Now showing items 1-2 of 2
Power conversion using zero current soft switching
(United States. Patent and Trademark Office, 1994-02-15)
A zero current soft switching power converter (10) is provided in which a link capacitor (20) is coupled between a source switch S1 and a source switch S2. The reversal of voltage polarity across link capacitor (20) allows ...
Method and apparatus for sensing the rotor position of a switched reluctance motor without a shaft position sensor
(United States. Patent and Trademark Office, 1994-03-01)
Apparatus and method for detecting rotor (12) position in a switched reluctance motor (18) having multiple stator phases (A--A', B--B', and C--C'). A multiplexer (48) intermittently connects a known resistor (54) to a ...