【摘要】 介绍了风力机的数学模型,分析了风力机运行特性及最大跟踪原理,并在研究异步电动机的直接转矩控制的基础上通过Matlab/Simulink实现风力机模拟系统。该模拟装置是依据风速和转速的变化得出异步电机的电磁转矩指令从而来控制电机,并给出模拟风力机最大功率跟踪的仿真结果,验证该模拟系统的可行性和有效性。更多还原

【Abstract】 This paper introduces the mathematics model of wind turbine and analyses the running performance of it and the maximum tracking principle of wind energy.A wind turbine simulation system is built on a study basis of direct torque control of induction motor and by the use of Matlab/Simulink.The simulator controls electromagnetic torque of the induction motor according to the changes between wind speed and running speed,thus controlling the motor.Wind turbine’s simulation result of maximum power point tracking is given in this paper,which shows that this simulation system is feasible and efficient.更多还原