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a Calculate thc amount of wind energy at 15°C and 1 atm prcssurc that passes through 1 m? of cross- sectional area for the following wind regimes: Regime 1: 100 h of 6 m/s winds Regime 2: 50 h at 3 m/s plus 50 h at 9 m/s What is the ratio of Regime 1/Regime 2 in % ? a) 57.14% b) 59.26% c) 100% d) 67.23% e) 47.45% b. Identify the "TRUE" statement: a) A smaller generator and faster rotor speed are more effective in higher wind speeds. b) Power curve is proportional to the square of wind speed c) Torque versus turbine speed trajectory follows a cube law. d) In the design/selection of a wind turbine system, keeping the same rotor but increasing the generator size allows the power curve to continue downward to the new rated power. e) Using brushless synchronous generators in wind turbine can be expensive since power electronics rating equals to output power rating. f) Off-shore wind farm applications, the clusters of turbines are usually positioned in irregular row and column structure.

a Calculate thc amount of wind energy at 15°C and 1 atm prcssurc that passes through 1 m? of cross- sectional area for the following wind regimes: Regime 1: 100 h of 6 m/s winds Regime 2: 50 h at 3 m/s plus 50 h at 9 m/s What is the ratio of Regime 1/Regime 2 in % ? a) 57.14% b) 59.26% c) 100% d) 67.23% e) 47.45% b. Identify the "TRUE" statement: a) A smaller generator and faster rotor speed are more effective in higher wind speeds. b) Power curve is proportional to the square of wind speed c) Torque versus turbine speed trajectory follows a cube law. d) In the design/selection of a wind turbine system, keeping the same rotor but increasing the generator size allows the power curve to continue downward to the new rated power. e) Using brushless synchronous generators in wind turbine can be expensive since power electronics rating equals to output power rating. f) Off-shore wind farm applications, the clusters of turbines are usually positioned in irregular row and column structure.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Solve both question.... It's objective type questions so as per bartlybe's guidelines you need solve both question.
a Calculate thc amount of wind energy at 15°C and 1 atm pressure that passes through 1 m? of cross- sectional area for the following wind regimes: Regime 1: 100 h of 6 m/s winds Regime 2: 50 h at 3 m/s plus 50 h at 9 m/s What is the ratio of Regime 1/Regime 2 in % ? а) 57.14% b) 59.26% c) 100% d) 67.23% e) 47.45% O.Identify the “TRUE" statement: a) A smaller generator and faster rotor speed are more effective in higher wind speeds. b) Power curve is proportional to the square of wind speed c) Torque versus turbine speed trajectory follows a cube law. d) In the design/selection of a wind turbine system, keeping the same rotor but increasing the generator size allows the power curve to continue downward to the new rated power. e) Using brushless synchronous generators in wind turbine can be expensive since power electronics rating equals to output power rating. f) Off-shore wind farm applications, the clusters of turbines are usually positioned in irregular row and column structure.
Transcribed Image Text:a Calculate thc amount of wind energy at 15°C and 1 atm pressure that passes through 1 m? of cross- sectional area for the following wind regimes: Regime 1: 100 h of 6 m/s winds Regime 2: 50 h at 3 m/s plus 50 h at 9 m/s What is the ratio of Regime 1/Regime 2 in % ? а) 57.14% b) 59.26% c) 100% d) 67.23% e) 47.45% O.Identify the “TRUE" statement: a) A smaller generator and faster rotor speed are more effective in higher wind speeds. b) Power curve is proportional to the square of wind speed c) Torque versus turbine speed trajectory follows a cube law. d) In the design/selection of a wind turbine system, keeping the same rotor but increasing the generator size allows the power curve to continue downward to the new rated power. e) Using brushless synchronous generators in wind turbine can be expensive since power electronics rating equals to output power rating. f) Off-shore wind farm applications, the clusters of turbines are usually positioned in irregular row and column structure.
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