A modified control scheme to alleviate DC voltage stress in active clamp PFC AC/DC converter with universal input

被引：0
|
作者：
Wu, WK [1 ]
Qiu, WH [1 ]
Gu, W [1 ]
Batarseh, I [1 ]
机构：
[1] APECOR Co, Orlando, FL 32826 USA
来源：
APEC 2002: SEVENTEENTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, VOLS 1 AND 23 | 2002年
关键词：
D O I：
10.1109/APEC.2002.989288
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
A modified control scheme is proposed to alleviate bulk capacitor voltage stress in active clamp Bi-flyback Power Factor Correction (PFC) AC/DC converter with universal input. In the proposed control scheme, the auxiliary switch is turned on with a fixed narrow pulse-width, rather than the conventional complimentary signal of the main switch. As a result, the proposed technique will substantially suppress the DC voltage well below 400V under the entire input range. The improved performance was experimentally verified through a 28V@5.35A prototype.
引用
收藏
页码：483 / 489
页数：7
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