Development of Pulsed Square Wave AC MIG/TIG Welding Power Source
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Abstract
The paper deals with the basic principles of the pulsed square wave AC MIG/TIG welding power source.It has a square static characteristic curve and a new "double concave" welding current waveform.The specially required dynamic characteristic has been studied and achieved.This power source may be used satisfactorilly in the AC MIG welding without any arc stablizaer.
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