Electricity: motive power systems – Induction motor systems – Primary circuit control
Patent
1993-09-24
1997-01-28
Cabeca, John W.
Electricity: motive power systems
Induction motor systems
Primary circuit control
318731, 318771, 310125, 310211, H02P 126
Patent
active
055980791
ABSTRACT:
The present invention is applicable to any a.c. electromagnetic reduction device which is used to change voltage or current levels or to transfer energy between mechanical and electrical systems and includes, for each phase, a combined pair of windings which are conductively and inductively dependent. The dominant winding of each combined pair is electrically connected to an input/output phase, while the reflux winding of each pair is electrically connected in additive or subtractive series with the dominant winding by means of a variable capacitive reactance. The capacitive reactance is then adjusted to minimize the net reactive factor of the coupled windings and the net reflected impedance of the input/output circuitry.
REFERENCES:
patent: 3611104 (1971-10-01), Jalal
patent: 3711759 (1973-01-01), Krauthamer
patent: 3742336 (1973-06-01), Bedford
patent: 3895275 (1975-07-01), Rostad
patent: 4583156 (1986-04-01), Forge
patent: 4584506 (1986-04-01), Kaszmann
patent: 4868481 (1989-09-01), Owen
patent: 4962339 (1990-10-01), Schauder
patent: 5068560 (1991-11-01), Lundquist
patent: 5163173 (1992-11-01), Casagrande
Cabeca John W.
Crouch Robert B.
Remtech, L.C.
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