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http://dx.doi.org/10.5573/ieie.2017.54.4.108

The Cost-effective Eletronic ballast for Metal halide Lamp using DSP  

Han, Sang-Soo (Department of Energy and Information Technology, Gachon University)
Publication Information
Journal of the Institute of Electronics and Information Engineers / v.54, no.4, 2017 , pp. 108-112 More about this Journal
Abstract
High-intensity-discharge lamps are widely utilized in outdoor and indoor lighting circumstances that need high luminance. In lighting applications for MHD lamps, the size of the lamp ballast circuit is an important factor and should be as small as possible. The electronic ballast for MHD lamps is superior to the electromagnetic(EM) ballast in that it saves energy, and has smaller volume and lighter weight. In this paper, highly efficient cost-effective and small sized electronic ballast for Metal Halide Lamp with high power factor using Digital Signal Processor are proposed. The proposed electronic ballast for MHD lamps combines a boost PFC converter with a half-bridge inverter, the algorithms of the power factor correction and ballast control were implemented using the TI's TMS320LF2406 CPU. Experimental results validate the ballast is also useful and reasonably suggested.
Keywords
cost-effective electronic ballast; half-bridge inverter; boost PFC converter; Digital Signal Processor; MHD lamp;
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