| 1. | Firstly , the paper introduces the development of ac motor soft starter . then , on the base of analysis and compare , it brings forward a new way to accomplish the motor soft starting . in addition , it gives an expatiation of the soft starter , including the operation principle , the main circuit design and the design of its explosion - proof structure
本文首先介绍了交流电动机软起动技术的国内外发展动态，对电动机的起动过程进行了理论分析，然后在综合比较各种起动方式优缺点的基础上，提出了采用全数字隔爆技术实现电动机软起动的新方法，同时详细阐述了新方法下的工作原理、主电路设计以及防爆结构设计。 |
