Series-Resonant Converter with Reduced-Frequency-Range Control

被引：0
|
作者：
Jang, Yungtaek [1 ]
Jovanovic, M. [1 ]
Ruiz, Juan M. [1 ]
Liu, Gang [2 ,3 ]
机构：
[1] Delta Prod Corp, Power Elect Lab, 5101 Davis Dr, Res Triangle Pk, NC 27709 USA
[2] Fudan Univ, Elect Engn, Shanghai 200433, Peoples R China
[3] Delta Power Elect Shanghai Co Ltd, Shanghai 201209, Peoples R China
来源：
2015 THIRTIETH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC 2015) | 2015年
关键词：
DESIGN METHODOLOGY;
D O I：
暂无
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：
In this paper, a control method that improves performance of series-resonant converters that operate with a wide input-voltage and/or output-voltage range by substantially reducing their switching-frequency range. The switching-frequency-range reduction is achieved by controlling the output voltage with a combination of variable-frequency and delay-time control. Variable-frequency control is employed to control the primary switches, while delay-time control is used to control secondary-side rectifier switches provided in place of diode rectifiers. The performance evaluation of the proposed control was done on a 690-W prototype operating in a 200-450-V input-voltage range and delivering a 13.8-V output voltage. The prototype circuit exhibits the maximum full-load efficiency of 95.8% with a switching frequency variation from 48 kHz to 72 kHz over the entire input-voltage range.
引用
收藏
页码：1453 / 1460
页数：8
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