Snubber circuit of power converter

Details Snubber circuit of power converter Snubber circuit of power converter

1990-09-19

1991-12-31

Sterrett, Jeffrey L.

Electric power conversion systems

Current conversion

Including automatic or integral protection means

363132, H02M 7122

Patent

active

050776517

ABSTRACT:
A power converter section in which two serially connected snubber circuits, each formed by an asymmetrical element, such as a Zenner diode and a capacitor in series, and an auxiliary snubber circuit including a third capacitor coupled across parts of the first two snubber circuits, is disclosed. The described power converter section reduces the number of components and cost necessary for increasing surge voltage suppression.

REFERENCES:
patent: 3508140 (1970-04-01), Moses
patent: 4095163 (1978-06-01), Montague
patent: 4520279 (1985-05-01), Glennon
patent: 4611267 (1986-09-01), McMurray
patent: 4794508 (1988-12-01), Carroll
patent: 4853836 (1989-08-01), Furuhashi
patent: 4890210 (1989-12-01), Myers
patent: 4906857 (1990-03-01), Cummins et al.
IEEE Transactions of Industrial Electronics; vol. IE-33, No. 2, May 31, 1986, N.Y., U.S. pp. 185-192, K. S. Rajashekara et al. "Protection and Switching-Aid Networks for Transistor Bridge Inverters".

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