Commutator for a discharge lamp having mutually coupled inductor

Details Commutator for a discharge lamp having mutually coupled inductor Commutator for a discharge lamp having mutually coupled inductor

1998-06-01

1999-12-21

Vu, David H.

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Silicon controlled rectifier ignition

315224, 315DIG5, H05B 3702

Patent

active

060053534

ABSTRACT:
A circuit arrangement for igniting and operating a discharge lamp is provided with input terminals for connecting a supply source and a commutator having output terminals for connecting a lamp to be operated, the commutator including at least two switches which are alternately in a conducting and a non-conducting state. The commutator is suitable for pulse width modulation (PWM) operation of the switches. The switches and an output terminal are connected to one another by coupled inductors for this purpose.

REFERENCES:
patent: 5612594 (1997-03-01), Maheshwari
patent: 5691603 (1997-11-01), Nilssen

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