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

simulation engine, three-phase asynchronous squirrel-cage rotor in the coordinate space alpha-beta using the blocks in matlab / simulink

direct torque control asynchronous motors, three-phase squirrel cage rotor inverter using matrix and the block in matlab / siulink

In this paper three different methods such as GDM AGDM and modified PSO are adopted to optimize the neural networks, and simulate the DTC system with MATLAB/SIMULINK. The result shows: modified PSO algorithm can solve the problem of neural n