Inductive ballasting of direct current gas discharges

Details Inductive ballasting of direct current gas discharges Inductive ballasting of direct current gas discharges

1982-08-09

1984-05-22

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Discharge device and/or rectifier in the supply circuit

Plural discharge devices and/or rectifiers in the supply...

315208, 315283, 315DIG7, 315307, 363 88, H05B 4116

Patent

active

044503857

ABSTRACT:
A ballast circuit for direct current gaseous electrical discharge devices includes a rectifying bridge, and an inductive ballast for storing excess energy. The rectifying bridge uses a pair of thyristors which must be gated on for the bridge to supply rectified voltage to the inductor and device. Gating is delayed at the beginning of each half-cycle to allow the inductor to discharge most of its stored energy.

REFERENCES:
patent: 3305763 (1967-02-01), Kupferberg et al.
patent: 3813594 (1974-05-01), Toth
patent: 4356433 (1982-10-01), Linden

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