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    Please use this identifier to cite or link to this item: http://ir.lib.ksu.edu.tw/handle/987654321/7964


    Title: 高效率單組輸出主動箝位零電壓切換Flyback轉換器
    High-Efficiency Single-Output Active-Clamping ZVS Flyback Converter
    Authors: 林忠義(Chung-Yi Lin)
    林景源(Jing-Yuan Lin)
    李昭翰(Chao-Han Li)
    羅有綱(Yu-Kang Lo)
    邱煌仁(Huang-Jen Chiu)
    Keywords: 穩壓器
    主動箝位
    零電壓切換
    返馳式轉換器
    adapter
    active clamping
    zero-voltage-switching
    flyback converter
    Date: 2008-09-05
    Issue Date: 2010-01-14 16:57:11 (UTC+8)
    Abstract: 對於達成高效率單組輸出80W的穩壓器,本文提出一創新
    架構組合,功率因數修正為邊界模式功率因數修正器(TM
    PFC),DC/DC Stage採用主動箝位(Active Clamp)技術,使用一
    只輔助開關和箝位電容,降低功率開關的電壓應力,並達到零
    電壓切換,減少功率開關的切換損失,可將全機效率提升至
    88%以上。此外亦具有輸出過電壓、輸出過電流、輸出短路保
    護功能。
    To achieve a high efficiency single-ended output 80W
    adapter, this paper presents a novel architecture. Power factor
    correction uses TM PFC, and DC/DC Stage adopts
    active-clamping technique which is composed of an auxiliary
    switch and clamping capacitor reducing the voltage stress of
    switches and reaches ZVS function. Thanks to ZVS, the switching
    loss is decreased, it can promotes the total efficiency of the whole
    adapter up to 88%. In addition, this adapter has OVP, OCP, and
    SCP functions.
    Relation: 台灣電子電力研討會暨展覽會
    Appears in Collections:[電機工程系所 ] 2008第七屆台灣電力電子研討會暨展覽會

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