Chopper Circuits Developed for EV Drive Application
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概要
- 論文の詳細を見る
In this paper, the technical stream on a high efficiency and high frequency chopper for the automotive industry, new energy and energy conservation technology field is surveyed. QRAS (Quasi-resonant Regenerating Active Snubber) and SAZZ (Snubber Assisted Zero Voltage and Zero Current Transition) topologies aimed for the electric vehicle (EV) drive application are proposed. 25kHz-8kW QRAS, 100kHz-8kW SAZZ choppers and 50kHz-25kW bilateral SAZZ-1 chopper are constructed and tested under rating conditions. It is verified that SAZZ topology retains high efficiency even at the increased operating frequency of 100kHz. It is shown that high efficiency can be realized at high operating frequency even in high power converters by QRAS and newly proposed SAZZ soft switching topologies.
- 社団法人 電気学会の論文
- 2008-04-01
著者
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KAWAMURA Atsuo
Yokohama National University
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Kawamura Atsuo
Dept. Of Electrical And Computer Engineering Faculty Of Engineering Yokohama National University
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TSURUTA Yukinori
Yokohama National University
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TSURUTA Yukinori
Dept. of Electrical and Computer Engineering, Faculty of Engineering, Yokohama National University
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Tsuruta Yukinori
Dept. Of Electrical And Computer Engineering Faculty Of Engineering Yokohama National University
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