An Energy-Saving Single-Phase Full Bridge Inverter with Simple Control

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

doi:10.12263/DZXB.20180932

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An Energy-Saving Single-Phase Full Bridge Inverter with Simple Control

CORRESPONDENCE | 更新时间：2025-12-11

- An Energy-Saving Single-Phase Full Bridge Inverter with Simple Control
- ACTA ELECTRONICA SINICA Vol. 50, Issue 3, Pages: 764-768(2022)
- 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
- 作者简介：
- 基金信息：
- DOI：10.12263/DZXB.20180932
  CLC： TM464
- Received：24 October 2018，
  
  Revised：2019-02-11，
  
  Published：25 March 2022
- 稿件说明：
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王强,王有政,王天施等.控制简单的节能型单相全桥逆变器[J].电子学报,2022,50(03):764-768.

WANG Qiang,WANG You-zheng,WANG Tian-shi,et al.An Energy-Saving Single-Phase Full Bridge Inverter with Simple Control[J].ACTA ELECTRONICA SINICA,2022,50(03):764-768.
王强,王有政,王天施等.控制简单的节能型单相全桥逆变器[J].电子学报,2022,50(03):764-768. DOI： 10.12263/DZXB.20180932.

WANG Qiang,WANG You-zheng,WANG Tian-shi,et al.An Energy-Saving Single-Phase Full Bridge Inverter with Simple Control[J].ACTA ELECTRONICA SINICA,2022,50(03):764-768. DOI： 10.12263/DZXB.20180932.

摘要

为改善单相全桥逆变器的功率变换效率，提出了一种控制简单的节能型单相全桥软开关逆变器拓扑结构.逆变器采用简单的受限单极式正弦脉宽调制方法，在每个开关周期的工作过程中，仅需切换1个主开关和1个辅助开关，而且不需要设定谐振电流阈值和实时检测负载电流来控制辅助开关，使逆变器的可靠性和实用性得到改善.在逆变器工作过程中，利用辅助电路使主开关实现零电流软开通和零电压软关断，辅助开关也能实现零电流软开通，通过降低开关损耗来实现逆变器节能运行.文中分析了电路工作过程.搭建了一台2kW样机，实验结果表明主开关和辅助开关都实现了软切换，这为进一步研发高性能的实用新型单相全桥软开关逆变器奠定了理论和技术基础.

Abstract

A topology of an energy-saving single-phase full bridge inverter with simple control is proposed to improve power conversion efficiency of single-phase full bridge inverter. Simple limited unipolar sinusoidal pulse width modulation is applied in the inverter. Only one main switch and one auxiliary switch need to be controlled in the working process in every switching period. Moreover

setting threshold of resonant current and load current need not to be designed to control the auxiliary switch

thus improving the reliability and practicability of the inverter. During the operation of the inverter

the auxiliary circuit is used to make the main switch achieve zero-current turn on and zero-voltage turn off

and the auxiliary switch also achieves zero-current turn on. Energy-saving operation of the inverter is achieved by reducing the switching loss. In this paper

the working process of the circuit is analyzed. The experimental results on a single-phase prototype with rated power of 2kW show that the switching devices could achieve soft-switching

which lays a theoretical and technical foundation for further research and development of a new practical single-phase full-bridge soft-switching inverter with high performance.

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references

CHU Enhui , WU Mengyang , Huang Liang , et al ． Research on a novel modulation strategy for auxiliary resonant commutated pole inverter with the smallest loss in auxiliary commutation circuits [J]. IEEE Transactions on Power Electronics , 2014 , 29 ( 3 ): 1103 ‑ 1117 .

王强 , 岳远韶 , 王天施 , 等．无源器件辅助换流的单相全桥软开关逆变器 [J]. 电子学报 , 2018 , 46 ( 9 ): 2295 ‑ 2298 .

WANG Qiang , YUE Yuanshao , WANG Tianshi , et al . Single-phase full-bridge soft-switching inverter with passive device-assisted commutation [J]. Acta Electronica Sinica , 2018 , 46 ( 9 ): 2295 ‑ 2298 . (in Chinese)

王强 , 岳远韶 , 王天施 , 等．单相全桥三电平节能逆变器 [J]. 电子学报 , 2018 , 46 ( 12 ): 3068 ‑ 3072 .

WANG Qiang , YUE Yuanshao , WANG Tianshi , et al . A single-phase full-bridge three-level energy-saving inverter [J]. Acta Electronica Sinica , 2018 , 46 ( 12 ): 3068 ‑ 3072 . (in Chinese)

WANG Chien-Ming , SU Ching-Hung , JIANG Maoh-Chin , et al . A ZVS-PWM single-phase inverter using a simple ZVS-PWM commutation cell [J]. IEEE Transactions on Industrial Electronics , 2008 , 55 ( 2 ): 758 ‑ 766 ．

寇宝泉 , 张海林 , 张赫 , 等 . 改进型零电压转换PWM软开关功率变换器的实现机理分析 [J]. 电工技术学报 , 2017 , 32 ( 14 ): 116 ‑ 126 .

KOU Baoquan , ZHANG Hailin , ZHANG He , et al . The analysis of a novel zero-voltage-transition PWM soft-switching power converter [J]． Transactions of China Electrotechnical Society ， 2017 , 32 ( 14 ): 116 ‑ 126 . (in Chinese)

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