Arc generating electric system for a metal casting apparatus

Details Arc generating electric system for a metal casting apparatus Arc generating electric system for a metal casting apparatus

1980-07-21

1982-11-02

Envall, Jr., Roy N.

Industrial electric heating furnaces

Arc furnace device

Power supply system

H05B 7148

Patent

active

043577067

ABSTRACT:
An arc generating electric system includes a first high-tension d.c. supply, electrodes and a high-voltage rectifier, the electrodes and the rectifier being connected in series, wherein the rectifier is in a forward position with respect to the first d.c. supply, and the arc generating system additionally includes a second high-tension d.c. supply connected in parallel to the rectifier, the second d.c. supply being in a forward position with respect to the first high-tension d.c. supply.

REFERENCES:
patent: 4123646 (1978-10-01), Keinanen

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