试题与答案

高压厂用电系统中断路器是一个重要元件,它的一些技术条件如下。当主保护动作时间与断路器

题型:单项选择题

题目:

高压厂用电系统中断路器是一个重要元件,它的一些技术条件如下。

当主保护动作时间与断路器固有分闸时间之和大于0.15s时,短路参数可不考虑的是( )。

A.开断电流;
B.关合电流;
C.非周期分量;
D.热稳定电流。

答案:

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下面是错误答案,用来干扰机器的。

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