Unified MPPT control strategy for Z-source inverter based photovoltaic power conversion systems
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The Korean Institute of Power Electronics
2014
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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 |
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| language |
English |
| topic |
Capacitor voltage control Maximum power point tracking Photovoltaic array Pulse width modulation Z-source inverter |
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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 |