A high-power-factor electronic ballast using a flyback push-pull integrated converter

This paper describes a high-power-factor electronic ballast for fluorescent lamps. The converter offers a high power factor and a high-frequency supply to the lamp using a single switch. In spite of its simplicity, an excellent performance concerning load and supply is achieved, ensuring a sinusoida...

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Published in:IEEE transactions on industrial electronics (1982) 1999-08, Vol.46 (4), p.796-802
Main Authors: Prado, R.N.D., Bonafldo, S.A.
Format: Article
Language:English
Subjects:
Ballast
Converters
Current supplies
Electronic ballasts
Electronics
Equations
Fluorescent lamps
Line voltage
Mathematical analysis
Power factor
Reactive power
Stress
Switches
Switching converters
Switching frequency
Voltage
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container_title IEEE transactions on industrial electronics (1982)
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creator Prado, R.N.D.
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description This paper describes a high-power-factor electronic ballast for fluorescent lamps. The converter offers a high power factor and a high-frequency supply to the lamp using a single switch. In spite of its simplicity, an excellent performance concerning load and supply is achieved, ensuring a sinusoidal and in-phase supply current. High power factor is achieved by using a flyback converter operating in discontinuous conduction mode. Operating principle, design equations, component stress, and efficiency are presented. Experimental results have been obtained for one 40-W fluorescent lamp operating at 50-kHz switching frequency and 220-V line voltage.
doi_str_mv 10.1109/41.778245
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source IEEE Electronic Library (IEL) Journals
subjects Ballast
Converters
Current supplies
Electronic ballasts
Electronics
Equations
Fluorescent lamps
Line voltage
Mathematical analysis
Power factor
Reactive power
Stress
Switches
Switching converters
Switching frequency
Voltage
title A high-power-factor electronic ballast using a flyback push-pull integrated converter
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