Question 32 What are the correct ways to stop a turbine? 2 Yawing the Turbine Yo

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Question 32 What are the correct ways to stop a turbine? 2 Yawing the Turbine You Cant stop them, they blow up like the one in the video from class Braking Pitching the Blades to stop lift Question 33 A direct-drive turbine reaches maximum TSR of 8.1 The generator is rotating at Pl rpms. (rounded to the nearest whole number) when the wind speed is just 7 m/s and each blade is 67 meters in length Question 34 What is the greatest limit that can be extracted from the wind by today's technologies and why is it a limit? 59%; cause the blades are not capable of rotating that fast. O 48%; Cause the blades are not capable of rotating that fast 048%, that's the best wecan dor ight now ve and Submit all answers.

Explanation / Answer

32

The blade angle adjustment and the rotation of turbine is known as the pitch and yaw control. The pitch control is used to maintain optimum blade angle to achieve particular rotar speed or power output. Yaw refers the rotation of entire wind turbine in the horizontal axis.

Hence the 1 st and 4 th are correct options

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