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怎樣選擇電能表的大???

2014-09-18

    最大負荷電流應該在80%的電表額定電流;     
 
    通過互感器的電表選1.5(6)的;  
 
    互感器的選擇也是最大負荷電流在80%左右的互感器額定電流.

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