Wind Turbine Equations

Angular hub speed is given as,

Turbine Power (in MW) is,

MOD 2 Equations

Tip Speed Ratio is,

Coefficient of Power is,

Tip Speed Ratio is,

Coefficient of Power is,

Where,

	Rotational speed of the machine [rad/s]
	Gearbox ratio
	Angular hub speed [rad/s]
	Wind speed [m/s]
	Air density [kg/m3]
	Rotor area [m2]
	Gearbox efficiency [pu]
	Pitch angle [deg]
	Rotor radius [m]

See PSCAD References [18] and [19].