说明：  构建了一个包含风速模型、功率转换模型、传动链模型等三个部分的10MW变速直驱型风力发电机组的标么值的Matlab模型.传动链模型是基于二质量块——轴数学模型所构建的动态模型.通过标么值的转换及灵活的参数调整,该模型能较准确地模拟各种变速直驱型风力发电机组.仿真分析获取了最大功率跟踪特性曲线,并得到了风力发电机组的四个工作区.结果还能表明,电负荷电磁阻力矩能动态地调整电机转子转速,从而在低速风时能实现风能最大功率的追踪.同时,风涡轮的桨距角能控制高速风的利用率,使风涡轮机工作在额定功率下,有效地防止整个风力发电系统的机械和电负荷容量的过载冲击.作为原动力模型,该模型有助于进一步研究变速直驱风力发电系统的功率特性和并网发电控制技术.
(Matlab model constructed a unit value 10MW direct drive variable speed wind turbine model three-part wind power conversion model, models, etc. contained in the transmission chain drive chain model is based on two mass- Axis constructed mathematical models the dynamic model by converting the unit value and flexible parameter adjustment, the model can accurately simulate the various speed direct-drive wind turbine simulation analysis to obtain the maximum power tracking characteristic curve and get the wind turbines four workspaces results also show that the electrical load electromagnetic drag torque motor rotor speed can be adjusted dynamically, resulting in low speed wind when the wind can achieve maximum power tracking. Meanwhile, wind turbine pitch angle can be controlled using high-speed wind rate, so that the wind turbines operate at rated power, effectively preventing overloads mechanical and electrical load capacity of the entire wind power generation system and as the driving f)