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Conference Paper: Low-cost global MPPT scheme for photovoltaic systems under partially shaded conditions

TitleLow-cost global MPPT scheme for photovoltaic systems under partially shaded conditions
Authors
KeywordsGlobal maximum
Local maximum
Maximum Power Point Tracking
Operating points
Perturb and observe
Photovoltaic systems
Power conversion
Shadowed conditions
Issue Date2013
PublisherIEEE. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/conhome.jsp?punumber=1000089
Citation
The 2013 IEEE International Symposium on Circuits and Systems (ISCAS 2013), Beijing, China, 19-23 May 2013. In IEEE International Symposium on Circuits and Systems Proceedings, 2013, p. 245-248 How to Cite?
AbstractMaximum Power Point Tracking (MPPT) is a technique applied to improve the efficiency of power conversion in Photovoltaic (PV) systems. Under partially shadowed conditions, the Power-Voltage (P-V) characteristic exhibits multiple peaks and the existing MPPT methods such as the Perturb and Observe (P&O) are incapable of searching for the Global Maximum Power Point (GMPP). This paper proposes a low-cost on-line MPPT scheme to overcome this drawback. By using hybrid numerical searching process, the operating point approaches Local Maximum Power Points (LMPPs) gradually and the GMPP is caught by comparing all the LMPPs. Simulation results prove the effectiveness and correctness of the proposed method. © 2013 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/189855
ISBN
ISSN

 

DC FieldValueLanguage
dc.contributor.authorMa, Jen_US
dc.contributor.authorMan, KLen_US
dc.contributor.authorTing, TOen_US
dc.contributor.authorZhang, Nen_US
dc.contributor.authorLei, CUen_US
dc.contributor.authorWong, Nen_US
dc.date.accessioned2013-09-17T15:00:55Z-
dc.date.available2013-09-17T15:00:55Z-
dc.date.issued2013en_US
dc.identifier.citationThe 2013 IEEE International Symposium on Circuits and Systems (ISCAS 2013), Beijing, China, 19-23 May 2013. In IEEE International Symposium on Circuits and Systems Proceedings, 2013, p. 245-248en_US
dc.identifier.isbn978-1-4673-5762-3-
dc.identifier.issn0271-4302-
dc.identifier.urihttp://hdl.handle.net/10722/189855-
dc.description.abstractMaximum Power Point Tracking (MPPT) is a technique applied to improve the efficiency of power conversion in Photovoltaic (PV) systems. Under partially shadowed conditions, the Power-Voltage (P-V) characteristic exhibits multiple peaks and the existing MPPT methods such as the Perturb and Observe (P&O) are incapable of searching for the Global Maximum Power Point (GMPP). This paper proposes a low-cost on-line MPPT scheme to overcome this drawback. By using hybrid numerical searching process, the operating point approaches Local Maximum Power Points (LMPPs) gradually and the GMPP is caught by comparing all the LMPPs. Simulation results prove the effectiveness and correctness of the proposed method. © 2013 IEEE.-
dc.languageengen_US
dc.publisherIEEE. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/conhome.jsp?punumber=1000089-
dc.relation.ispartofIEEE International Symposium on Circuits and Systems Proceedingsen_US
dc.rightsIEEE International Symposium on Circuits and Systems. Proceedings. Copyright © IEEE.-
dc.rights©2013 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectGlobal maximum-
dc.subjectLocal maximum-
dc.subjectMaximum Power Point Tracking-
dc.subjectOperating points-
dc.subjectPerturb and observe-
dc.subjectPhotovoltaic systems-
dc.subjectPower conversion-
dc.subjectShadowed conditions-
dc.titleLow-cost global MPPT scheme for photovoltaic systems under partially shaded conditionsen_US
dc.typeConference_Paperen_US
dc.identifier.emailLei, CU: culei@eee.hku.hken_US
dc.identifier.emailWong, N: nwong@eee.hku.hken_US
dc.identifier.authorityWong, N=rp00190en_US
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1109/ISCAS.2013.6571828-
dc.identifier.scopuseid_2-s2.0-84883369516-
dc.identifier.hkuros222412en_US
dc.identifier.spage245en_US
dc.identifier.epage248en_US
dc.publisher.placeUnited States-
dc.customcontrol.immutablesml 131030-

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