A method which can increase power factor and decrease energy consumption of common manual ac electric welding machine is presented.
介绍了一种解决普通手工交流电焊机功率因数偏低及耗能严重现象的方法。
The utility model relates to an electric welding machine, which particularly refers to a portable ac arc welding machine with iron shells.
本实用新型涉及一种电焊机，尤其是一种具有铁质外壳的手提式交流弧焊机。
应用推荐