Design and Control of a High-Power Wide-Gain-Range LLC Resonant Converter

被引：12
|
作者：
Zhao, Chunyang [1 ]
Jin, Feng [1 ]
Li, Zheqing [1 ]
Hsieh, Yi-Hsun [1 ]
Lee, Fred C. [1 ]
Li, Qiang [1 ]
机构：
[1] Virginia Polytech Inst & State Univ, Ctr Power Elect Syst, Blacksburg, VA 24061 USA
来源：
2022 IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, APEC | 2022年
关键词：
LLC converter; high power; wide gain range; control; VOLTAGE;
D O I：
10.1109/APEC43599.2022.9773412
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A design and control method are introduced in this paper to improve the overall efficiency of an LLC converter for railway applications, with high power and wide gain range requirements. Multi operation modes are combined together. Magnetizing inductance is designed to minimize device loss under unity gain operation. Boost mode operation provides an ability to boost gain much higher than frequency modulation could, and release the constrain of resonant tank design with respect to the peak gain requirement. The 30kW prototype circuit verifies the proposed design and control method.
引用
收藏
页码：40 / 44
页数：5
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