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有源和無源電力濾波器區別大不大?

發表時間:2021-02-22 17:18【 閱讀量:-查看手機網址
掃一掃!有源和無源電力濾波器區別大不大?掃一掃!

  有源電力濾波器(Active Power Filter,簡稱APF)是一種用于動態抑制諧波、補償無功的新型電力電子裝置,內它能夠對容大小和頻率都變化的諧波以及變化的無功進行補償。


  答案1:有源濾波器與無源濾波器的區別1、有源襲濾波器是電子的,無源濾波器是機械的。2、有源濾波器是檢測到某一設定好的諧波次數后抵消它,無源濾波器是通過電抗器與電容器的配合形成某次諧波通道吸收諧波。3、采用無源濾波器因為有電容器的原因,所以可提高功率因素。采用有源濾波器只是消除諧波與功率因素無關。4、有源濾波器造價是無源濾波器的3倍以上,技術相對不太成熟,且維護成本高;無源濾波器造價相對較低,技術較成熟,安裝后基本免維護。5、有源濾波器用于小電流,無源濾波器可用于大電流。


  答案2:有源電力濾波器是通過實時檢測電網中的諧波電流,在通過變流器實現將電網版中的諧波電流消除;無源權電力濾波器是針對電網中每次諧波電流,通過電感和電容,將每次諧波濾除。有源電力濾波器最大的優點是可以將電網2~50次諧波都可以濾除,而且濾除率達98%,而且自身功耗非常小?,F在國內從事有源電力廠家越來越,產品也越來越成熟穩定,如英納仕電氣推出的inas-A系列產品在油田、汽車、化工、鋼鐵都有應用。


重生九零小辣椒
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