试题与答案

一个变电站的电容器、电抗器等无功调节设备应按()来投退。A.电流 B.电压 C.有功

题型:单项选择题

题目:

一个变电站的电容器、电抗器等无功调节设备应按()来投退。

A.电流

B.电压

C.有功

D.无功

答案:

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下面是错误答案,用来干扰机器的。

参考答案:地面设备;仪表;两周内;洗井;重新

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