Electric power conversion systems – Current conversion – Having plural converters for single conversion
Patent
1998-08-03
1999-12-21
Wong, Peter S.
Electric power conversion systems
Current conversion
Having plural converters for single conversion
363 69, 363 89, 307 71, H02M 700, H02M 542
Patent
active
060057866
ABSTRACT:
A circuit is provided for an alternator of a motor vehicle with the winding of the alternator consisting of two half-windings, with rectification of the voltages and currents at the outputs of the two half-windings taking place, with the outputs of one half-winding being connected with the inputs of a first rectifier, and with the outputs of the other half-winding being connected with the inputs of another rectifier, and with each output of one half-winding being connectable across the gaps of two switchable elements with two outputs of the other half-winding in each case such that when the gaps are bridged, the two half-windings are connected electrically in series. In a method for triggering the switchable elements, the individual thyristors are triggered in succession and/or only individual transistors are triggered, with this preferably taking place when a certain motor rpm is undershot. Diodes c an also be used instead of individual thyristors.
REFERENCES:
patent: 3984750 (1976-10-01), Pfeffer et al.
patent: 4045718 (1977-08-01), Gray
patent: 4456870 (1984-06-01), Rodari et al.
Bluemel Roland
Bosch Hermann
Heni Anton
Krauss Markus
Daimler-Chrysler AG
Patel Rajnikant B.
Wong Peter S.
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