G - Physics – 05 – F
Patent
G - Physics
05
F
323/30
G05F 3/06 (2006.01) G05F 1/13 (2006.01)
Patent
CA 1290014
FERRORESONANT THREE-PHASE CONSTANT AC VOLTAGE TRANSFORMER ABSTRACT OF THE DISCLOSURE Ferroresonant three-phase constant AC voltage trans- former comprising three transformer iron cores with one for each corresponding input supply phase, primary windings and secondary windings formed on each of the transformer iron cores, series reactance components or reactors connected in series to the primary windings, automatic voltage regulating means for controlling secondary output voltages generated at the secondary windings to a predetermined target value, compensating windings formed so as to be inductively coupled with each of the series reactance components or reactors, and means for connecting the compensating windings in series each other to form a closed loop circuit. The secondary output voltages are theoretically kept in balanced condition even when the loads and/or the primary input voltages are unbalanced.
577660
Harada Kosuke
Katsuki Akihiko
Tominaga Fukutoshi
Nishimu Electronics Industries Co. Ltd.
Swabey Ogilvy Renault
LandOfFree
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