AC Feeding apparatus and rotating field apparatus having AC feed

Details AC Feeding apparatus and rotating field apparatus having AC feed AC Feeding apparatus and rotating field apparatus having AC feed

1977-12-21

1980-08-19

Hickey, Robert J.

Electricity: single generator systems

Generator control

With excitation winding and/or circuit control

318800, 363 69, 363 71, H02P 926, H02M 700

Patent

active

042186463

ABSTRACT:
An AC feeding apparatus which comprises a plurality of series solid state switch groups connected in parallel and with each series solid state switch group comprising N solid state switches connected in series. AC windings are provided for n(n.gtoreq.1) phase and m(m.gtoreq.2) independent groups of the windings are respectively connected to corresponding contacts of series connections of the solid state switches of the series switch groups. In the AC feeding apparatus, N solid state switches in each group and m groups of windings have the relation of 2m.gtoreq.N.gtoreq.(m+1) and at least two groups among m groups of the AC windings are excited with each phase difference of .DELTA..theta.(.noteq..pi.) in the turn-on control of the solid state switches. The AC feeding apparatus can be adapted for use in a rotating field generator, a commutator motor or an AC motor apparatus.

REFERENCES:
patent: 3659168 (1972-04-01), Salihi et al.
patent: 3790877 (1974-02-01), Bailey
patent: 4028600 (1977-06-01), Blaschke et al.
patent: 4129818 (1978-12-01), Goto et al.
patent: 4144559 (1979-03-01), Okumura et al.
Proc. IEE, vol. 116, No. 5, May, 1969, "Bridge Rectifiers with Double and Multiple Supply".

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