The design soft starter of large asynchronous motor based on intelligent magnetically control

This paper introduces a soft starter of asynchronous electromotor which is based on magnetically controllable reactor, and analyzes the working principle, function and application. This system optimized the traditional voltage-ramp technique and current-limited technique. The new mode of intelligent torque closed-loop control is proposed, which can start pump loads more smoothly and prevent system from impact. It can also reduce the water hammer and the vibration of pipeline. At last, we make a certification test.