中文摘要：

对三电平二极管中点箝位式变流器在风力发电中的应用进行了详细研究,旨在分析该拓扑在风电具体应用中的系统构成、主电路结构、算法实现等关键性问题。完成了中压风电变流器实验平台的设计,并基于DSP＋FPGA主从处理器控制平台对关键性算法进行了验证。分析比较了不同调制算法对变流器输出的影响。

英文摘要：

The neutral point clamped three-level converter for wind turbines was described in detail, aiming at analyzing the topology of the specific applications in the wind power system, the main circuit structure, algorithms and other key issues. The wind power converter platform was completed for test, and master-slave processor DSP-FPGA-based control platform for the key algorithm was verified. The effect of different modulation algorithm on the output of the converter was compared finally.