Electric power conversion systems – Current conversion – Using semiconductor-type converter
Patent
1991-08-12
1992-05-05
Stephan, Steven L.
Electric power conversion systems
Current conversion
Using semiconductor-type converter
363 56, H02M 75387
Patent
active
051113813
ABSTRACT:
A circuit for discharging an inductive load of an H-bridge circuit at a controlled rate has been provided. When a first half of the H-bridge circuit is switched from a conductive state to a non-conductive state, the circuit clamps a first side of the inductive load, while creating a recirculation path to discharge the inductive load at a controlled rate.
A similar circuit may be utilized when a second (complementary) half of the H-bridge circuit is switched from a conductive state to a non-conductive state wherein the similar circuit clamps a second side of the inductive load, while creating a recirculation path to discharge the inductive load at a controlled rate.
REFERENCES:
patent: 4545004 (1985-10-01), Kade et al.
patent: 4651269 (1987-03-01), Matsumura
patent: 4691270 (1987-09-01), Pruitt
patent: 4859921 (1989-08-01), Archer
patent: 4860189 (1989-08-01), Hitchcock
patent: 4884186 (1989-11-01), Small
patent: 4937802 (1990-06-01), Omori et al.
Jarrett Robert B.
Pigott John M.
Botsch Bradley J.
Motorola Inc.
Stephan Steven L.
Sterrett Jeffrey
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