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Design and implementation of novel single-stage charge-pump power factor correction electronic ballast for metal halide lamp

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2 Author(s)
Ray-Lee Lin ; Department of Electrical Engineering, National Cheng-Kung University, Tainan City, Taiwan ; Chih Lo

This paper presents a novel single-stage charge-pump (CP) power-factor-correction (PFC) electronic ballast for the MH lamps driven with the low-frequency square-wave current to avoid the acoustic-resonance problem. In order to achieve high power factor and meet the IEC regulation, the CPPFC technique is applied to the full-bridge inverter of the conventional electronic ballast. Based on the analyses of the operational modes for the proposed electronic ballast, the design criteria of the CP components for the proposed electronic ballast are presented. A prototype circuit for 35-W MH lamp is implemented to confirm the presented design criteria.

Published in:

IECON 2010 - 36th Annual Conference on IEEE Industrial Electronics Society

Date of Conference:

7-10 Nov. 2010