Apparatus and method for synchronizing a firing circuit for a br

Details Apparatus and method for synchronizing a firing circuit for a br Apparatus and method for synchronizing a firing circuit for a br

1993-12-06

1995-08-22

Shaw, Clifford C.

Electric heating

Metal heating

By arc

322 90, B23K 910

Patent

active

054442141

ABSTRACT:
An engine-driven, multiple-phase, alternator-powered SCR rectified arc welding power supply using a single synchronizing winding within the alternator providing signals to a synchronizing digitizer which masks noise for most of each cycle of the alternator. The synchronizing circuitry prevents spurious synchronizing signals.

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