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直流斩波调速系统在回馈电流可控的回馈发电制动时,直流电动机的反电势()直流电源的电压。

单选题
2022-03-23 17:38
A、大于
B、等于
C、小于
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正确答案
C

试题解析

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直流斩波调速系统在回馈电流可控的回馈发电制动时,直流电动机的反电势()直流电源的电压。
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