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http://dx.doi.org/10.5207/JIEIE.2002.16.1.020

Development of Electronic Ballast for Metal Halide Lamp wilts Free Voltage Input  

김기정 (나노조명 대표)
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.16, no.1, 2002 , pp. 20-26 More about this Journal
Abstract
HID(high intensity discharge)lamps include high pressure mercury lamp, high pressure sodium lamp and metal halide lamp. Metal halide lamps have been considered to be one of the most erective light sources. These lamps have good efficiency, good color rendering and good focusing capability. The objective of this research is to alum on the metal halide lamp(MH70W) by the developed electronic ballast with free voltage input(AC 100∼277V). The developed electronic ballast consists of a free voltage input converter, a flyback converter ＆ half-bridge inverter, ignitor ＆ protector and control1er. Experimental results show that developed electronic ballast turns on the metal halide lamp(MH70W) with free voltage input(AC 100∼277V) very well.
Keywords
Free voltage input converter; Metal halide lamp; Electronic ballast;
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