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Single-switch frequency-controlled electronic dimming ballast with unity power factor

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2 Author(s)
Chang-Shiarn Lin ; Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan ; Chern-Lin Chen

This paper describes a single-switch electronic dimming ballast with unity input power factor. The proposed single-switch ballast is the combination of a boost converter and a modified series/parallel inverter. Dimming control is achieved by varying the switching frequency. Design considerations are listed and experimental results verify the analytical derivations

Published in:

IEEE Transactions on Aerospace and Electronic Systems  (Volume:36 ,  Issue: 3 )