本文首先介绍了三电平逆变器的工作原理，以及空间电压矢量控制技术的基本原理。 其次，详细分析了传统三电平SVPWM算法，对每个主要模块都提出两种MATLAB仿真方法，归纳总结仿真技巧。-This paper firstly introduces the working principle of three-level inverter, and the basic principle of space voltage vector control technology. Second, traditional three-level SVPWM algorithm is analyzed in detail, for each main module proposed two MATLAB simulation method, sum up the simulation technique.