摘要
分析了三电平中性点钳位牵引逆变器的结构及其工作原理。论述了三电平牵引逆变器的SVPWM控制原理,并详细地推导了其算法。在MATLAB/Simulink环境下建立了基于SVPWM控制的三电平牵引逆变器仿真模型,仿真结果表明所建仿真模型的正确性和可行性。
The structure and operation principle of three-level neutral point clamped(NPC) traction inverter is analyzed in this paper. The control principle and algorithm realization of SVPWM for three-level inverter is described and the SVPWM algorithm is derived in detail. The simulation model of three-level traction inverter controlled by SVPWM is established in MATLAB/Simulink, simulation results show that the accuracy and feasibility of this established simulation model.
出处
《自动化与仪器仪表》
2014年第4期11-13,17,共4页
Automation & Instrumentation
关键词
三电平中性点钳位牵引逆变器
电压空间矢量脉宽调制
仿真
Three-level neutral point clamped traction inverter
Space vector pulse-width modulation(SVPWM)
Simulation