Low loss snubber circuit

Details Low loss snubber circuit Low loss snubber circuit

1980-12-23

1982-12-21

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307542, 307565, 363 20, 361 91, H03K 1708, H03K 1764

Patent

active

043651712

ABSTRACT:
An improved snubber circuit for a bipolar switching transistor connected to drive an inductive transformer load comprises a first resonant circuit connected to the driven winding of the transformer and a second resonant circuit connected to a clamp winding of the transformer. At turn-off, the two resonant circuits provde an alternate current path for inductive currents to thereby limit the voltage applied to the load transistor. The circuit are interconnected to minimize component count in a manner which permits resetting the capacitive components to improve snubbing capability.

REFERENCES:
patent: 3571614 (1971-03-01), Rolstead
patent: 4016482 (1977-04-01), Cielo et al.
patent: 4268898 (1981-05-01), Brown

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