Mon Prof Augmenté
Inside a wind turbine
Age 12 · Technology
The wind pushes the blades and turns a shaft inside the machine housing. A generator changes that spinning into electric current.
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In the picture
- Turbine blades: moving air pushes them and the hub spins
- Gearbox: speeds up the slow turning of the shaft
- Generator: turns the spinning shaft into electric current
- Cables: carry the current down the tower to the house
Examples
- A bicycle dynamo that lights a lamp when the wheel spins
- A hand-cranked torch that lights up as you turn the handle
Key takeaways
- Moving air can set a shaft spinning
- A generator changes spinning motion into electric current
Quiz: Inside a wind turbine (Age 12)
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What makes the turbine blades turn?
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What does the generator do?
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What is the gearbox for?
The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.
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