e-mail]o-graphyfortheStudyofSubsynchronousResonanceBetweenRotatingMachinesandPowerSystems[J].IEEETransonPowerApparatusandSystems,1985,104(2):321-327.IEEECommitteeReport.ThirdSupplementtoaBiblio-graphyfortheStudyofSubsynchronousResonanceBetweenRotatingMachinesandPowerSystems[J].IEEETransonPowerSystems,1991,6(2):830-833.IravaniMR,AgrawalBL,BakerDH,etal.FourthSupplementtoaBibliographyfortheStudyofSubsynchronousResonanceBetweenRotatingMachinesandPowerSystems[J].IEEETransonPowerSystems,1997,12(3):1276-1282.AndersonPM,AgrawalBL,VanNessJE.Subsyn-chronousResonanceinPowerSystems[M].NewYork:IEEEPress,1989.PadiyarKR.AnalysisofSubsynchronousResonanceinPowerSystems[J].KluwerAcademicPublisher,1998..[M].2008.E-mail:[e-mail]-mail:[e-mail]