Zero current switching between winding sets in a permanent magne

Details Zero current switching between winding sets in a permanent magne Zero current switching between winding sets in a permanent magne

1994-11-03

1996-04-23

Ro, Bentsu

Electricity: single generator systems

Automatic control of generator or driving means

Speed or frequency of generator

322 90, 322 94, H02P 900

Patent

active

055106960

ABSTRACT:
An apparatus for selectively rectifying one of a pair of output voltages associated with one of a a pair of output winding sets of a polyphase alternating current generator has a single controlled bridge rectifier selectively coupled to one of the winding sets. The bridge rectifier is selectively coupled in accordance with a predetermined rotational speed of the rotor. Transitions between the two winding sets is caused to occur at zero current conditions of the windings.

REFERENCES:
patent: 3793544 (1974-02-01), Baumgartner et al.
patent: 4730097 (1988-03-01), Campbell et al.
patent: 4780619 (1988-10-01), Campbell et al.
patent: 4924371 (1990-05-01), Peterson
patent: 4947053 (1990-08-01), Campbell et al.
patent: 5057763 (1991-10-01), Torii et al.
patent: 5066866 (1991-11-01), Hallidy
patent: 5068589 (1991-11-01), Offiler et al.
patent: 5214371 (1993-05-01), Naidu

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