High Efficiency High Step-up Isolated DC-DC Converter for Photovoltaic Applications

Chang Wang, Mingxiao Li, Ziwei Ouyang, Gang Wang

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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Abstract

A high efficiency and high step-up isolated DC-DC converter with a new topology configuration for photovoltaic (PV) application is proposed in this paper. This converter consists of a Zero-Voltage-Switching (ZVS) and Zero-Current-Switching (ZCS) current-fed push-pull converter as a DC transformer dealing with most of power and an active clamp flyback (ACF) converter as a regulator with considerable high efficiency within a large conversion range. The two converters are constructed with the input-parallel-output-series (IPOS) structure. The inputparallel connection is able to share the large input current as well as reduce the current ripple, while the output-series connection is used to increase the output voltage gain. A 400 V / 400 W experimental prototype with an input voltage range of 24 V - 32 V is built. The maximum efficiency reaches at 95.1%. The experimental result validates the correctness of the analysis and proves the feasibility of the proposed topology for the photovoltaic applications.
Original languageEnglish
Title of host publicationProceedings of the 34th annual IEEE Applied Power Electronics Conference and Exposition
PublisherIEEE
Publication date2019
Pages1273-80
ISBN (Print)9781538683293
DOIs
Publication statusPublished - 2019
Event34th annual IEEE Applied Power Electronics Conference and Exposition - Anaheim convention center, Anaheim, United States
Duration: 17 Mar 201921 Mar 2019

Conference

Conference34th annual IEEE Applied Power Electronics Conference and Exposition
LocationAnaheim convention center
CountryUnited States
CityAnaheim
Period17/03/201921/03/2019

Keywords

  • High step-up dc-dc converter
  • Photovoltaic
  • ZVC/ZCS current-fed push-pull
  • Active clamp flyback
  • Inputparallel-output-series

Cite this

Wang, C., Li, M., Ouyang, Z., & Wang, G. (2019). High Efficiency High Step-up Isolated DC-DC Converter for Photovoltaic Applications. In Proceedings of the 34th annual IEEE Applied Power Electronics Conference and Exposition (pp. 1273-80). IEEE. https://doi.org/10.1109/APEC.2019.8721916
Wang, Chang ; Li, Mingxiao ; Ouyang, Ziwei ; Wang, Gang . / High Efficiency High Step-up Isolated DC-DC Converter for Photovoltaic Applications. Proceedings of the 34th annual IEEE Applied Power Electronics Conference and Exposition. IEEE, 2019. pp. 1273-80
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title = "High Efficiency High Step-up Isolated DC-DC Converter for Photovoltaic Applications",
abstract = "A high efficiency and high step-up isolated DC-DC converter with a new topology configuration for photovoltaic (PV) application is proposed in this paper. This converter consists of a Zero-Voltage-Switching (ZVS) and Zero-Current-Switching (ZCS) current-fed push-pull converter as a DC transformer dealing with most of power and an active clamp flyback (ACF) converter as a regulator with considerable high efficiency within a large conversion range. The two converters are constructed with the input-parallel-output-series (IPOS) structure. The inputparallel connection is able to share the large input current as well as reduce the current ripple, while the output-series connection is used to increase the output voltage gain. A 400 V / 400 W experimental prototype with an input voltage range of 24 V - 32 V is built. The maximum efficiency reaches at 95.1{\%}. The experimental result validates the correctness of the analysis and proves the feasibility of the proposed topology for the photovoltaic applications.",
keywords = "High step-up dc-dc converter, Photovoltaic, ZVC/ZCS current-fed push-pull, Active clamp flyback, Inputparallel-output-series",
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Wang, C, Li, M, Ouyang, Z & Wang, G 2019, High Efficiency High Step-up Isolated DC-DC Converter for Photovoltaic Applications. in Proceedings of the 34th annual IEEE Applied Power Electronics Conference and Exposition. IEEE, pp. 1273-80, 34th annual IEEE Applied Power Electronics Conference and Exposition, Anaheim, United States, 17/03/2019. https://doi.org/10.1109/APEC.2019.8721916

High Efficiency High Step-up Isolated DC-DC Converter for Photovoltaic Applications. / Wang, Chang; Li, Mingxiao; Ouyang, Ziwei; Wang, Gang .

Proceedings of the 34th annual IEEE Applied Power Electronics Conference and Exposition. IEEE, 2019. p. 1273-80.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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N2 - A high efficiency and high step-up isolated DC-DC converter with a new topology configuration for photovoltaic (PV) application is proposed in this paper. This converter consists of a Zero-Voltage-Switching (ZVS) and Zero-Current-Switching (ZCS) current-fed push-pull converter as a DC transformer dealing with most of power and an active clamp flyback (ACF) converter as a regulator with considerable high efficiency within a large conversion range. The two converters are constructed with the input-parallel-output-series (IPOS) structure. The inputparallel connection is able to share the large input current as well as reduce the current ripple, while the output-series connection is used to increase the output voltage gain. A 400 V / 400 W experimental prototype with an input voltage range of 24 V - 32 V is built. The maximum efficiency reaches at 95.1%. The experimental result validates the correctness of the analysis and proves the feasibility of the proposed topology for the photovoltaic applications.

AB - A high efficiency and high step-up isolated DC-DC converter with a new topology configuration for photovoltaic (PV) application is proposed in this paper. This converter consists of a Zero-Voltage-Switching (ZVS) and Zero-Current-Switching (ZCS) current-fed push-pull converter as a DC transformer dealing with most of power and an active clamp flyback (ACF) converter as a regulator with considerable high efficiency within a large conversion range. The two converters are constructed with the input-parallel-output-series (IPOS) structure. The inputparallel connection is able to share the large input current as well as reduce the current ripple, while the output-series connection is used to increase the output voltage gain. A 400 V / 400 W experimental prototype with an input voltage range of 24 V - 32 V is built. The maximum efficiency reaches at 95.1%. The experimental result validates the correctness of the analysis and proves the feasibility of the proposed topology for the photovoltaic applications.

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Wang C, Li M, Ouyang Z, Wang G. High Efficiency High Step-up Isolated DC-DC Converter for Photovoltaic Applications. In Proceedings of the 34th annual IEEE Applied Power Electronics Conference and Exposition. IEEE. 2019. p. 1273-80 https://doi.org/10.1109/APEC.2019.8721916