资源描述:
《Single-phase ac impedance modeling for stability of integrat》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、Single-PhaseacImpedanceModelingforStabilityofIntegratedPowerSystemsJingHuang,StudentMember,IEEE,KeithCorzine,Member,IEEEandMohamedBelkhayatthesourceimpedance(lookingbacktotheleft)andloadAbstract—Todate,theonlypowersystemstabilityrequirementimpedance(lookingtoth
2、eright).Theinjectioncurrentmaythatcanbedecomposedorquantitatively"flowed"downtoconsistofsuppressedcarriersignalsfromalinearamplifierascomponentdesignrequirementsareimpedancebased.Impedancedetailedinpreviousresearch[5].Theinjectionsignalsmaybasedrequirementshave
3、beenadvancedforbothdcandalsocomefrompowerelectronicchoppercircuitsorfromanthree-phaseacbutnoneforsingle-phaseacinterfaces.Whatareultimatelyneededareuniversalstabilityrequirementsthatareexternallyconnectedelectricmachine[6].Comparedtodcapplicabletodc,single-phas
4、eac,andthree-phaseacinterfacesasimpedancemeasurement,thesetechniquesarerelativelynew.wellasameasurementtoolwhichcanbeusedtoenforcetheAnevennewerconceptistheuseofapowerelectronicchopperrequirementsatallinterfaceswithoutchangingthefundamentalcircuitwhichinjectsal
5、ine-to-linecurrentdisturbanceforstructureoftheimpedancemeasurementdevice.Theseadvancedthree-phaseimpedancemeasurement[7].Inanycase,thetechniquesshouldbeapplicabletoallvoltagelevelscurrentlyinmeasuredimpedancesareinthed-qsynchronousreferenceusebynavysystems,incl
6、udingtheanticipated13.8kVsystems.Thispaperlaysthegroundworkforuniversalstabilityframewherethesystemmodelcanbelinearizedaroundanrequirementsbyprovidingtechnicaldetailoftheimpedanceoperatingpoint[4-7].analysisofthesingle-phaseacsystem.ModeldevelopmentandTheneedfo
7、rstabilityassessmentofdcandthree-phaseacsimulationofimpedanceextractionarepresented.systemsfornavalapplicationsisreadilyunderstood.However,someportionsofthesystemcontainlow-voltagesingle-phaseIndexTerms—single-phaseac,impedancemeasurement,acwhichcouldalsobeunst
8、able.Impedancemodelinginthisstability,small-signalmodel.areaisparticularlyunique,sincesingle-phaseacdoesnothaveaconstantoperatingpointaswithdcanddoesnothaveanI.BACKGROUNDobv