Snubber circuit for power conversion semiconductor elements and

Details Snubber circuit for power conversion semiconductor elements and Snubber circuit for power conversion semiconductor elements and

1990-01-17

1991-10-08

Beha, Jr., William H.

Electric power conversion systems

Current conversion

Including automatic or integral protection means

363132, H02M 7538

Patent

active

050559907

ABSTRACT:
A snubber network of high energy efficiency for use with power conversion semiconductors is described. Asymmetrical semiconductor elements are used to reduce and dissipate voltage spikes induced by stray inductance during turn-off of power semiconductors. A space efficient assembly using the described snubber network containing asymmetrical semiconductor elements and an external snubber capacitor is also described.

REFERENCES:
patent: 3508140 (1970-04-01), Moses
patent: 4095163 (1978-06-01), Montague
patent: 4520279 (1985-05-01), Glennon
IEEE Transactions of Industrial Electronics; vol. IE-33, No. 2, May 31, 1986, New York, U.S., pp. 185-192; K. S. Rajashekara et al., "Protection and Switching-Aid Networks for Transistor Bridge Inverters".

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