单极性移相控制双向电压源高频环节逆变器  

Uni-polarity Phase Shifting Controlled Bi-directional Voltage Mode Inverters with High Frequency Link

作　　者：宋海峰[1] 陈道炼[1] 

机构地区：[1]南京航空航天大学,江苏南京210016

出　　处：《电力电子技术》2006年第4期86-88,95,共4页Power Electronics

基　　金：航空基础科学基金资助项目(99F52045)~~

摘　　要：分析研究了双向电压源高频环节逆变器电路拓扑、单极性移相控制策略、高频变压器绕组端电压波形,以及一个开关周期内的开关过程等关键问题;获得了共同导通时间、单极性SPWM波占空比、周波变换器换流重叠时间、高频变压器匝比、滤波电感电流、输出滤波电感和输出滤波电容等关键电路参数的设计准则。原理试验结果表明,这类逆变器具有电路拓扑简洁,两级功率变换(DC/HFAC/LFAC),双向功率流,周波变换器实现了ZVS换流,以及单极性SPWM波等优点。The circuit topologies,uni-polarity phase shifting control strategy,winding voltage of the high frequency transformer,switching process within one switching period of the hi-directional voltage mode Inverters with high frequency link are investigated.The design criterion of key circuit parameters such as common conduction time,uni-polarity SPWM waveform＇s duty cycle,commutation overlap time of the cycloconverter,turns ratio of the high frequency transformer,filtering inductance current,output filtering inductance and output filtering capacitance etc are given.The principle test results demonstrated that this kind of inverter has the advantages such as simple topology,two-stage power conversion （DCJHFAC/ LFAC）, hi-directional power flow, ZVS commutation of cycloconverter, uni-polarity SPWM waveform etc.

关 键 词：逆变器 控制 变换器 开关/软开关 

分 类 号：TM464[电气工程—电器]