Apparatus for controlling arc deflection in an arc furnace
Apparatus for controlling the distance of a melting electrode fr
Apparatus for converting a three-phase arc furnace to d.c. opera
Arc furnace and method in which molten material is stirred and t
Arc furnace electrode control
Arc furnace electrode control
Arc generating electric system for a metal casting apparatus
Arrangement for controlling the electrodes of an arc furnace
Arrangement for transferring electrical energy from a furnace tr
Automatic electrode regulator based on direct power factor...