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    Please use this identifier to cite or link to this item: http://ir.lib.ksu.edu.tw/handle/987654321/8199


    Title: 符合能源之星規範高效率電源供應器之研製
    Study and Implementation of a High Efficiency Power Supply Satisfying the ENERGY STAR Requirements
    Authors: 鄭世仁(Shih-Jen Cheng)
    林忠義(Chung-Yi Lin)
    李昭翰(Chao-Han Li)
    邱煌仁(Huang-Jen Chiu)
    羅有綱(Yu-Kang Lo)
    Keywords: SEPIC功率因數修正器
    能源之星
    高效率
    Date: 2008-09-05
    Issue Date: 2010-01-20 14:18:01 (UTC+8)
    Abstract: 本論文研究一種連續電流導通模式SEPIC 功率因數修正
    器,其係採用邊界模式功率因數修正控制器,搭配耦合電感
    特性迫使功率因數修正器輸入電流操作在連續模式,可有效
    縮小EMI Filter,提升應用功率容量。也由於SEPIC 功率因數
    修正器具有可升降壓特性,如此可實際降低後級DC/DC 轉換
    器之輸入電壓,減少開關電壓應力與切換損耗。因此不需使
    用柔性切換技術,即可達成高效率特性,降低電路成本。本
    論文針對電路架構與設計考量做詳細分析及探討,所實現電
    源供應器可確實符合能源之星高效率的規範要求。
    This paper presents a continuous-conduction-mode (CCM)
    SEPIC power factor corrector adopted transition-mode (TM) PFC
    controller and coupled inductor technique. The input current is
    operated at continuous-conduction-mode to reduce the volume of
    EMI filter and increase the power capacity. Due to the voltage
    step-up/down features for the SEPIC PFC, the input voltage of
    the post-stage DC/DC converter can be decreased to reduce the
    voltage stresses and switching losses on the power switches. High
    efficiency and low cost can be achieved without the use of the
    soft-switching techniques. Circuit topologies and design
    considerations for the studied power supply are analyzed and
    discussed in details. High efficiency requirements for the Energy
    Star can be satisfied.
    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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