Snubber for electric circuits

Details Snubber for electric circuits Snubber for electric circuits

1998-07-06

2000-01-18

Gellner, Michael L.

Inductor devices

Core surrounding linear conductor

323361, H01F 1706, H01F 3012

Patent

active

060160950

ABSTRACT:
A snubber for electric circuits comprises a plurality of small lossy magnetic cores with a wire through each, wired in parallel. Such an arrangement will have a much faster saturation time than a single core of comparable volume, and the power dissipated will be distributed and have more surface area. With conventional lossy snubbers, the only choices are the size of the core and the material. With this snubber, the number of cores to use, and the size of the individual cores are additional variables available to the designer to optimize the snubber. A variation of the snubber uses a plate of lossy magnetic material with a plurality of through holes. This is comparable to using individual cores, but the one piece may be easier to handle and assemble.

REFERENCES:
patent: 1814225 (1931-07-01), Neiss
patent: 3924223 (1975-12-01), Whyte et al.
patent: 4665357 (1987-05-01), Herbert
patent: 4845606 (1989-07-01), Herbert

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