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发电机转子绕组两点接地对发电机的主要危害之一是

单选题
2021-09-01 20:45
A、破坏了发电机气隙磁场的对称性,将引起发电机剧烈振动,同时无功功率出力降低
B、无功功率出力增加
C、转子电流被地分流,使流过转子绕组的电流减少
D、转子电流增加,致使转子绕组过电流
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正确答案
A

试题解析

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