A ZVS bidirectional dc-dc converter with phase-shift plus PWM control scheme

被引：217
|
作者：
Xiao, Huafeng [1 ]
Xie, Shaojun [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Coll Automat Engn, Nanjing 210016, Peoples R China
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2008年 / 23卷 / 02期
关键词：
active clamping; bidirectional dc-dc converter; phase-shift plus pulsewidth modulation (PSP); pulsewidth modulation (PWM); zero voltage switching (ZVS);
D O I：
10.1109/TPEL.2007.915188
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：
The current-voltage-fed bidirectional dc-dc converter, which refers to a current-fed inverter at low voltage side and a voltage-fed inverter at high voltage side, can realize zero voltage switching (ZVS) for the switches with the use of phase-shift (PS) technology. However, the current-fed switches suffer from high voltage spike and high circulating conduction loss. In order to solve these problems, a novel phase-shift plus pulsewidth modulation (PSP) control ZVS bidirectional dc-dc converter is proposed in this paper. By adopting active clamping branch and PSP technology, the converter can realize ZVS for all switches in a wide range of load variation while input or output voltage varies. In addition, a novel control strategy with one port voltage regulation and another port current regulation is proposed to make energy bidirectional conversion freely. The operation principle is analyzed and verified by a 28V/270V conversion prototype rated at 1.5kW
引用
收藏
页码：813 / 823
页数：11
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