单周期控制的双向半桥AC-DC变换器  

One Cycle Controlled Bidirectional Half-bridge AC-DC Converter

作　　者：唐智 夏泽中[1] 黄刚 苏洪扬 TANG Zhi;XIA Zezhong;HUANG Gang;SU Hongyang(Automation College,Wuhan University of Technology,Wuhan 430070,Hubei,China;CYG SUNRI Co.,Ltd.,Shenzhen 518057,Guangdong,China;State Grid Enshi Power Company,Enshi 445000,Hubei,China)

机构地区：[1]武汉理工大学自动化学院,湖北武汉430070 [2]长园深瑞继保自动化有限公司,广东深圳518057 [3]国网恩施供电公司,湖北恩施445000

出　　处：《电气传动》2017年第10期29-32,共4页Electric Drive

摘　　要：提出了一种改进型单周期控制的双向半桥AC-DC变换器。与普通单周期控制的变换器不能工作在逆变模式相比,所提出的变换器能稳定工作在整流模式和逆变模式,实现了能量的双向流动,并具有高功率因数的特点。介绍和分析了改进型单周期控制的半桥AC-DC变换器的工作原理,分析其稳定性条件和桥臂电容电压的平衡问题。仿真和实验结果验证了理论分析的正确性。A modified one cycle control(OCC)based bidirectional half-bridge AC-DC converter was proposed.Compared to the conventional OCC based converter which fails to operate in inverting mode,the proposed convertercould operate stably in both rectification and inverting mode,thus bidirectional power flow with high power factor wasrealized,operation principles of the proposed half-bridge AC-DC converter were presented and analyzed,and thestability criterion along with the voltage balance of the bridge capacitors was derived.Simulation performance and theexperimental results show agreement with theoretical analysis.

关 键 词：单周期控制 双向变换器 半桥AC-DC变换器 高功率因数 

分 类 号：TM46[电气工程—电器]