A Novel Single-Phase Full-Bridge Soft-Switching Inverter Including Auxiliary Circuits Parallel with Load

WANG Qiang; WANG You-zheng; WANG Tian-shi; LIU Xiao-qin

doi:10.3969/j.issn.0372-2112.2020.05.026

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A Novel Single-Phase Full-Bridge Soft-Switching Inverter Including Auxiliary Circuits Parallel with Load

更新时间：2025-07-16

- A Novel Single-Phase Full-Bridge Soft-Switching Inverter Including Auxiliary Circuits Parallel with Load
- Acta Electronica Sinica Vol. 48, Issue 5, Pages: 1036-1040(2020)
- 作者机构：
  
  1. 辽宁石油化工大学信息与控制工程学院,辽宁,抚顺,113001
  2. 辽宁石油化工大学石油化工过程控制国家级实验教学示范中心,辽宁,抚顺,113001
  3. 辽宁石油化工大学信息与控制工程学院,辽宁,抚顺,113001
  4. 辽宁石油化工大学石油化工过程控制国家级实验教学示范中心,辽宁,抚顺,113001
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0372-2112.2020.05.026
  CLC： TM464
- Published Online：25 May 2020，
  
  Published：2020
- 稿件说明：
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WANG Qiang, WANG You-zheng, WANG Tian-shi, et al. A Novel Single-Phase Full-Bridge Soft-Switching Inverter Including Auxiliary Circuits Parallel with Load[J]. Acta Electronica Sinica, 2020, 48(5): 1036-1040.
DOI：

WANG Qiang, WANG You-zheng, WANG Tian-shi, et al. A Novel Single-Phase Full-Bridge Soft-Switching Inverter Including Auxiliary Circuits Parallel with Load[J]. Acta Electronica Sinica, 2020, 48(5): 1036-1040. DOI： 10.3969/j.issn.0372-2112.2020.05.026.

摘要

为优化单相全桥逆变器的效率，提出了一种新型单相全桥软开关逆变器，其输出端设置了1组与负载并联的辅助电路.在辅助电路处于工作状态时，逆变器桥臂上的主开关能完成零电压软开通和零电流软关断，使该逆变器能通用于中小功率领域和大功率领域.分析了1个开关周期内的逆变器工作流程.在3kW样机上的实验结果表明开关器件实现了软切换，样机在额定功率下的效率达到99.1%.因此，该拓扑结构对于优化单相全桥逆变器的性能具有重要意义.

Abstract

In order to optimize the efficiency of single-phase full-bridge inverter

a single-phase full-bridge soft-switching inverter is proposed. The auxiliary circuit is parallel with the load at the output end of the inverter. When the auxiliary circuit is in working state

the main switches on the bridge arm of the inverter can accomplish zero-voltage turn-on and zero-current turn-off so that the inverter can be generally used in the medium and small power field and high power field. The working process of the inverter in a switching period is analyzed. The experimental results on a 3kW prototype show that the switching devices achieve soft-switching

and the efficiency of the prototype reaches 99.1% at the rated power. Therefore

this topology is of great significance for optimizing the performance of single-phase full-bridge inverters.

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