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关于变压器励磁涌流,下列说法正确的是( )

A、励磁涌流是由于变压器电压偏低,磁通过小引起的
B、变压器励磁涌流中含有大量的奇次滤波,尤以3次谐波为最大
C、变压器励磁涌流中含有大量的偶次滤波,尤以2次谐波为最大
D、励磁涌流是由于变压器电压偏高引起的
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正确答案:

C

答案解析:

暂无解析

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