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문성진(Seong-jin Moon),조보형(B. H. Cho) 전력전자학회 2001 전력전자학술대회 논문집 Vol.2001 No.-
New electronic ballast for metal halide lamps is proposed. New ballast has higher efficiency than that of conventional ballast. Proposed 2stage ballast uses low arm switch as synchronous rectifier switch. Switch-on voltage drop is smaller than that of diode in small current(<1.5A). High arm switch is turned on in zero voltage in proposed ballast. So conduction loss and switching loss are reduced. Index word-synchronous rectifier switch, zero voltage switching, conduction loss, switching loss.<br/> <br/>