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Harmonized strategy for breaking the striations in the fluorescent lamp

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2 Author(s)
Guan-Chyun Hsieh ; Dept. of Electron. Eng., Nat. Taiwan Univ. of Sci. & Technol., Taipei, Taiwan ; Chang-Hua Lin

A harmonized strategy for breaking the striations in the fluorescent lamp is proposed. The harmonized circuit (HC) presented is a dependent current source and is used to modulate the lamp current by making the amplitudes of the even harmonics nearly the same as the neighboring odd harmonics. The time and frequency responses of the lamp current without and with HC are respectively simulated and experimented for describing the striation behavior. The dimmer system with HC can actually provide better immunity from striation for the lamp during a wide dimming range from 10% to 100%. In addition, the lighting efficiency increases up to 16.2%

Published in:

IEEE Transactions on Industrial Electronics  (Volume:48 ,  Issue: 2 )