Performance Improvement of a Bidirectional DC-DC Converter for Battery Chargers using an LCLC Filter

- Journal title : Journal of Electrical Engineering and Technology
- Volume 10, Issue 2, 2015, pp.560-573
- Publisher : The Korean Institute of Electrical Engineers
- DOI : 10.5370/JEET.2015.10.2.560

Title & Authors

Performance Improvement of a Bidirectional DC-DC Converter for Battery Chargers using an LCLC Filter

Moon, Sang-Ho; Jou, Sung-Tak; Lee, Kyo-Beum;

Moon, Sang-Ho; Jou, Sung-Tak; Lee, Kyo-Beum;

Abstract

In this paper, a battery charger is introduced for an interleaved DC-DC converter with an LCLC filter. To improve the overall performance of the DC-DC converter for battery charger, a method is proposed. First, the structure of the system is presented. Second, an LC filter is compared to an LCLC filter in terms of the response characteristics and size. Third, the small-signal model of a bidirectional DC-DC converter using a state-space averaging method and the required transfer functions are introduced. Next, the frequency characteristics of the converter are discussed. Finally, the simulation and experimental results are analyzed to verify the proposed state space of the bidirectional converter.

Keywords

Bidirectional;DC-DC converter;Battery charger;LCLC filter;State-space averaging;

Language

English

Cited by

1.

2.

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