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High frequency electronic ballast provides line frequency lamp current

Santi, Enrico and Zhang, Zhe and Ćuk, Slobodan (2001) High frequency electronic ballast provides line frequency lamp current. IEEE Transactions on Power Electronics, 16 (5). pp. 667-675. ISSN 0885-8993. doi:10.1109/63.949499.

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Most electronic ballasts for fluorescent lamps provide a sinusoidal lamp current at the switching frequency. The high-frequency current flowing through the lamp can generate significant radiated noise, which is unacceptable in noise-sensitive applications, such as fluorescent lights in airplanes. Using shielded enclosures for the lamps may solve the problem, but it is expensive. A discontinuous conduction mode (DCM) electronic ballast topology is presented which drives the lamp with line frequency current, just like a magnetic ballast. However, compared to a magnetic ballast, its weight is substantially reduced due to operation at 40 kHz switching frequency. The topology also ensures unity power factor at the input and stable lamp operation at the output.

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Additional Information:© Copyright 2001 IEEE. Reprinted with permission. Manuscript received December 20, 2000; revised June 1, 2001. Recommended by Associate Editor J. Qian.
Subject Keywords:Electromagnetic interference, electronic ballasts, power factor correction
Issue or Number:5
Record Number:CaltechAUTHORS:SANieeetpe01
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:6955
Deposited By: Archive Administrator
Deposited On:03 Jan 2007
Last Modified:08 Nov 2021 20:38

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