Novel three-port converter with high-voltage gain

Li Jhan Chien, Chien Chih Chen, Jiann-Fuh Chen, Yi Ping Hsieh

Research output: Contribution to journalArticle

51 Citations (Scopus)

Abstract

In this paper, a novel three-port converter (TPC) with high-voltage gain for stand-alone renewable power system applications is proposed. This converter uses only three switches to achieve the power flow control. Two input sources share only one inductor. Thus, the volume can be reduced. Besides, the conversion ratio of the converter is higher than other TPCs. Thus, the degree of freedom of duty cycle is large. The converter can have a higher voltage gain for both low-voltage ports with a lower turns ratio and a reasonable duty ratio. The voltage stress of switches is low; thus, conduction loss can be further improved by adopting low Rds(on) switches. Therefore, the converter can achieve a high conversion ratio and high efficiency at the same time. The operation principles, steady-state analysis, and control method of the converter are presented and discussed. A prototype of the proposed converter with a low input voltage 24 V for photovoltaic source, a battery port voltage 48 V, and an output voltage 400 V is implemented to verify the theoretical analysis. The power flow control of the converter is also built and tested with a digital signal processor.

Original languageEnglish
Article number6630058
Pages (from-to)4693-4703
Number of pages11
JournalIEEE Transactions on Power Electronics
Volume29
Issue number9
DOIs
Publication statusPublished - 2014 Jan 1

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Electric potential
Switches
Flow control
Power control
Digital signal processors

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Cite this

Chien, Li Jhan ; Chen, Chien Chih ; Chen, Jiann-Fuh ; Hsieh, Yi Ping. / Novel three-port converter with high-voltage gain. In: IEEE Transactions on Power Electronics. 2014 ; Vol. 29, No. 9. pp. 4693-4703.
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Novel three-port converter with high-voltage gain. / Chien, Li Jhan; Chen, Chien Chih; Chen, Jiann-Fuh; Hsieh, Yi Ping.

In: IEEE Transactions on Power Electronics, Vol. 29, No. 9, 6630058, 01.01.2014, p. 4693-4703.

Research output: Contribution to journalArticle

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