摘要
阐述了应用于特殊场合——多绕组单相交流供电系统的级联H桥五电平变换器的电路结构及控制方法,分析了变换器的工作原理,给出了系统的仿真结果。仿真表明该级联H桥五电平变换器运行的可靠性和控制的简易性。系统运行工况稳定,在多绕组单相供电的高压、大功率场合有良好的应用前景。
This paper describes the main circuit and control method of cascaded H-bridge five-level converter used in single phase and multi-winding power supply system.The operation principle of the converter is analysed in detail and the simulation result is proposed.According to the analysis,the feasibility,reliability and convenience of the cascaded converter are proved.The system operational states well,which is of perfect prospect in high voltage and high-power situation.
出处
《电气自动化》
2011年第1期29-30,34,共3页
Electrical Automation
关键词
级联H桥
五电平变换器
单相PWM整流器
cascaded H-bridge five-level converter single phase PWM rectifier