SuperconductingMagneticEnergyStorageforPowerSystemApplications电力系统设备的超导磁储能Abstract-Asurveyofthetechnologyofsuperconductingmag-neticenergystorage(SMES)wasmade.Thistechnologyisat-tractiveforitshighefficiencyandfastresponse,butalsodubiousforthecapitalinvestment.ResearchmadeintheUSAandJapanresultedinseveralconceptualdesignsfortheutilityscaleSMESsystems.ExperimentsonpowersystemmodelsprovedthatSMESsystemsofferotherbenefitsinadditiontoenergystorage.EconomicevaluationsshowedthattheSMESiscompetitivewithpumpedhydro,especiallywhentheenergypricehikes.ApowerflowprogramisusedtoverifytheapplicationofaSMESplanttotheTaiwanpower(Taipower)system摘要——一个关于超导磁能储存的技术被研发出来了。这项技术涉它高效且响应速度快，但是相关投资经费却被怀疑。在美国和日本的研究导致了几项公共事业项目SMES系统的概念设计。电力系统模型实验证明出除了能量储存，SMES系统还提供了其他的好处。经济测度显示SMES在水电方面很有竞争力，特别是在能源价格上涨的时候。功率流方案被用于去证明SMES的设备被安插在了台湾的dialing系统中。I.INTRODUCTION前言SINCEthediscoveryofsuperconductivity,peoplehaveexpectedarevolutiontooccurinthefieldofelectricalengineering.However,theconditionsoflowtransitiontemper-ature(Tc),criticalmagneticfieldandcriticalcurrentdensityhavelimitedtheapplicationsofthesuperconductors.Severalnewsuperconductivematerialsofhightransitiontemperaturehavebeenannouncedsince1987.ThehighT,supercon-ductorshavebeenconsideredhelpfultoreducethecostofsuperconductingequipmentandexpandtheapplicationsofsuperconductors.TheapplicationoftheSMESonanelectricpowersystemwasfirstproposedin1969.Thisideaistochargethesuperconductingmagnetwiththesurplusgenerationofthebaseloadunitsduringoff-peaktime,anddischargetotheacsystemduringpeaktime.UsingaSMESplant,largethermalandnuclearunitscanconstantlyoperateattheoptimaloutputandpickupthepeakloadwithoutinstallingtoomanypeakingunits.TheSMESsystemcanalsobenefitthepowersystembyincreasingthecapacityofatransmissionsystem,reducingtransientovervoltage,enhancingthespinningreserveandregulatingsystemvoltage.Ofcourse,asingleSMESunitcannotservethosefunctionswiththesamedesigncriteria.Themostremarkablefeaturesarethehighefficiencyofmorethan90%andthefastresponseinmillisec