Title

An Integrated Four-Port Dc/Dc Converter For Renewable Energy Applications

Keywords

DC-DC converter; half-bridge; multiple-input single-output (MISO); multiport; zero-voltage switching (ZVS)

Abstract

This paper proposes a novel converter topology that interfaces four power ports: two sources, one bidirectional storage port, and one isolated load port. The proposed four-port dc/dc converter is derived by simply adding two switches and two diodes to the traditional half-bridge topology. Zero-voltage switching is realized for all four main switches. Three of the four ports can be tightly regulated by adjusting their independent duty-cycle values, while the fourth port is left unregulated to maintain the power balance for the system. Circuit analysis and design considerations are presented; the dynamic modeling and close-loop design guidance are given as well. Experimental results verify the proposed topology and confirm its ability to achieve tight independent control over three power-processing paths. This topology promises significant savings in component count and losses for renewable energy power-harvesting systems. © 2011 IEEE.

Publication Date

12-1-2010

Publication Title

IEEE Transactions on Power Electronics

Volume

25

Issue

7

Number of Pages

1877-1887

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1109/TPEL.2010.2043119

Socpus ID

78650137325 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/78650137325

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