H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 7/18 (2006.01) F27B 3/08 (2006.01) H05B 7/11 (2006.01)
Patent
CA 2172330
Secondary circuit with variable impedance for electric arc furnaces of a type working with alternating current, which is associated with a transformer (11) and comprises at least one rigid connection (12) connected to the outputs (16) of the transformer (11), flexible cables (13) connected through rigid connection elements (29, 129) at a first end to the rigid connection (12) and at the other end to specific electrode-holder arms (17) for each of the phases, and also electrodes (15), at least one branch of the secondary circuit (10) corresponding to a specific phase including at least one of the respective rigid components (12, 17, 29, 129) embodied with at least two parts reciprocally positionable in an adjustable manner according to the required value of overall reactance of the specific branch of the secondary circuit (10) comprising that rigid component 12, 17, 29, 129).
Dratner Johannes
Gensini Gianni
Merlino Daniele
Danieli & C. Officine Meccaniche S.p.a.
Goudreau Gage Dubuc
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