The low inertia DC drive motor is supplied by a quick thyristor unit.

低惯量的直流传动电动机由快速可控硅装置供电。

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On the basis of synthetical test, the paper analysed the torsional vibration of the main drive system of 1150 blooming mill, which used thyristor power supply.

在现场综合测试的基础上，分析了采用可控硅供电的1150初轧机主传动系统的扭振状况。

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The pumping unit supplying the tested models consists in one horizontal shaft centrifugal pump driven by a variable speed D. C. motor itself controlled by a thyristor speed drive.

供给水轮机模型试验的水泵由一个卧式离心泵组成，由一个整流器自控制的变速电机带动。

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