Analysis and Implementation of a Hybrid DC Converter with Wide Voltage Variation

A new hybrid DC converter is proposed and implemented to have wide voltage variation operation and bidirectional power flow capability for photovoltaic power applications. The hybrid DC converter, including a half- or full-bridge resonant circuit, is adopted to realize the bidirectional power operat...

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Autores principales:	Bor-Ren Lin, Yue-Ying Zhuang
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	hybrid DC converter bidirectional power flow wide voltage variation soft switching Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/4f5ac0636f214e919ea1781e72aeb4f9
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spelling	oai:doaj.org-article:4f5ac0636f214e919ea1781e72aeb4f92021-11-11T15:15:51ZAnalysis and Implementation of a Hybrid DC Converter with Wide Voltage Variation10.3390/app1121102112076-3417https://doaj.org/article/4f5ac0636f214e919ea1781e72aeb4f92021-10-01T00:00:00Zhttps://www.mdpi.com/2076-3417/11/21/10211https://doaj.org/toc/2076-3417A new hybrid DC converter is proposed and implemented to have wide voltage variation operation and bidirectional power flow capability for photovoltaic power applications. The hybrid DC converter, including a half- or full-bridge resonant circuit, is adopted to realize the bidirectional power operation and low switching losses. To overcome the wide voltage variation problem (60 V–480 V) from photovoltaic panels due to sunlight intensity, the full-bridge structure or half-bridge structure resonant circuit is used in the presented converter to implement high or low voltage gain under a low or high input voltage condition. Using a pulse frequency modulation (PFM) scheme, the voltage transfer function of the resonant circuit is controlled to regulate the load voltage. Due to the symmetric circuit structures used on the primary and the secondary sides in the proposed converter, the bidirectional power flow can be achieved with the same circuit characteristics. Therefore, the proposed converter can be applied to battery stacks to achieve charger and discharger operations. Finally, a 400 W prototype is implemented, and the performance of the proposed hybrid DC converter is confirmed by the experiments.Bor-Ren LinYue-Ying ZhuangMDPI AGarticlehybrid DC converterbidirectional power flowwide voltage variationsoft switchingTechnologyTEngineering (General). Civil engineering (General)TA1-2040Biology (General)QH301-705.5PhysicsQC1-999ChemistryQD1-999ENApplied Sciences, Vol 11, Iss 10211, p 10211 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	hybrid DC converter bidirectional power flow wide voltage variation soft switching Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999
spellingShingle	hybrid DC converter bidirectional power flow wide voltage variation soft switching Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999 Bor-Ren Lin Yue-Ying Zhuang Analysis and Implementation of a Hybrid DC Converter with Wide Voltage Variation
description	A new hybrid DC converter is proposed and implemented to have wide voltage variation operation and bidirectional power flow capability for photovoltaic power applications. The hybrid DC converter, including a half- or full-bridge resonant circuit, is adopted to realize the bidirectional power operation and low switching losses. To overcome the wide voltage variation problem (60 V–480 V) from photovoltaic panels due to sunlight intensity, the full-bridge structure or half-bridge structure resonant circuit is used in the presented converter to implement high or low voltage gain under a low or high input voltage condition. Using a pulse frequency modulation (PFM) scheme, the voltage transfer function of the resonant circuit is controlled to regulate the load voltage. Due to the symmetric circuit structures used on the primary and the secondary sides in the proposed converter, the bidirectional power flow can be achieved with the same circuit characteristics. Therefore, the proposed converter can be applied to battery stacks to achieve charger and discharger operations. Finally, a 400 W prototype is implemented, and the performance of the proposed hybrid DC converter is confirmed by the experiments.
format	article
author	Bor-Ren Lin Yue-Ying Zhuang
author_facet	Bor-Ren Lin Yue-Ying Zhuang
author_sort	Bor-Ren Lin
title	Analysis and Implementation of a Hybrid DC Converter with Wide Voltage Variation
title_short	Analysis and Implementation of a Hybrid DC Converter with Wide Voltage Variation
title_full	Analysis and Implementation of a Hybrid DC Converter with Wide Voltage Variation
title_fullStr	Analysis and Implementation of a Hybrid DC Converter with Wide Voltage Variation
title_full_unstemmed	Analysis and Implementation of a Hybrid DC Converter with Wide Voltage Variation
title_sort	analysis and implementation of a hybrid dc converter with wide voltage variation
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/4f5ac0636f214e919ea1781e72aeb4f9
work_keys_str_mv	AT borrenlin analysisandimplementationofahybriddcconverterwithwidevoltagevariation AT yueyingzhuang analysisandimplementationofahybriddcconverterwithwidevoltagevariation
_version_	1718435977902424064

Analysis and Implementation of a Hybrid DC Converter with Wide Voltage Variation

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