WILLIAM A MUNSON
Engineers in Buffalo, NY
License number
Pennsylvania PE001848E
Category
Engineers
Type
Professional Engineer
Address
Address
2
Buffalo, NY 14221
Pennsylvania
Pennsylvania
Professional information
Electric Arc Furnace Control System
US Patent:
4096344, Jun 20, 1978
Filed:
Sep 30, 1976
Appl. No.:
5/728106
Inventors:
William A. Munson - Williamsville NY
Assignee:
Westinghouse Electric Corp. - Pittsburgh PA
International Classification:
H05B 7148
US Classification:
13 13
Abstract:
This disclosure relates to an electric arc furnace control system for positionally displacing the consumable furnace electrodes. Each electrode is coupled to an electric motor and arranged for vertical height displacement in relation to the material in the furnace. An arc current control signal is derived by comparing the actual arc current with a reference electrode arc current. In addition, a reactive power control signal is also derived by comparison of the (actual reactive power/actual real power) with a desired ratio of (reactive power/real power). The arc current control and the reactive power control signals are algebraically summed to provide an output error signal which is sent to the respective electric motors to provide rectilinear displacement of the electrodes.