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what should be the minimum speed of air to generate electricity by a wind energy farm

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Wind Turbines

Wind turbines: requirements and how they work

Wind Power

How Does it Work?

Main components of a

wind turbine

Since wind speed increases with elevation above ground, wind turbines are installed on towers that are often as tall as a 20-storey building.

Wind power is generated by the force wind exerts on the blades of a turbine, causing the turbine's shaft to rotate at a speed of 10 to 20 revolutions per minute (rpm). The rotor shaft is connected to a generator that converts mechanical energy into electrical energy.

The amount of energy generated by a wind turbine depends on:

wind speed (main factor)

the area swept by the blades

air density

Wind turbines require:

a minimum wind speed (generally 12-14 km/h) to begin turning and generate electricity

strong winds (50-60 km/h) to generate at full capacity

winds of less than 90 km/h; beyond that speed, the turbines must be stopped to avoid damage

स्रोत : www.hydroquebec.com

The minimum speed of wind necessary for the satisfactory working of a wind generator to produce electricity is about:

Click here👆to get an answer to your question ✍️ The minimum speed of wind necessary for the satisfactory working of a wind generator to produce electricity is about:

Question

A

B

C

D

50 km/h

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Updated on : 2022-09-05

Solution Verified by Toppr

Correct option is A)

Speed of the wind is an important element in rotating the turbines in the wind mills for the generation of electricity. Wind mills cannot be set up everywhere, it can be only set up in highly windy areas or with the minimum wind speed of 15 km/hr.

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स्रोत : www.toppr.com

[Solved] Minimum wind speed required for generating electricity in a

The correct answer is 'option 3' Concept: Wind power is generated by the force wind exerts on the blades of a turbine, causing the turbine's shaft

Home Power Systems Generating Stations

Minimum wind speed required for generating electricity in a wind mill is

This question was previously asked in

UKPSC JE Electrical 2013 Official Paper II (Held on 7 Nov 2015)

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15 m/hour 1 km/hour 15 km/hour None of the above

Option 3 : 15 km/hour

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Detailed Solution

The correct answer is 'option 3'

Concept:

Wind power is generated by the force wind exerts on the blades of a turbine, causing the turbine's shaft to rotate at a speed of 10 to 20 revolutions per minute (rpm).

The rotor shaft is connected to a generator that converts mechanical energy into electrical energy.

The amount of energy generated by a wind turbine depends on:

​​Wind speed (main factor)

The area swept by the blades

Air density

Wind turbines require:

A minimum wind speed (generally 12-14 km/h) to begin turning and generate electricity

Strong winds (50-60 km/h) to generate at full capacity

Winds of less than 90 km/h; beyond that speed, the turbines must be stopped to avoid damage

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Last updated on Sep 26, 2022

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Mohammed 2 month ago

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