Power supply device

Details Power supply device Power supply device

1981-03-05

1983-07-26

Dixon, Harold A.

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Silicon controlled rectifier ignition

315222, 315278, 315307, H05B 3702

Patent

active

043956599

ABSTRACT:
An output transformer for an inverter driven by a pulsating voltage obtained through the full wave rectification of a low frequency alternating current voltage is provided with an auxiliary winding, and a high frequency voltage obtained from the auxiliary winding is rectified to obtain a voltage for charging a capacitor. The voltage across the capacitor is used as an auxiliary voltage together with the pulsating voltage for driving the inverter. The circuit for charging the capacitor includes a current limiting inductor having first and second coil sections, through which the charging current flows alternately in opposite directions depending upon the polarity of the high frequency voltage.

REFERENCES:
patent: 3302060 (1967-01-01), Blok et al.
patent: 4017785 (1977-04-01), Perper
patent: 4127795 (1978-11-01), Knoll
patent: 4259616 (1981-03-01), Smith

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