Arc welding system and method

Details Arc welding system and method Arc welding system and method

B - Operations, Transporting

23

K

B23K 9/10 (2006.01) B23K 9/02 (2006.01) B23K 9/09 (2006.01)

Patent

CA 2444081

A welder using a circuit or method of changing polarity of an AC welding current comprising: the generation of a polarity changing signal, commanding a change in the polarity of the current a given time after generation of the polarity changing signal and reducing the given time upon detection of a short in the welding current.

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