无刷双馈风力发电机组的模糊自适应控制

针对变桨距并网型风力发电机组的最大功率跟踪及改善电能质量问题，采用新型无刷双馈电机构成风力发电机组．基于DSP控制的电力电子装置来改变无刷双馈电机控制绕组电流的频率、幅值、相位，设计了模糊控制器，使得额定风速以下时，根据风速变化，控制电机转速获得最佳叶尖速比，实现最大功率跟踪和变速恒频;额定风速及以上时，控制风轮的桨距角及风力机转速，调节叶尖速比，实现风力发电机组的恒功率输出及频率恒定。仿真结果表明，比传统PID控制器能更有效地减少振荡，较快地达到稳态，提高了风能转换系统的效率和质量。

Fuzzy adaptive control of novel brushless doubly-fed wind turbine

Novel brushless doubly-fed wind generator was used to solve tow key problems of maximum-power tracking and power quality control. The frequency, amplitude, phase angle as well as phase sequence of brushless doubly-fed generator were regulated by power converter based on DSP control. A sort of fuzzy controller was designed to gain maximum-power tracking and variable speed constant frequency by controlling generator speed to gain optimum tip-speed-ratio as low wind speed. Another kind of fuzzy adaptive controller was designed to gain constant out power and frequency by controlling the pitch angle and wind turbine rotation speed to adjust tip-speed-ratio as higher than normal wind speed. The simulation results showed that compared with tradition PID controller, the fuzzy controller can reduce surge more effectively, reach static faster, and improve the efficiency and quality of wind energy conversion system.