[L5]_WIND RESOURCE ASSESSMENT Flashcards
ENGY-688
(True/False): Wind Resource Assessments (WRA) are primarily used after wind turbine installations to monitor performance.
[L5]
False. WRA is conducted before installations to estimate wind potential and mitigate risks.
[L5]
ENGY-688
What is the primary goal of conducting a Wind Resource Assessment?
A. Minimize turbine maintenance costs
B. Estimate wind power potential at a site
C. Predict global weather patterns
D. Measure turbine blade efficiency
[L5]
B. Estimate wind power potential at a site
[L5]
ENGY-688
Match the offshore wind types to their characteristics:
A. Fixed-bottom turbines
B. Floating turbines
- Limited to shallow waters
- Suitable for deep-sea locations
[L5]
A: 1
B: 2
[L5]
ENGY-688
(True/False): The technical potential of offshore wind energy in the U.S. is more than twice the nation’s electric energy demand.
[L5]
True
[L5]
ENGY-688
What factor is NOT typically considered in a wind resource assessment?
A. Wind speed data
B. Soil fertility
C. Turbine layout
D. Terrain elevation
[L5]
B. Soil fertility
[L5]
ENGY-688
(True/False): Linear wind models are sufficient for estimating Annual Energy Production (AEP) at all scales.
[L5]
False. Computational Fluid Dynamics (CFD) models are more accurate for detailed AEP estimation.
[L5]
ENGY-688
Match the prospecting factors to their significance:
A. Transmission access
B. Site constructability
C. Wind speed
- Requires moderate slopes and road access
- Must be greater than 6 m/s at hub height
- Should be within 20 km of a 115 kV line
[L5]
A: 3
B: 1
C: 2
[L5]
ENGY-688
(True/False): Private farmland is a preferred location for wind farms due to minimal land-use conflicts.
[L5]
True
[L5]
ENGY-688
Which instrument is least likely to be used in a wind measurement campaign?
A. Cup anemometers
B. Temperature sensors
C. Ground-penetrating radar
D. Direction vanes
[L5]
C. Ground-penetrating radar
[L5]
ENGY-688
(True/False): At least one year of wind data collection is recommended to capture seasonal variations accurately.
[L5]
True
[L5]
ENGY-688
(True/False): The WAsP wind atlas method assumes that past wind data is representative of the 20-year lifespan of wind turbines.
[L5]
True
[L5]
ENGY-688
What is a key assumption of the WAsP methodology?
A. Wind speeds increase linearly with elevation
B. Generalized wind climate remains consistent across sites
C. Wind speed distributions are random
D. Wind turbulence has no impact on turbine output
[L5]
B. Generalized wind climate remains consistent across sites
[L5]
ENGY-688
Match the topographic features to their effects on wind speed:
A. Elevated ridges
B. Turbulence zones behind ridges
- Cause local acceleration of wind
- Should be avoided for turbine siting
[L5]
A: 1
B: 2
[L5]
ENGY-688
(True/False): Wind turbines are best placed on ridges oriented perpendicular to prevailing wind direction.
[L5]
True
[L5]
ENGY-688
What is the wind shear exponent (α) primarily affected by?
A. Turbine blade length
B. Ground roughness and obstacles
C. Wind direction stability
D. Temperature gradients
[L5]
B. Ground roughness and obstacles
[L5]
