Circuit arrangement for starting and operating a high-pressure g

Details Circuit arrangement for starting and operating a high-pressure g Circuit arrangement for starting and operating a high-pressure g

1983-11-25

1985-09-03

Dixon, Harold

Electric lamp and discharge devices: systems

Plural power supplies

Diverse-type current supplies

315173, 315200R, 315241, 315274, 315DIG7, H05B 3700

Patent

active

045395136

ABSTRACT:
A circuit arrangement for starting and operating a high-pressure gas discharge lamp having an outer starting electrode connected to an igniter. A full-wave rectifier (1) is connected to an alternating voltage supply (A, B) and has an output shunted by a series arrangement of a diode (4) and a capacitor (5). The capacitor is discharged in part through the lamp (3) after each half period of the alternating voltage. A resistor (6), which is high-ohmic with respect to a current limiter (2), is connected in the current circuit between the end of the capacitor (5) facing the diode (4) and the lamp (3). Thus, starting of the lamp is facilitated.

REFERENCES:
patent: 3066243 (1962-11-01), Mutschler
patent: 3376470 (1968-04-01), Stone et al.
patent: 3403293 (1968-09-01), Michelsen
patent: 4316124 (1982-02-01), Verwimp et al.

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