[L1]_INTRODUCTION TO WIND ENERGY

Question 1

ENGY-688

What year did wind turbine power generation first come to New York State?

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Answer 1

The year 2000.

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Question 2

ENGY-688

Which national code applies to wind electric systems in the U.S.?

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Answer 2

NEC Article 705

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Question 3

ENGY-688

What is the main environmental benefit of wind turbines?

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Answer 3

They produce zero operational emissions.

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Question 4

ENGY-688

How long is the expected timeline for a wind turbine project’s life cycle?

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Answer 4

25 years

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Question 5

ENGY-688

What is the Betz Limit?

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Answer 5

The maximum power that can be extracted from a wind turbine.

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Question 6

ENGY-688

Fill in the blank: The Levelized Cost of Electricity (LCOE) represents the average revenue per unit of electricity needed to …

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Answer 6

…recover the costs of building and operating a generating plant.

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Question 7

ENGY-688

True or False: Onshore wind installations are more expensive per kilowatt than offshore installations.

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Answer 7

False.

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Question 8

ENGY-688

What is the role of the IEC 61400 standard?

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Answer 8

To standardize the design of wind turbine systems.

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Question 9

ENGY-688

What is the typical drawback of wind turbine systems for nearby residents?

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Answer 9

Noise Pollution.

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Question 10

ENGY-688

What is the equation used to calculate the power output of a wind turbine?

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Answer 10

P = n* ½pA*v^3

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Question 11

ENGY-688

What are the two primary factors used to evaluate the economic feasibility of a wind energy project?

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Answer 11

Cost and power output

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Question 12

ENGY-688

Fill in the blank: The Betz Limit, which defines the maximum possible power extraction from a wind turbine, is ____%.

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Answer 12

59.3%

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Question 13

ENGY-688

Name one (1) significant environmental impact that must be assessed when planning a wind energy project near airports.

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Answer 13

Electromagnetic Interference

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Question 14

ENGY-688

What is the formula to calculate the Capital Recovery Factor (CRF) used in determining the Levelized Cost of Electricity (LCOE)?

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Answer 14

CRF = (i(1 + i)^n)/([(1 + i)^n]-1)

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Question 15

ENGY-688

According to the advantages of wind turbine systems, why is wind energy considered one of the cheapest renewable energy sources to install?

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Answer 15

Wind farms can be installed on existing land without interrupting other uses.

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