高频串联逆变器谐振极电容缓冲电路的研究  

Research of Resonant Pole Capacitor Snubber Circuit in High-frequency Series Inverter

作　　者：孔令枝[1] 王华民[1] 刘庆丰[1] 沈刚[1] 

机构地区：[1]西安理工大学信控系,陕西西安710048

出　　处：《电源技术应用》2003年第12期28-32,共5页Power Supply Technologles and Applications

基　　金：陕西省科技研究发展计划项目(2001 K06-G4)

摘　　要：探讨了一种适合 MHz 级高频逆变器的无损谐振极电容缓冲器。详细分析了逆变器的换流过程,研究了不同谐振极电容值对器件关断损耗和总体损耗的影响,给出了设计方法。仿真和实验波形证明了理论分析的正确性。A lossless resonant pole capacitor snubber circuit suited for high-frequency inverter is discussed,and the commu- tation processes of the inverter is analyzed in detail.A study for the influences of different resonant pole capacitors on turn-off losses and total losses is presented,and the design method is given.Results of simulation and experiment verify the validity of theoretic analysis.

关 键 词：高频串联逆变器 电容缓冲电路 换流过程 无损谐振极 关断损耗 

分 类 号：TM464[电气工程—电器]