G - Physics – 05 – F
Patent
G - Physics
05
F
323/21
G05F 1/70 (2006.01) H02J 3/18 (2006.01) H05B 3/00 (2006.01) H05B 3/60 (2006.01) H05B 7/148 (2006.01)
Patent
CA 1155176
ABSTRACT A method for compensation of the reactive power of an electric smelting furnace, operated with three-phrase current, to which electrical power is supplied through a three-phrase transformer or through three single-phase transformers interconnected to a three phase system comprises the supply of electrical power through high-tension lines, contact-jaws, and electrodes, the connection of compensating capacitors to separate high-tension lines, wherein three-phase voltage potential, present at the electrode, is tapped off above the contact-jaws and is used to feed the compensating capacitors, and the flow of current from the contact-jaws to the compensating device in a direction opposite to that of the current flowing to the electrode from the furnace transformer, for the purpose of decreasing the inductance. A device is especially adapted to carry out this method.
361747
Konig Heribert
Stark Heinz K.
Mannesmann Demag Ag
Ridout & Maybee Llp
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