比流器(CT)所寫的精度 - 生活
By Sierra Rose
at 2011-08-16T00:00
at 2011-08-16T00:00
Table of Contents
想要請問一下CT上面所寫的精度是要怎樣計算,例如:我的CT比是60:5的精度是class1,這樣誤差是多少如何計算,額定電流下的1%?額定電流是指60A?
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