Consider an 82-m (diameter), 1.65 MW wind turbine with a rated windspeed of 13 m/s. A.) At what RPM does the rotor turn when it operates with a TSR of 4.8 in 13 m/s winds? B.) What is the tip speed of the rotor in those winds (m/s and mph)? C.) What gear ratio is needed to match the rotor speed to an 1800 rpm generator when the wind is blowing at the rated windspeed? D.) What is the efficiency of the complete wind turbine (blades, gearbox, generator) in 13 m/s winds?
Consider an 82-m (diameter), 1.65 MW wind turbine with a rated windspeed of 13 m/s. A.) At what RPM does the rotor turn when it operates with a TSR of 4.8 in 13 m/s winds? B.) What is the tip speed of the rotor in those winds (m/s and mph)? C.) What gear ratio is needed to match the rotor speed to an 1800 rpm generator when the wind is blowing at the rated windspeed? D.) What is the efficiency of the complete wind turbine (blades, gearbox, generator) in 13 m/s winds?
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter11: Transient Stability
Section: Chapter Questions
Problem 11.3P
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Consider an 82-m (diameter), 1.65 MW wind turbine with a rated windspeed of 13 m/s.
A.) At what RPM does the rotor turn when it operates with a TSR of 4.8 in 13 m/s winds?
B.) What is the tip speed of the rotor in those winds (m/s and mph)?
C.) What gear ratio is needed to match the rotor speed to an 1800 rpm generator when the wind is blowing at the rated windspeed?
D.) What is the efficiency of the complete wind turbine (blades, gearbox, generator) in 13 m/s winds?
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