基于滑模控制的风机最大风能追踪

为了最大限度地利用风能,提高风力发电系统的效率,提出了一种基于滑模控制的最大风能追踪方法.建立了风机控制系统,并且基于滑模控制原理建立了滑动平面,设计了滑模控制率,并进行了稳定性分析.利用Matlab/Simulink对系统进行仿真研究表明,实际电磁转矩能较快地跟踪期望值,验证了该控制策略的正确性和有效性.所建立的滑模控制系统不依赖于风速,具有较好的鲁棒性和控制精度,实现了最大风能追踪.

Maximum power point tracking of wind turbine based on sliding mode control

In order to make maximal use of wind power and improve the efficiency of wind power generation system, a maximum power point tracking method based on sliding mode control was proposed. The control system of wind turbine was established, and the sliding plane was established based on the sliding mode control principle. In addition, the sliding mode control rate was designed, and the stability was analyzed. The simulation studies for the control system were carried out with the Matlab/Simulink. The simulated results show that the actual electromagnetic torque can quickly track the desired electromagnetic torque value, and the correctness and validity of the proposed control strategy are verified. The sliding mode control is independent on the wind speed, has good robustness and high control precision, and can achieve the maximum wind power point tracking.