A high power factor ballast using a single switch with both power stages integrated

This paper presents a high power factor electronic ballast used to startup fluorescent lamps employing a single power stage and a single-switch. This topology was obtained combining of a Boost converter and a new inverter topology with coupled inductors. The use of a single active switch reduces the...

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Bibliographic Details
Published in:IEEE transactions on power electronics 2006-03, Vol.21 (2), p.524-531
Main Authors: Silva de Morais, A., Farias, V.J., de Freitas, L.C., Coelho, E.A.A., Batista Vieira, J.
Format: Article
Language:English
Subjects:
Applied sciences
Ballast
Circuit topology
Circuits
Coupling circuits
Electrical engineering. Electrical power engineering
Electronic ballast
Electronic ballasts
Electronics
Equations
Exact sciences and technology
Fluorescent lamps
Fluorescent lighting
Inductors
Inverters
Mathematical analysis
Power electronics, power supplies
Power factor
Power semiconductor switches
Power supply
Reactive power
semiconductor devices
Semiconductors
Switches
Switching
Switching circuits
Topology
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Summary:This paper presents a high power factor electronic ballast used to startup fluorescent lamps employing a single power stage and a single-switch. This topology was obtained combining of a Boost converter and a new inverter topology with coupled inductors. The use of a single active switch reduces the number of components used in the control and power circuits. The equations used for designing the proposed reactor and for choosing the semiconductor devices are presented. A prototype operating at 50kHz was built and used to startup 40-W fluorescent lamps.
ISSN:0885-8993
1941-0107
DOI:10.1109/TPEL.2005.869774