Compensation of PV Module Current for Reduction of Mismatch Losses in PV Systems | Zendy

Hee-Wook Ahn | Zendy; Gi-Yob Park | Zendy

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Compensation of PV Module Current for Reduction of Mismatch Losses in PV Systems

Author(s) -

Hee-Wook Ahn,

Gi-Yob Park

Publication year - 2012

Publication title -

journal of the korean solar energy society

Language(s) - English

Resource type - Journals

eISSN - 2508-3562

pISSN - 1598-6411

DOI - 10.7836/kses.2012.32.3.026

Subject(s) - compensation (psychology) , current (fluid) , photovoltaic system , electrical engineering , reduction (mathematics) , control theory (sociology) , environmental science , automotive engineering , physics , computer science , engineering , mathematics , psychology , geometry , psychoanalysis , control (management) , artificial intelligence

AcurrentcompensationmethodtoreducethemismatchlossinPVsystemsisproposedasawaytoincreasethepowergenerationefficiency.Adc-dcconverterisusedtosupplycurrentstoirregularmodulesinaPVstringandispoweredfromthestringoutput.Theconverter'svoltageconversionratioisadjustedsothatallthemodulesinthestringareoperatedatthemaximumpowerpoint.Thepowerratingandsizeoftheconvertercanbereducedsinceonlythecurrentdifferencebetweentheregularandirregularmodulemaybesupplied.Thecompensatedstringshowsverylittlevoltagemismatchcomparedtootherregularstrings.ThevalidityoftheproposedmethodisverifiedthroughasimulationandexperimentsinaprototypePVsystem.Keywords:(PVsystem),(MismatchLoss),(MismatchCompensationConverter),(LocalMaximum) 1. (PVsystem).PV,PV [] JournaloftheKoreanSolarEnergySocietyVol. 32, No. 3, 2012ISSN 1598-6411Submitdate:2012.1.31,Judgmentdate:2012.2.11,Publicationdecidedate:2012.6.5Communicationauthor:Ahn,Hee-Wook(hwahn@kumoh.ac.kr)

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