摘要
本文研究对象为永磁直驱风力发电机,提出直驱风力发电机通用模型。该通用模型包含通用风力机模型、同步发电机模型和直驱风力机传动模型。模型中风力发电机采用变桨距技术,通过改变叶尖速比实现在不同的风速下实现最大风速追踪,实现风能利用最大化。基于Matlab/Simulink平台建立模型,当输入为变化风速信号时,分析模型输出结果,发现结果符合风力发电机特性。由于在研究风力发电中,风力发电机模型必不可少,文中所建立的风力发电机模型简单可靠具有较强的通用性,具有较强实用性。
Choosing permanent magnet directly driven wind turbines for the studying. Acomplete model of PMSG has been built,which includes windturbine model,drive train model and generator model as well. Inaccordance with the variation of wind speed,strategies for pitchangle control and rotational speed control are developed. By pitch angle control and the grid-side converter control to achieve maximum wind speed at different Winds to maximize wind energy utilization. Simulation for the case of wind speed steppingchange by Matlab / Simulink verifies the validity of the model and the feasibility of thecontrol strategies. Due to research of wind power,wind generator model is essential. Wind turbine model which is established in this paper is simple and reliable.
出处
《电气开关》
2016年第3期88-92,96,共6页
Electric Switchgear
关键词
风力发电机
模型
最大风速追踪
通用模型
wind-driven generator
model
max.wind speed trailing
general model
