三相交流软起动器的研制

Development of a Three-phase and Alternating-current Soft Starter

介绍用CMOS数字电路实现的SCR软起动器,对软起动器的工作原理、电路组成作了详细的分析。实验结果表明,该起动器是交流电动机比较理想的软起动器。

This paper introduces a SCR soft starter controlled by CMOS digital integrated circuits. The operation principle and circuit structure of the soft starters are analyzed in detail. The experimental results show that the soft starter is satisfactory for alternating—current electric motors.