全桥逆变器双Buck型调制的研究  

Research on Dual Buck Modulation of Full-bridge Inverter

作　　者：李庆振[1] 吴卫民[1] 卢兴军[1] 

机构地区：[1]上海海事大学,上海201306

出　　处：《电力电子技术》2012年第8期58-59,共2页Power Electronics

摘　　要：提出了对全桥逆变器进行双Buck型调制的方法。该调制模式不增加拓扑结构复杂程度,保留了双降压半桥逆变器(DBHBI)无桥臂直通的优点,克服了直流电压利用率低等缺点。采用电流瞬时值反馈SPWM控制策略,给出了该双Buck型调制工作的原理,分析了其实现方法,通过仿真和实验验证了系统的正确性。Dual Buck modulation method of full-bridge inverter is introduced.The modulation pattern does not increase the complexity of the topological structure.This inverter is derived from the dual Buck half-bridge inverter （DBHBI） which has the characteristic of no shoot-through problem as remained and overcomes the disadvantages such as the direct current voltage utilization rate is low.The current instantaneous feedback SPWM control strategy is adopted.The working procedure is given, the theoretical method is analyzed and the system correctness is verified by the simulation and experimental results.

关 键 词：逆变器 双Buck型调制 电流瞬时值反馈 

分 类 号：TM464[电气工程—电器]