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Unified MPPT control strategy for Z-source inverter based photovoltaic power conversion systems

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Bibliographic Details
Main Author: Sengodan, Thangaprakash
Other Authors: thangaprakash@unimap.edu.my
Format: Article
Language:English
Published: The Korean Institute of Power Electronics 2014
Subjects:
Capacitor voltage control
Maximum power point tracking
Photovoltaic array
Pulse width modulation
Z-source inverter
Online Access:http://dspace.unimap.edu.my:80/dspace/handle/123456789/32064
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spelling my.unimap-320642014-02-20T13:31:21Z Unified MPPT control strategy for Z-source inverter based photovoltaic power conversion systems Sengodan, Thangaprakash thangaprakash@unimap.edu.my Capacitor voltage control Maximum power point tracking Photovoltaic array Pulse width modulation Z-source inverter Link to publisher's homepage at http://eng.kipe.or.kr/ Z-source inverters (ZSI) are used to realize both DC voltage boost and DC-AC inversion in single stage with a reduced number of power switching devices. A traditional MPPT control algorithm provides a shoot-through interval which should be inserted in the switching waveforms of the inverter to output the maximum power to the Z-network. At this instant, the voltage across the Z-source capacitor is equal to the output voltage of a PV array at the maximum power point (MPP). The control of the Z-source capacitor voltage beyond the MPP voltage of a PV array is not facilitated in traditional MPPT algorithms. This paper presents a unified MPPT control algorithm to simultaneously achieve MPPT as well as Z-source capacitor voltage control. Development and implementation of the proposed algorithm and a comparison with traditional results are discussed. The effectiveness of the proposed unified MPPT control strategy is implemented in Matlab/Simulink software and verified by experimental results 2014-02-20T13:02:53Z 2014-02-20T13:02:53Z 2012-01 Article Journal of Power Electronics, vol. 12(1), 2012, pages 172-180 1598-2092 http://www.jpe.or.kr/archives/list_detail_articles.asp?seq=49&year=%202012 http://dspace.unimap.edu.my:80/dspace/handle/123456789/32064 en The Korean Institute of Power Electronics
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Capacitor voltage control
Maximum power point tracking
Photovoltaic array
Pulse width modulation
Z-source inverter
spellingShingle Capacitor voltage control
Maximum power point tracking
Photovoltaic array
Pulse width modulation
Z-source inverter
Sengodan, Thangaprakash
Unified MPPT control strategy for Z-source inverter based photovoltaic power conversion systems
description Link to publisher's homepage at http://eng.kipe.or.kr/
author2 thangaprakash@unimap.edu.my
author_facet thangaprakash@unimap.edu.my
Sengodan, Thangaprakash
format Article
author Sengodan, Thangaprakash
author_sort Sengodan, Thangaprakash
title Unified MPPT control strategy for Z-source inverter based photovoltaic power conversion systems
title_short Unified MPPT control strategy for Z-source inverter based photovoltaic power conversion systems
title_full Unified MPPT control strategy for Z-source inverter based photovoltaic power conversion systems
title_fullStr Unified MPPT control strategy for Z-source inverter based photovoltaic power conversion systems
title_full_unstemmed Unified MPPT control strategy for Z-source inverter based photovoltaic power conversion systems
title_sort unified mppt control strategy for z-source inverter based photovoltaic power conversion systems
publisher The Korean Institute of Power Electronics
publishDate 2014
url http://dspace.unimap.edu.my:80/dspace/handle/123456789/32064
_version_ 1643796755523829760
score 13.222552

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