【正文】
power of the wind power generation system, but also directly affecting the safety of the crew and stable operation,which is one of the key ponents in the wind power generation system. ? According to the aerodynamics, the input power of the wind turbine: :air density :airflow through the crosssectional area of the wind wheel in unit time :wind Speed Tip speed ratio: ω: blade rotation angular speed The research of fixedpitch wind turbine ? Mechanical power output of the wind turbine: R: blade radius Cp: Wind energy utilization factor Fixedpitch wind turbine Cp(λ) curve: ???) 3 1()( eCp ??The research of fixedpitch wind turbine A particular fixed pitch wind turbine has a unique optimaltip speed ratio that can get the maximum value of wind energy utilization factor. Fixed pitch variable speed wind power speed curve opt? : optimal tip speed ratio Cpmax : maximum value of wind energy utilization factor PvCpP m a xm a x ?The research of fixedpitch wind turbine ? Simulation model of fixedpitch wind turbine Vector control strategies based on statorflux orientation ? Excitation stator flux o