Process and apparatus for arc control in arc furnaces

Details Process and apparatus for arc control in arc furnaces Process and apparatus for arc control in arc furnaces

1980-07-16

1982-03-16

Envall, Jr., Roy N.

13 13, H05B 7144

Patent

active

043202454

ABSTRACT:
A process and an apparatus for arc control in electric arc furnaces is disclosed. The position of a movable electrode in the furnace is controlled based upon a measured electrical characteristic of the arc. The arc voltage supplied to the electrode is controlled independently of the electrode position and is based upon at least one electrical characteristic of the arc. The invention is applicable to both AC and DC furnaces.

REFERENCES:
patent: 3431344 (1969-03-01), Borrebach
patent: 3963978 (1976-06-01), Kelley, Jr. et al.
patent: 3968422 (1976-07-01), Waldmann
patent: 4254298 (1981-03-01), Svendsen

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