Method and apparatus for providing welding current from a brushl

Details Method and apparatus for providing welding current from a brushl Method and apparatus for providing welding current from a brushl

1993-12-06

1995-04-18

Shaw, Clifford C.

Electric heating

Metal heating

By arc

21913021, 219133, B23K 9095

Patent

active

054080673

ABSTRACT:
A welding power supply having a multiphase alternator and a thyristor rectifier using a control circuit to selectively prevent firing of thyristors when a short circuit occurs. Reliable operation of an alternator welding power supply under short circuit conditions is achieved.

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