摘要
交流弧焊机，在我国应用十分广泛，本文分析该设备的工作特点和各种场合下的使用情况，认为采用分散或集中并联电容补偿有利于节电和减小设备容量。并最后提供了计算方法。
AC arc welder is widely used in China, but it becomes a equipment of high energy consumption. This paper analyses its working performance and various applied condition, presents that condenser compensation based on distributive or concentric modes can reduce energy consumption and the capacity of equipment. As a result, design and calculating methods are promoted.
