Method and apparatus for providing welding current from a...

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

B - Operations, Transporting

23

K

B23K 9/10 (2006.01)

Patent

CA 2137429

A welding power supply having a multiphase alternator and 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.

limentation de soudage dotée d'un alternateur polyphasé et d'un redresseur à thyristors faisant usage d'un circuit de commande qui empêche sélectivement le passage à l'état conducteur des thyristors en cas de court circuit. L'utilisation fiable d'une alimentation de soudage à alternateur en situation de court circuit est également réalisée.

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