System for measuring the arc voltage in an electric furnace

Details System for measuring the arc voltage in an electric furnace System for measuring the arc voltage in an electric furnace

1983-10-04

1985-12-17

Pellinen, A. D.

Industrial electric heating furnaces

Arc furnace device

Electrode

H05B 707

Patent

active

045596301

ABSTRACT:
A system which permits the measurement, during operation, of the arc voltage electrodes having an upper metal portion (4) cooled by circulating water. The system employs an electrical instrumentation-cable (16) attached to a piece (5) for fixing the graphite consumable portion (3) of the electrode. This cable runs along the axis of the metal portion (4) and then inside one of the water-supply pipes (11), terminating at an electronic box (14) which converts the incoming measurement signal into a light wave.

REFERENCES:
patent: 3610601 (1971-10-01), Bishop, Jr.
patent: 4121042 (1978-10-01), Prenn
patent: 4256918 (1981-03-01), Schwabe et al.

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