中速永磁风电机组控制系统滤波器研究及应用

Study and application of filters for control system of medium-speed permanent magnet wind turbine

针对2 MW中速永磁机组控制系统开发项目,进行适用于该新型技术路线的风电机组控制系统滤波器的仿真设计与应用研究。文章介绍了中速永磁风电机组控制原理,揭示了滤波器在整个控制系统中的重要作用;基于MATLAB平台的m语言,通过滤波器的仿真设计与验证,研究滤波器频域参数对滤波器性能的影响,实现了时域参数与频域参数的相互转换;设计出适合中速永磁机组控制系统使用的滤波器,以配合控制系统的稳定运行。该研究为采用中速永磁技术路线的风电机组控制系统滤波器设计及应用提供了参考。

According to the project of the 2 MW medium-speed permanent-magnet wind turbine control system,simulation design and application research of wind turbine control system filter suitable for this new technical route are carried out.In this work,the control principle of this medium-speed permanent magnet wind turbine is introduced and the important role of the filter in the whole control system is revealed.The effect of filter frequency domain parameters on filter performance is studied through the filter simulation design and verification based on the m-language of the MATLAB platform,and mutual conversion between time-domain parameters and frequency-domain parameters is achieved.Moreover,a filter suitable for the medium-speed permanent magnet wind turbine is designed to match the stable operation of the control system.This study provides a reference for the research and application on filters of the medium-speed permanent magnet technology.