B - Operations – Transporting – 60 – L
Patent
B - Operations, Transporting
60
L
318/47, 321/86,
B60L 15/20 (2006.01) B60L 9/12 (2006.01) B60L 11/06 (2006.01) H02M 7/08 (2006.01) H02M 7/10 (2006.01)
Patent
CA 1172694
20-LC-1262 SERIES PARALLEL TRANSITION FOR POWER SUPPLY ABSTRACT OF THE DISCLOSURE A multi-winding a-c electric power supply is connected to a d-c load circuit via a power rec- tifier assembly comprising at least two legs connect- ed in parallel across the load circuit. Each leg has a least four serially interconnected unilaterally con- ducting device. A first one of the power supply windings is connected between the two rectifier legs at points between first and second devices thereof, and a duplicate winding (voltages of both windings are in-phase and of equal amplitude) is connected between the legs at point between third and fourth devices thereof, whereby the windings are effectively con- nected in parallel. The respective junctures of the second and third devices in all of the rectifier legs are interconnected by switching means which, upon switching to a closed circuit state, short circuits these junctures and thereby changes the connection of the windings from parallel to series.
379674
Mcsparran Lloyd W.
Smith Russell M.
Company General Electric
Eckersley Raymond A.
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