高频脉冲直流环节逆变器的控制策略研究  

Control Strategy Research of High Frequency Pulse DC Link Inverter

作　　者：谢在凤[1] 

机构地区：[1]威海职业学院,威海260200

出　　处：《现代制造技术与装备》2011年第5期20-20,26,共2页Modern Manufacturing Technology and Equipment

摘　　要：高频脉冲直流环节逆变器电路结构,由高频逆变器、高频变压器、高频整流器、无功吸收支路、三态DPM逆变器,以及输入、输出滤波器构成,具有单相功率流、准三级功:率变换、功率开关实现ZVS、变换效率高、输出容量大、输出纹波电压小等优点。高频脉冲直流环节逆变器前后级各自构成控制回路。前者采用电压型PWM控制技术,后者采用三态DPM电流滞环跟踪控制技术。尽可能使前后置级工作在单极性调制方式。Inverter circuit structure of high-frequency pulse dc link consists of high frequency inverter,the high frequency transformers,high frequency rectifier,reactive absorption branch,three states DPM inverter,and input,output filter.It has the virtue of Single-phase power flow,accurate third class power transformation,power switch realization ZVS,high commutation efficiency,great output capacity,small output ripple voltage and so on.Inverter front and back class of high-frequency pulse dc link each form control loop.The former uses voltage type PWM control technology,the latter adopts current hysteresis tracking control technology.It ensures that front and back class can work on the monopole concoct mode as much as possible.

关 键 词：高频脉冲直流环节 三态DPM电流滞环跟踪控制 逆变器控制 逆变桥调制 

分 类 号：TM464[电气工程—电器]