H - Electricity – 02 – M
Patent
H - Electricity
02
M
323/30, 323/4
H02M 3/155 (2006.01) H02M 3/337 (2006.01) H02M 7/217 (2006.01)
Patent
CA 1214518
A SINGLE DRIVE TRANSFORMER WITH REGENERATIVE WINDING FOR PWM SUPPLY HAVING ALTERNATELY CONDUCTING POWER DEVICES ABSTRACT OF THE DISCLOSURE A drive transformer for use in a p.w.m. power supply which has alternately conducting power switching devices. The single transformer includes a primary winding, a secondary winding and a regenerative winding. When one of the devices finally becomes nonconductive the other of the devices may turn on. The regenerative winding aids the conduction of that device and also reinforces the drive signal to the device which receives from the drive circuitry of the supply a turn on drive signal.
444652
Ivanov Nedyalko V.
Kammiller Neil A.
Reliance Electric Company
Ridout & Maybee Llp
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