Coupled Inductor Based Bidirectional Resonant Converter With Sine Wave Modulation in Wide Voltage Range

被引：13
作者：
Xu, Jingtao [1 ]
Sun, Yao [1 ]
Xu, Guo [1 ]
Su, Mei [1 ]
机构：
[1] Cent South Univ, Sch Automat, Hunan Prov Key Lab Power Elect Equipment & Grid, Changsha 410083, Peoples R China
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2022年 / 37卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Inductors; Topology; Zero voltage switching; Voltage control; Resonant converters; Bridge circuits; Switches; Coupled inductor; resonant converter; zero voltage switching (ZVS); DC-DC CONVERTER; SYSTEM;
D O I：
10.1109/TPEL.2021.3120740
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：
This letter proposes a coupled inductor based bidirectional series resonant converter (CIBSRC). In addition, a sine-wave modulation (SWM) with fixed frequency is also proposed to achieve load independent voltage gain for wide voltage range. The proposed CIBSRC integrates a boost stage and a resonant stage by a coupled inductor which replaces boost inductor, resonant inductor, and high frequency transformer. Compared with the bidirectional integrated resonant topologies, the number of magnetic components is less. Under proposed SWM, only one set of pulsewidth modulation signal is needed and zero voltage switching (ZVS) of all switches could be realized. Besides, the resonant current is a sine-wave which can simplify ZVS analysis and reduce current harmonics. A 500-W prototype with 100x2013;200x00A0;V input voltage and 360x00A0;V output voltage was built and the results proved the reliability and validity.
引用
收藏
页码：3713 / 3718
页数：6
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