Minghsin University Institutional Repository:Item 987654321/514
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    Please use this identifier to cite or link to this item: http://120.105.36.38/ir/handle/987654321/514


    Title: 風力發電變頻器電磁干擾研究
    Authors: 葉中雄
    Contributors: 電機工程系
    Keywords: 變頻器、電磁干擾
    Date: 2010-12
    Issue Date: 2011-06-21 13:10:35 (UTC+8)
    Abstract: 風力發電機產生之直流電壓範圍由30V至220V，變化之電壓將能量存於蓄電池後，再經由變頻器產生穩定之交流輸出電壓。但將直流變成交流電壓之變頻器電路採用交換式(switching)運作，會產生電磁干擾(EMI)，往往超過電磁干擾之規範值。本專題順利完成變頻器之製作，並量測傳導性電磁干擾及輻射性電磁干擾。其中傳導性電磁干擾較嚴重，故針對傳導性電磁干擾進行電路之修改，包括降低功率晶體閘極信號之上升時間、增加緩衝電路、加上電源濾波器等措施，可將傳導性電磁干擾降低以符合EMI規範需求。
    Appears in Collections:[Department and Institute of Electrical Engineering] Research Projects in School

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