The method of single asynchronous generator's frequency and voltage control is fit to synchronous station absolutely, offering technical support to the development of the distributed generation.

孤立运行异步发电站的频率和电压控制方法必然可以在孤立运行的同步发电站中应用，为分散能源的开发提供技术支持。

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Because the AC asynchronous motor 'synchronous speed is determined by the frequency, we can control the AC asynchronous motor' speed by changing the supply power's frequency.

交流变频调速系统是利用异步交流电动机的同步转速随频率变化的特性，通过改变电机的供电频率而进行调速。

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According to the requirements of synchronous speed control of series conveying belt, several patterns which could realize the synchronous speed control under frequency conversion was analyzed.

针对多级胶带输送机同步运行要求，分析了胶带机变频拖动同步运行实现的几种模式。

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