As a part of a wind power system, the adjustable blade pitch wind turbine is the wind energy conversion facility, whose matching with wind energy of the wind farm has great influence upon the operating of the system. 变桨距风力机作为风能转换为机械能的设备,是风力发电系统的重要组成部分,它与风电场风能资源的匹配问题直接影响到了风力发电系统的运行特性。