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    Please use this identifier to cite or link to this item: http://ir.lib.ksu.edu.tw/handle/987654321/12745

    Title: 新型雙開關主動箝位高升壓轉換器之研製
    Authors: 陳應廣;陳建富;李祖聖;蕭國毅
    Contributor: 電機工程系
    Keywords: 漏感能量回收;高升壓;零電壓切換
    leakage energy recycling;high step-up voltage;ZVS
    Date: 2010-12-03
    Issue Date: 2010-12-16 15:03:59 (UTC+8)
    Publisher: 台南縣:崑山科技大學
    Abstract: 本文電路為輸入並聯、輸出串聯之高升壓轉換器,結合順向與返馳式轉換器,可於開關導通時具有電壓提升之特性,以提高轉換器之電壓轉換比。本架構轉換器為對稱性操作,二個主動開關為錯相式控制且共用同一箝位電容,並且利用此箝位電容達成漏電感能量回收。此轉換器開關在較大負載電流下,藉由共振使切換開關達成零電壓切換之特性,可降低開關之切換損失,另外,轉換器開關於較小負載電流條件下,切換開關則具有低電壓切換之特性。本文中將對常見之高升壓電路架構作簡介,並針對所提出之電路架構作特性分析與設計。最後,研製一輸入為24 V,輸出為200 V,輸出功率400 W 之雛型電路以驗證理論分析之正確性。
    In this paper, a series input parallel output high step-up voltage converter is proposed. This converter combines the forward converter and the flyback converter to achieve high step-up voltage when the switch is turned on. The topology is operated in symmetry. The two active switches are interleavedly controlled, and utilize the same clamp capacitor to achieve leakage energy recycling.
    The switches of the proposed converter achieve zero voltage switching (ZVS) at full load and middle load, on the other hand, they achieve
    low voltage switching at condition of lower load current. In this research, conventional high step-up voltage converters and related topologies are firstly introduced, followed by characteristic analysis and design of the proposed converter, which is verified by a prototype circuit in the laboratory with 24V input and 200 V/400W output.
    Relation: 第31屆電力工程研討會
    Appears in Collections:[電機工程系所 ] 2010第卅一屆電力工程研討會

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