Power source device with minimized variation in circuit efficien

Details Power source device with minimized variation in circuit efficien Power source device with minimized variation in circuit efficien

1997-04-11

1999-08-31

Kinkead, Arnold

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Transformer in the supply circuit

315278, 315219, 315248, 330251, H05B 4100

Patent

active

059457856

ABSTRACT:
A power source device includes a high frequency power source having a pair of switching elements and converting a DC voltage into an AC high frequency voltage to be supplied to a load, a driving transformer having, wound on a magnetic core, a primary winding and a pair of secondary windings connected respectively in series to each of control terminals of the pair of the switching elements, and a driving device for driving the two switching elements by applying a voltage to the primary winding of the driving transformer. The secondary windings are wound on the core to be separated in every turn at equal intervals and not to be intimately close to each other, for remarkable improvement in the degree of variability in the efficiency of circuit forming the power source device.

REFERENCES:
patent: 5023566 (1991-06-01), El-Hamamsy et al.
patent: 5030889 (1991-07-01), El-Hamamsy et al.
patent: 5306986 (1994-04-01), Siao
patent: 5414327 (1995-05-01), Reijnaerts

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