【Daily Topic】【Electrical Edition 20170323】

2017-03-23View Original

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Participation reward: 2 Wealth. Correct reward: 8 Wealth. Multiple-choice question: When one phase of power supply is disconnected while a three-phase asynchronous motor is in operation, what is the main effect on the motor? ( ) A. The motor stops rotating immediately. B. The motor’s speed decreases and its temperature rises. C. The motor experiences vibration and abnormal noises. D. The motor rotates in the reverse direction. B

Reply #22017-03-23

B. The motor’s speed decreases and its temperature rises

Reply #32017-03-23

B. The motor’s speed decreases and its temperature rises

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【Daily Topic】【Electrical Edition 20170323】

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