A single-stage phase-shifted full-bridge electronic ballast for high-pressure mercury lamps

作者: HUANG-JEN CHIU , YU-KANG LO , CHUN-JEN YAO , CHING-CHUN CHUANG , MING-HSIANG TSENG

DOI: 10.1142/S0218126610006852

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摘要: This paper presents a single-stage high-frequency full-bridge electronic ballast for high-pressure mercury lamps in high-luminance LCD projector systems. The studied is found to have high conversion efficiency due its circuit with zero-voltage switching features. A power factor can be achieved by using developed topology. operation principles and design considerations are analyzed discussed detail. laboratory prototype designed implemented driving 150 W lamp. simulation experimental waveforms given verify the feasibility of proposed method.

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