High-frequency power unit for neon tubes

Details High-frequency power unit for neon tubes High-frequency power unit for neon tubes

1993-11-01

1996-03-05

Wong, Peter S.

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

363 98, 363132, 323250, 315DIG7, H02M 545

Patent

active

054973104

ABSTRACT:
DC power is converted by an inverter to high-frequency power, which is supplied to the primary winding of a neon transformer. One or more neon tubes are connected in series across the secondary winding of the neon transformer. A saturable reactor is connected across the secondary winding or the neon transformer. The saturable reactor has a characteristic that its magnetic flux is saturated when the output voltage from the secondary winding of the neon transformer increases 1.1 to 2.0 times the rated voltage.

REFERENCES:
patent: 3739255 (1973-06-01), Leppert
patent: 4002875 (1977-01-01), Kiuchi et al.
patent: 4130790 (1978-12-01), Heisey
patent: 4414491 (1983-11-01), Elliott
patent: 4508996 (1985-04-01), Clegg et al.
patent: 4583156 (1986-04-01), Forge
patent: 4727470 (1988-02-01), Nilssen
patent: 5099407 (1992-03-01), Thorne
"Ferroresonant Regulator Design", by H. B. Farensbach, IEEE Trans. on Magnetics, vol. 1, No. 1, Mar. 1970, p. 9.

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