Which component in the wind power generating station ensures that the wind turbine faces the wind direction for maximum efficiency?
Yaw mechanism
A horizontal-axis wind turbine converts the most kinetic energy into shaft power only when its rotor plane is held perpendicular to the incoming wind, so the blades sweep the fullest possible airflow.
Because wind direction shifts constantly, the nacelle at the top of the tower must be turned to keep the rotor pointing into the wind; this orientation control is the job of the yaw mechanism.
The yaw mechanism uses a large bearing and yaw motors (guided by a wind-direction sensor or vane) to rotate the whole nacelle about the vertical tower axis until the rotor faces the wind, then locks it there.
The tower is purely a structural element that raises the rotor into stronger, less turbulent wind; it does not steer anything.
The brake system clamps the rotor to stop or slow it for safety or maintenance, and the gearbox steps up the slow rotor speed to the high speed the generator needs.
None of those three changes the direction the turbine faces, so only the yaw mechanism performs the alignment described.
Hence, the answer is the Yaw mechanism.
Similar Questions
Which of the following scenarios demonstrates a real-life consequence of ignoring longitude effects in solar power plant design?
Choose the correct sequence of steps needed when calculating the inclination angle for a solar power plant installation.
Which component in a solar DC domestic system prevents overcharging of the battery?
Which parameter must be regulated by a charge controller to prevent battery
overcharging in a solar plant?What will be the impact on solar panel performance if a high-latitude installation uses the same tilt angle as an equatorial installation?
Important Questions from Generation of Electrical Energy
Which of the following is an example for non-conventional energy resource?
The principle of solar power is based on:
Primary transmission is done by a ______ system.
Which of the following scenarios demonstrates a real-life consequence of ignoring longitude effects in solar power plant design?
Choose the correct sequence of steps needed when calculating the inclination angle for a solar power plant installation.
