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Issue:
Electronic Ballast Based on Half-Bridge Dual Buck Converter
Author(s):
WANG Jian-qiang
,
XU Dian-guo
Pages:
378
-
382
Year:
2005
Issue:
2
Journal:
CHINESE JOURNAL OF ELECTRON DEVICES
Keyword:
双buck变换器
;
准方波谐振
;
金属卤化物灯
;
电子镇流器
;
Abstract:
低频方波驱动模式是目前小功率金属卤化物灯电子镇流器抑制声谐振最有效的方法.本文提出了半桥双降压(Buck)型准方波谐振功率变换器,使所有的半导体开关器件都可以在零电压的条件下开通.并将其应用到70W金属卤化物灯电子镇流器中,达到了金属卤化物灯正常工作的要求.
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