Circuit for the production of an output voltage depending on an

Details Circuit for the production of an output voltage depending on an Circuit for the production of an output voltage depending on an

1976-11-24

1978-07-11

Pellinen, A. D.

Electric power conversion systems

Current conversion

Using semiconductor-type converter

323DIG1, 363 25, 363124, H02M 3335

Patent

active

041005953

ABSTRACT:
A circuit for the production of an output voltage generated based upon an input direct voltage and a given desired voltage. A series connection comprises a longitudinal regulating member, an inductor and a push-pull current transformer which produces the output voltage. The input direct voltage is fed to the push-pull current transformer. The push-pull current transformer includes a push-pull transformer having push-pull primary winding and a secondary winding. In addition, the push-pull current transformer includes switching transistors which are switched on and off in push-pull by a control circuit. The control circuit delivers a suitable cyclical changing control signal to the switching transistors. Circuitry is provided for minimizing if not eliminating spikes in the current occurring during a switching of the switching transistors. As a result, the switching transistors remain free from excessive voltages which can damage same.

REFERENCES:
patent: 3365650 (1968-01-01), Camp et al.
patent: 3378752 (1968-04-01), Naylor
patent: 3969652 (1976-07-01), Herzog
Hoffman, "Switching Regulator Having Ripple Compensation by Current Insertion in Transformer Primary", IBM TDB, vol. 18, No. 9, Feb. 1976, pp. 2927, 2928.
Beesley, "Push-Push Power Inverter", IBM TDB, vol. 18, No. 11, Apr. 1976, p. 3736.

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