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想知道配電盤的功率因數

Dec 16th 2013, 02:22

倘若原先的比流器擁有相當足夠的VA 數，

如您所述，可以不須再行添購；

不過要非常注意，

電流線路是串聯的，

因此原設置的電流表線路，

必須和新購置功率因數表的電流端子串聯。

至於功率因數表的電壓端子，

則取其沒有裝設比流器之另兩相。

我畫個圖供您參考：

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