The voltage and frequency fluctuating would be brought by the randomicity of wind speed and wind direction.How to minish so as to eliminate the fluctuation is an important research task.

• 风速、风向的随机波动性会使风力发电机组的输出电压、频率产生波动,如何减小以致消除这一波动是现代大型风力发电技术的一个重要研究课题。