中文摘要：

此处采用一种基于二维调制的快速平衡控制方式，其控制结构简单，响应速度得到大幅提高。针对基于a-调制曲线的直流母线电压平衡控制方式所存在的问题进行改进，提出了采用两条调制曲线配合使用的快速平衡控制方式。搭建了基于Matlab／Simulink的仿真模型和基于RT-lab的半实物实时仿真实验平台，通过仿真和实验验证了所提出控制策略的有效性与优越性。

英文摘要：

A new method of balancing DC bus voltage based on two-dimensional modulation is adopted.The new con-trol structure is simple, and the response speed is greatly improved.A new quick balance control method based on twomodulation curves is presented to improve the DC bus voltage balance control method based on am modulation curve.A simulation model based on Matlab/Simulink and a semi-physical real-time simulation experiment platform based onRT-lab is built up.The validity and superiority of the proposed control strategy are verified by the simulation resultsand the experimental results.