A Synchronous Auxiliary Resonant Commutated Pole Soft-Switching Inverter With Improved Load Adaptability

被引：26

作者：

Gong, Wenkang ^{[1
]}

Pan, Shangzhi ^{[1
]}

Lin, Wenqiang ^{[1
]}

Shang, Yuan ^{[1
]}

Gong, Jinwu ^{[1
]}

Liu, Fei ^{[1
]}

Zha, Xiaoming ^{[1
]}

机构：

[1] Wuhan Univ, Sch Elect Engn & Automat, Wuhan 430072, Peoples R China

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2022年 / 37卷 / 03期

关键词：

Inverters; Switches; Inductors; Capacitance; Voltage; Unmanned aerial vehicles; Timing; Auxiliary resonant commutated pole (ARCP); inverter; soft-switching; synchronous auxiliary resonant commutated pole (SARCP);

D O I：

10.1109/TPEL.2021.3114263

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：

To realize a soft-switching inverter with small volume and high efficiency, a synchronous auxiliary resonant commutated pole (SARCP) soft-switching inverter with improved load adaptability is proposed, which only contains two auxiliary inductors. In one switching cycle, all commutation processes can be synchronously assisted by an auxiliary inductor. Soft switching is achievable for all switches of the SARCP inverter. Compared with the auxiliary resonant commutated pole (ARCP) inverter, the SARCP inverter has improved load adaptability, especially in the light load current condition, which is beneficial to reduce the total power loss and the dc-link capacitance. The equivalent circuits of the SARCP inverter are given under different operation modes. The operation principle, soft-switching implementation conditions, parameter optimization design methods, and the characteristics of the SARCP inverter are analyzed. Finally, simulation and experimental results verify the effectiveness of the SARCP inverter.

引用

页码：3073 / 3084

页数：12

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