Circuit arrangement for operating a high-pressure sodium dischar

Details Circuit arrangement for operating a high-pressure sodium dischar Circuit arrangement for operating a high-pressure sodium dischar

1986-06-23

1990-08-28

Boudreau, Leo H.

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Silicon controlled rectifier ignition

315307, 315194, 315308, 315227R, H05B 3702

Patent

active

049528467

ABSTRACT:
A circuit arrangement for operating at a supply voltage V.sub.n a high-pressure sodium discharge lamp (4) having a lamp voltage V.sub.la in conjunction with a current limiter circuit (3) and a first controlled semiconductor switching element (1). The circuit arrangement comprises

REFERENCES:
patent: 3989976 (1976-11-01), Tabor
patent: 4162429 (1979-07-01), Elms et al.
patent: 4475065 (1984-10-01), Bhalla et al.

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