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Power efficiency analysis of a multi-oscillated current resonant type DC-DC converter


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タイトル: Power efficiency analysis of a multi-oscillated current resonant type DC-DC converter
著者: Sato, Tadahiko / Araki, Ryu / Ota, Hiroyuki / Higashi, Nobuhiro / Ishizuka, Yoichi / Matsuo, Hirofumi
発行日: 2008年 6月
出版者: IEEE
引用: 2008 IEEE Power Electronics Specialists Conference, pp.1646-1650
抄録: This paper deals with an analysis of the power efficiency of a multi-oscillated current resonant type DC-DC converter. The current resonant type converter employs generally the pulse frequency modulation. For this reason, the magnetizing current through the converter causes not only a power loss under a light load, but also a loss during stand-by. In order to solve these problems, a multi-oscillated current resonant type DC-DC converter has been proposed, and revealed the advantage of its control method which can reduce power loss under light load and keep low switching noise. An analytical relationship of among states, operating mode and efficiency characteristics of this converter are defined. As a result, it was confirmed that for this converter, the output power depends on the voltage of resonant capacitor, and consequently, it is important to determine constants of resonant capacitor and inductance of transformer. The maximum efficiency is 95.4% with the magnetizing inductance 1.8 mH.
記述: 2008 IEEE Power Electronics Specialists Conference - PESC 2008 : Rhodes, Greece, 2008.06.15-2008.06.19
URI: http://hdl.handle.net/10069/22170
ISBN: 978-1-4244-1667-7
ISSN: 02759306
DOI: 10.1109/PESC.2008.4592177
権利: ©2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
資料タイプ: Conference Paper
原稿種類: publisher
出現コレクション:060 会議発表資料

引用URI : http://hdl.handle.net/10069/22170

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