Hybrid Modulation of Parallel-Series LLC Resonant Converter and Phase Shift Full-Bridge Converter for a Dual-Output DC-DC Converter

被引：71

作者：

Li, Guangdi ^{[1
]}

Xia, Jin ^{[1
]}

Wang, Kun ^{[1
]}

Deng, Yan ^{[1
]}

He, Xiangning ^{[1
]}

Wang, Yousheng ^{[1
]}

机构：

[1] Zhejiang Univ, Coll Elect Engn, Hangzhou 310027, Zhejiang, Peoples R China

来源：

IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS | 2019年 / 7卷 / 02期

关键词：

Dual-output dc-dc converter; LLC resonant converter; phase shift full bridge (PSFB) converter; zero-voltage switching (ZVS); SWITCHING-FREQUENCY; RANGE; ZVS; DESIGN;

D O I：

10.1109/JESTPE.2019.2900700

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 novel pulse frequency and phase shift hybrid modulated dual-output dc-dc converter is proposed in this paper. The proposed converter is composed of hybrid modulation of an input-parallel-output-series LLC resonant converter and a phase shift full bridge (PSFB) converter. The output voltage of the LLC resonant converter is modulated by the switching frequency, whereas the output voltage of the PSFB converter is modulated by the phase angle; therefore, the two output voltages are regulated independently and free from crass regulation. The series inductor of the PSFB converter does not need to he specially designed to help achieving the soft switching operation, and the duty cycle loss could be mitigated. Zero-voltage switching can be achieved on the power switches in the whole load range. Finally, a 1.2-kW 400-input 200-400-V and 48-V output prototype is built and tested to verify the effectiveness of the proposed converter.

引用

页码：833 / 842

页数：10

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