Circuit arrangement

Details Circuit arrangement Circuit arrangement

1999-10-18

2000-10-24

Nguyen, Matthew

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Silicon controlled rectifier ignition

363 37, H05B 3702, H02M 545

Patent

active

06137234&

ABSTRACT:
A circuit arrangement for operating two or more discharge lamps in parallel, includes a transformer in a resonant load circuit. Each of the lamps is part of a series arrangement of the lamp and a capacitor. The operating frequency is chosen below the frequency for which the phase shift between the voltage and current in the load circuit is minimal. During operation, the amplitude of the current in the load circuit is relatively low so that power dissipation in the load circuit is also very low.

REFERENCES:
patent: 5070276 (1991-12-01), Burgholte et al.
patent: 5438243 (1995-08-01), Kong
patent: 5781418 (1998-07-01), Chang et al.
patent: 6043606 (2000-03-01), Arts et al.
patent: 6049177 (2000-04-01), Felper

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