垂直轴永磁直驱风力发电系统MPPT仿真研究

Simulation Study Based on MPPT for the Vertical Axis Direct Drive Permanent Magnet Wind Generation System

选取分布式中小功率垂直轴风力发电机为应用对象,详细阐述了风力机模型、永磁同步发电机(PMSG)模型、空间矢量脉宽调制(SVPWM)技术以及基于最佳叶尖速比(TSR)的最大功率跟踪控制(MPPT)原理,给出了基于Matlab/Simulink仿真的垂直轴永磁直驱风力发电系统模型。通过对在稳定风速和动态风速下的仿真结果分析,验证了搭建的风力发电系统能很好的完成最佳转速的调节,实现最大风能捕获,为垂直轴风力发电系统MPPT控制算法的进一步研究构建基础性的平台。

The vertical axis wind turbine based on small and medium-sized power is distributed as the application object, and it expounds on the wind turbine model, the permanent magnet synchronous generators （PMSG ）model and space vector pulse width modulation（ SVPWM ）technology and the maximum power tracking（ MPPT）control principle based on the best tip speed ratio （ TSR ）control, and a permanent magnet direct-drive vertical axis wind power system based on Matlab/Simulink is given. Based on the simulation results analysis under the stable wind speed and the dynamic wind speed, it could verify the building wind power generation system and can complete the best speed regulating, good realization of maximum wind energy capture, builds a basic platform for the fitrther study of permanent magnet MPPT control method of direct drive wind power generation system of vertical shaft.