Direct current power supply for manual arc welding

Details Direct current power supply for manual arc welding Direct current power supply for manual arc welding

1974-10-16

1976-06-01

Grimley, Arthur T.

Electric heating

Metal heating

By arc

219131WR, B23K 910

Patent

active

039611540

ABSTRACT:
A direct current power supply for manual arc welding having a steeply drooping, adjustable characteristic, comprising a polyphase transformer and a polyphase rectifier system including triggered rectifier means and a control system therefor providing both welding current and welding voltage feed-back. The welding current feed-back is substantially fixed. The welding voltage feed-back is adjustable for adjustment of the slope of the characteristic.

REFERENCES:
patent: 3597580 (1971-09-01), Stearns et al.
patent: 3728516 (1973-04-01), Daspit

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