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High power factor electronic ballast for compact fluorescent lamps based in a class E amplifier with LCC resonant tank

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3 Author(s)
Ponce, M. ; Dept. de Electron., Centro Nacional de Investigacion y Desarrollo Tecnologico, Cuernavaca, Mexico ; Vazquez, R. ; Arau, J.

In this paper, two new topologies based on the class E amplifier with high power factor, low current crest factor, high efficiency, high power density, single stage and working with a single switch are presented. These topologies are based also on a modified valley fill technique. In one of the proposed topologies, unity power factor is obtained feeding the class E with two parallel current sources. In the other, two inductors connected in series with magnetic coupling are used as one current source feed. Zero voltage transitions in the switch are obtained in both topologies

Published in:

Power Electronics Congress, 1998. CIEP 98. VI IEEE International

Date of Conference:

12-15 Oct 1998