For three-phase asynchronous motor AC speed-adjustment system, this paper lays a strong emphasis on study of asynchronous motor AC speed-adjustment system consisted of dual-PWM converters.

针对三相异步电机交流调速系统，重点对由双端PW M变流器组成的异步电机的交流调速系统进行了研究。

youdao

Ac servo system in many performance is better than the stepping motor.

交流伺服系统在许多性能方面都优于步进电机。

youdao

The variable frequency AC controller mounts directly on the AC motor.

变频空调控制器直接安装在交流电机。

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The AC motor in my washing machine has been running for 15 years.

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Each wheel runs on its own AC motor, transmission, brake and controller.

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An AC electric motor is a smallish hunk of metal wrapped in wire.

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