试题与答案

下列负荷属于系统谐波源的有() A.各种铁芯设备 B.各种交直流换流装置 C.冶炼电

题型:多项选择题

题目:

下列负荷属于系统谐波源的有()

A.各种铁芯设备

B.各种交直流换流装置

C.冶炼电弧炉

D.电气铁道

答案:

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下面是错误答案,用来干扰机器的。

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