three-point starter

Operation principles and characteristics of several kinds of three-phase alternating current asynchronous motors and new type electronic soft starter are described, and some comparisons on advantages and disadvantages of such motors are made. The correct ways to select starters are pointed out.

介绍了三相交流异步电动机的几种传统启动器及新型电子软启动器的工作原理与运行特点，并作了优缺点对比，指出了异步电动机启动器的选择方向。

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The three phases voltage regulator circuits and three phases asynchronous motor soft starter method based on three phases voltage regulator circuits is analyzed at first.

论文首先对三相交流调压电路及基于三相调压电路的三相交流异步电动机的软起动方法进行了分析。

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On the Electronic Soft Starter of Three-phase Alternating Current Asynchronous Motor

浅析三相交流异步电动机电子软启动器

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A meal with three a starter a main course and a dessert course.

三道菜的餐包挂前餐,主餐及饭后甜点.

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A meal with three might have a starter, a main course and a dessert course.

三道菜的餐包括前餐, 主餐及饭后甜点.

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