Twin winding three-phase alternator with zero slot coupling

Details Twin winding three-phase alternator with zero slot coupling Twin winding three-phase alternator with zero slot coupling

1985-09-09

1986-09-02

Hickey, R. J.

Electricity: single generator systems

Generator control

With armature or primary circuit control

307 16, 310198, H02K 300, H02P 900

Patent

active

046098623

ABSTRACT:
A winding arrangement for a twin winding set three-phase alternator having P rotor poles and 3nP stator slots, where P is an even integer and n is an integer greater than or equal to two, each set of three-phase windings comprising a group of P/2 interconnected winding components per phase. The stator coils each span an odd number of stator slots, and are connected such that circumferentially adjacent coils are connected in different of the sets of three-phase windings, and such that each winding component comprises one or more coils from each of two different pole pitches. As a result, a given stator slot contains winding elements belonging to only one of the sets of three-phase windings, and magnetic coupling between the sets of three-phase windings due to slot leakage is thereby avoided.

REFERENCES:
patent: 3340448 (1967-09-01), Thiessen
patent: 3551784 (1970-12-01), Shaw et al.
patent: 3793544 (1974-02-01), Baumgartner et al.
patent: 4045718 (1977-08-01), Gray
patent: 4121148 (1978-10-01), Platzer

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