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Generalized Modeling and Optimization of a Bidirectional Dual Active Bridge DC-DC Converter Including Frequency Variation

Generalized Modeling and Optimization of a Bidirectional Dual Active Bridge DC-DC Converter Including Frequency Variation

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カテゴリ: 論文誌(論文単位)

グループ名: 【D】産業応用部門(英文)

発行日: 2015/09/01

タイトル(英語): Generalized Modeling and Optimization of a Bidirectional Dual Active Bridge DC-DC Converter Including Frequency Variation

著者名: Felix Jauch (Laboratory for High Power Electronic Systems, ETH Zurich), Jurgen Biela (Laboratory for High Power Electronic Systems, ETH Zurich)

著者名(英語): Felix Jauch (Laboratory for High Power Electronic Systems, ETH Zurich), Jurgen Biela (Laboratory for High Power Electronic Systems, ETH Zurich)

キーワード: DC-DC converter,dual active bridge,frequency variation,modeling,optimization

要約(英語): The paper presents a novel modeling approach of the power flow in a bidirectional dual active bridge DC-DC converter. By using basic superposition principles, the mathematical distinction of cases is avoided in the modeling process of the high-frequency transformer currents for different types of modulation. The generalized model is used in the optimization of the converter losses of a 3.3kW electric vehicle battery charger with an input voltage of 400V and a battery voltage range from 280V to 420V. Besides the commonly used control variables such as the phase-shift and the clamping intervals, the variation in the switching frequency is also considered in the optimization process. The optimal modulation including the frequency variation leads to an increase in the converter efficiency up to 8.6% using IGBTs and 17.8% using MOSFETs at the most critical point compared to phase-shift modulation at a fixed switching frequency.

本誌: IEEJ Journal of Industry Applications Vol.4 No.5 (2015)

本誌掲載ページ: 593-601 p

原稿種別: 論文/英語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejjia/4/5/4_593/_article/-char/ja/

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