method for reducing the noise of the lichtbogenschweißens

摘要

the invention concerns a method for reducing the noise of the lichtbogenschweiu00dfens with alternating current for welding machines with graphics power sources, and by modifying the electricity sollwertes on the steuerungsseite non-linear functions with time by means of a d / a - w according to the schweiu00dfstromes andlers obertonarme gradients are generated.