Starter circuit for discharge lamp

Electric lamp and discharge devices: systems – Surge generator or inductance in the supply circuit

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Details

315207, 315240, 315243, H05B 4116

Patent

active

043552641

ABSTRACT:
A starter circuit for a high power discharge lamp connected to an AC source via a series inductor. The starter circuit comprises a capacitor connected in series with a triac across the lamp, and a branch including a first resistor connected in series with a zener diode and a second resistor between the junction of the capacitor and triac and one side of the AC source. A driving circuit for the triac includes a diac connected to the junction of the second resistor and zener diode.

REFERENCES:
patent: 3679936 (1972-07-01), Moerkens
patent: 4210850 (1980-07-01), Britton

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