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1、242THYRISTORCONTROLLEDVOLTAGEREGULATORSWorkingGroupB4.35February2004THYRISTORCONTROLLEDVOLTAGEREGULATORSCIGRE-InternationalCouncilonLargePowerSystemsSCB-4HVDCandPowerElectronicsWGB4.35REPORTSUBMITTEDTOSTUDYCOMMITTEEB4FEBRUARY28,2004CIGREWGB4.35MembersJohnVithayathil(Convenor)M.
2、Arunachalam,Abdel-AtyEdris,BjornEkehov,YannyFu,HansHenningLessmann-Mieske,MojtabaMohaddes,JiriPavelka,ArunPhadke,KadrySadek,RogerShuttleworthandCarsonTaylorCopyright©2002Toutdétenteurd'unepublicationCIGREsursupportpapierouélectroniquen'enpossèdequ'undroitd'usage.Sontinterdites,
3、saufaccordexpressduCIGRE,lareproductiontotaleoupartielleautrequ'àusagepersonneletprivé,ettoutemiseadispositiondetiers,dontladiffusionsurunréseauintranetouunréseaud'entreprise.Copyright©2002OwnershipofaCIGREpublication,whetherinpaperformoronelectronicsupportonlyinfersrightofusef
4、orpersonalpurposes..Areprohibited,exceptifexplicityagreedbyCIGRE,totalorpartialreproductionofthepublicationforuseotherthanpersonalandtransfertoathirdparty;hencecirculationonanyintranetorothercompanynetworkisforbidden.TABLEOFCONTENTSSUMMARY4I.INTRODUCTION4II.STATICREACTIVEPOWERR
5、EGULATION6II.1.VoltageControlledStaticVARCompensator(VCSVC)6II.1.1BasicCircuit6II.1.2.EquipmentRatings12II.1.3.ComparisonwithConventionalSVCs15II.1.4SimulationResults19II.2ShuntCapacitorBankSeriesShorting(CAPS)23II.2.1Background23II.2.3Summary26II.3.Delta-starswitching26II.3.1.
6、Background26II.3.2.DetailedDescriptionoftheMethod28II.4Protection31II.4.1Introduction:31II.4.2ProtectionZones:33II.4.3ProtectionofsubsystemsofThyristorControlledVoltageRegulators34II.5Conclusion36III.TRANSFORMERTAPCHANGERS36III.1Introduction36III.2ThyristorSubstitutionofMechani
7、calContacts37III.2.1CommutationProblem37III.2.2Losses39III.2.3FaultCurrentRating39III.2.4TapChangerLocation39III.2.5NumberofThyristors39III.3HybridThyristor-typeOLTC41III.3.1BasicConcept:41III.3.2HybridThyristor-typeDiverterSwitchwithoutTransitionResistor:41III.3.3HybridThyrist
8、or-typeDiverterSwitchwithTransitionResistor43III.3.4Co
