Inverter

Details Inverter Inverter

1975-11-19

1977-06-14

Beha, Jr., William H.

H02M 7515

Patent

active

040300218

ABSTRACT:
An inverter circuit includes at least two semiconductor controlled rectifiers operatively connected between a source of direct current and an AC load to provide an output current with alternating polarity. A series combination of a commutation capacitor and a primary winding of a transformer connected across the semiconductor controlled rectifier applies reverse bias to the semiconductor rectifier. A first semiconductor uni-directional conductive element is connected in anti-parallel with each of the semiconductor controlled rectifiers to pass reverse current on commutation. The output current with alternating polarity flows through a secondary winding of the transformer to control the charging and discharging currents of the commutation capacitor flowing through the primary winding of the transformer.

REFERENCES:
patent: 3414797 (1968-12-01), Morgan
patent: 3431436 (1969-03-01), King

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