Replica driver transformer for inverter circuit

Details Replica driver transformer for inverter circuit Replica driver transformer for inverter circuit

1986-08-19

1987-02-10

Salce, Patrick R.

Electric power conversion systems

Current conversion

Including automatic or integral protection means

363134, 331113A, H02H 7122

Patent

active

046427490

ABSTRACT:
An inverter circuit having an output power transformer if provided with a replica driver transformer which is a miniature "clone" of the power transformer. The replica driver transformer uses the same core material as the power transformer and is designed to saturate before the power transformer thereby shutting off the drive to the power switching transistors and saving them from burn out which might otherwise be caused by power transformer saturation. Reset circuits can be included as part of the circuit to assure successful start up preventing first-half-cycle-instant-burnout-syndrome occurrence.

REFERENCES:
patent: 3305793 (1967-02-01), Kammiller
patent: 3317856 (1967-05-01), Wilkinson
patent: 3351840 (1967-11-01), Yearley
patent: 3539905 (1970-11-01), Schwarz
patent: 3638100 (1972-01-01), Centala et al.
patent: 3667027 (1972-05-01), Martin
patent: 3670234 (1972-06-01), Joyce
patent: 3950691 (1976-04-01), Ohba
patent: 4162524 (1979-07-01), Jansson
patent: 4254459 (1981-03-01), Belson
patent: 4439822 (1984-03-01), Cocconi

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