Cycloconverter–type high frequency link inverter for photovoltaic application

The abundance solar energy in this country has triggered the interest of researchers to develop local products to be used in the solar photovoltaic (PV) systems. Although the development of solar cell itself is somewhat far from target, the power converter design is well within reach. This paper pre...

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Main Authors: Salam, Zainal, Nge, Chee Lim, Toh, Leong Soon, Ramli, Mohd. Zulkifli
Format: Article
Published: The Institution of Engineers, Malaysia 2006
Subjects:
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author Salam, Zainal
Nge, Chee Lim
Toh, Leong Soon
Ramli, Mohd. Zulkifli
author_facet Salam, Zainal
Nge, Chee Lim
Toh, Leong Soon
Ramli, Mohd. Zulkifli
author_sort Salam, Zainal
collection ePrints
description The abundance solar energy in this country has triggered the interest of researchers to develop local products to be used in the solar photovoltaic (PV) systems. Although the development of solar cell itself is somewhat far from target, the power converter design is well within reach. This paper presents a dc to ac power converter which can be suitably fitted in a solar PV system. The topology is an isolated cycloconverter-type high frequency link inverter that consists of three arms of bidirectional switches at the transformer secondary. The inverter has the advantages of light weight and reduced switch count. Furthermore, to overcome high voltage surge problem and power device switching loss, the natural commutation method that enables soft switching operation is applied. To verify the viability of the scheme, a low-power laboratory prototype is constructed. The prototype inverter is able to supply a near sinusoidal output voltage with a total harmonic distortion of less than 1%. The total power conversion efficiency reaches 86% when the output power is beyond 300W.
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spelling utm.eprints-3602018-03-07T20:52:07Z http://eprints.utm.my/360/ Cycloconverter–type high frequency link inverter for photovoltaic application Salam, Zainal Nge, Chee Lim Toh, Leong Soon Ramli, Mohd. Zulkifli TK Electrical engineering. Electronics Nuclear engineering The abundance solar energy in this country has triggered the interest of researchers to develop local products to be used in the solar photovoltaic (PV) systems. Although the development of solar cell itself is somewhat far from target, the power converter design is well within reach. This paper presents a dc to ac power converter which can be suitably fitted in a solar PV system. The topology is an isolated cycloconverter-type high frequency link inverter that consists of three arms of bidirectional switches at the transformer secondary. The inverter has the advantages of light weight and reduced switch count. Furthermore, to overcome high voltage surge problem and power device switching loss, the natural commutation method that enables soft switching operation is applied. To verify the viability of the scheme, a low-power laboratory prototype is constructed. The prototype inverter is able to supply a near sinusoidal output voltage with a total harmonic distortion of less than 1%. The total power conversion efficiency reaches 86% when the output power is beyond 300W. The Institution of Engineers, Malaysia 2006-03 Article PeerReviewed Salam, Zainal and Nge, Chee Lim and Toh, Leong Soon and Ramli, Mohd. Zulkifli (2006) Cycloconverter–type high frequency link inverter for photovoltaic application. Journal of the Institution of Engineers, Malaysia, 67 (1). pp. 49-56. ISSN 0126-513X http://dspace.unimap.edu.my/dspace/bitstream/123456789/13764/1/049-056_225cycloconverter.pdf
spellingShingle TK Electrical engineering. Electronics Nuclear engineering
Salam, Zainal
Nge, Chee Lim
Toh, Leong Soon
Ramli, Mohd. Zulkifli
Cycloconverter–type high frequency link inverter for photovoltaic application
title Cycloconverter–type high frequency link inverter for photovoltaic application
title_full Cycloconverter–type high frequency link inverter for photovoltaic application
title_fullStr Cycloconverter–type high frequency link inverter for photovoltaic application
title_full_unstemmed Cycloconverter–type high frequency link inverter for photovoltaic application
title_short Cycloconverter–type high frequency link inverter for photovoltaic application
title_sort cycloconverter type high frequency link inverter for photovoltaic application
topic TK Electrical engineering. Electronics Nuclear engineering
work_keys_str_mv AT salamzainal cycloconvertertypehighfrequencylinkinverterforphotovoltaicapplication
AT ngecheelim cycloconvertertypehighfrequencylinkinverterforphotovoltaicapplication
AT tohleongsoon cycloconvertertypehighfrequencylinkinverterforphotovoltaicapplication
AT ramlimohdzulkifli cycloconvertertypehighfrequencylinkinverterforphotovoltaicapplication