Snubber arrangements with energy recovery for power converters u

Details Snubber arrangements with energy recovery for power converters u Snubber arrangements with energy recovery for power converters u

1985-02-25

1986-09-09

Salce, Patrick R.

Electric power conversion systems

Current conversion

Including automatic or integral protection means

363 27, H02M 7125

Patent

active

046112677

ABSTRACT:
Energy trapped in the snubbers connected to a dc-ac power converter is more efficiently restored to the dc source by means of an energy recovery transformer with a reset circuit branch for improving the reset of the transformer following a period of energy recovery. The reset circuit branch damps out oscillations between the recovery transformer and the overcharged shunt capacitive snubber and may also be used to dissipate the magnetizing current of the energy recovery transformer.

REFERENCES:
patent: 4328538 (1982-05-01), Pollmeier
patent: 4336587 (1982-06-01), Boettcher, Jr. et al.
T. Asaeda et al., "DC-to-AC Power Converter for Fuel Cell System", Conference Record of Fifth International Telecommunications Energy Conference, Oct. 1983, pp. 84-91.

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