Polyphase alternating current motor

Details Polyphase alternating current motor Polyphase alternating current motor

1991-08-08

1993-12-14

Shoop, Jr., William M.

Electricity: motive power systems

Induction motor systems

Primary circuit control

318817, 318796, H02P 144

Patent

active

052706346

ABSTRACT:
A polyphase alternating current motor has in addition to a main winding that can be connected to a voltage source, a auxiliary winding arranged in the stator, such that at least one condenser is connected to both windings per phase. A decrease in condenser size while at the same time improving the degree of effectiveness is possible by virtue of the fact that the main and auxiliary windings are arranged in such a way as to yield an increase and phase leading of the voltage adjacent to the condenser. The condensers are connected to the windings in such a way that only capacitative leakage current flows in the auxiliary winding and the geometrical total of active and leakage current flow in the main current.

REFERENCES:
patent: 1712237 (1929-05-01), Weichsel
patent: 1715866 (1929-06-01), Rother
patent: 4187457 (1980-02-01), Wanlass
patent: 4446416 (1984-05-01), Wanlass
patent: 4808868 (1989-02-01), Roberts

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