SerialMPPTElectricalPowerSystemStabilityforSpaceApplication

doi:10.3780/j.issn.1000.758X.2014.04.008

Abstract

Abstract: Instabilityphenomenasuchasbusvoltagefluctuations occurinserialmaximumpowerpointtracking(MPPT)electricalpowersystem(EPS).Tostudythestability, systemequivalentcircuitmodelswerebuiltbasedonaserialMPPTunregulatedbusEPStopologyforspaceapplication.ThesmallsignalequivalentanalysismethodandeigenvaluesofstatespaceequationssolvingmethodwereadoptedtoperformstabilityanalysisintheMPPTcontroldomainandthevoltagecontroldomain.Keyconclusionsareobtainedundertheconditionsofconstantsolararray(SA)andarraypowerregulator(APR)characteristics.ThesystemstabilitydependsontheparametersofinductorsandcapacitorsbetweentheSAandAPR.AserialMPPTunregulatedbusEPSmodelisbuiltinMATLAB/SIMULINK,andthesimulationresultsvalidatetheaboveconclusions.

Key words: Maximumpowerpointtracking, Stability, Smallsignalequivalentanalysis, Statespaceequations, Spaceelectricalpowersystem

LIN Wen-Li, ZHANG Xiao-Feng, DU Qing, WANG Chao. SerialMPPTElectricalPowerSystemStabilityforSpaceApplication[J]. Chinese Space Science and Technology, 2014, 34(4): 53-.

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URL: https://journal26.magtechjournal.com/kjkxjs/EN/10.3780/j.issn.1000.758X.2014.04.008

https://journal26.magtechjournal.com/kjkxjs/EN/Y2014/V34/I4/53

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SerialMPPTElectricalPowerSystemStabilityforSpaceApplication

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