Hydro-electricity
description
Transcript of Hydro-electricity
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Hydro-electricity
Sven, Maxim, Robbe, Siri, Julie and Eline
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Introduction video What? How much/many? Pro’s and contra’s Other ways in Norway? Other ways in Belgium? How we should save energy?
Hydro-electricity
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http://www.youtube.com/watch?v=rnPEtwQtmGQ
Introduction video
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Hydro-electricity is the most widely used form of renewable energy (16% of global electricity generation)
Based on 2 things:1. The difference in heigth2. The flow of water
What?
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Water Turbine Generator
What?
Electricity
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Hydro-electricity = 99% 200 power plants More than 800 small river plants
In Norway
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3 power plants 6 small river plants
In Sykkylven
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Power plant + Water plant = unique By going through the power plant, the water
loses his very strong pressure. So it can go through a water plant too. (otherwise the pressure would be to high)
In Sykkylven
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Several small river plants in Walloon No big power plants because we don’t
have the difference in height
In Belgium
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CleanRenewableNo CO2 pollution
Pro’s
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Impact on the local communityPlants are destroyed in the area
where it is built
Contra’s
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Windmills Wave energy Thermal energy
Other ways in Norway
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Windmills
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Parts of a windmill3 Rotorblades26 rpm52 meterAir Brakes
Rotorblades
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Parts of a windmill1. Rotor2. Blade adjustment3. Main spindle4. Gearwheels5. Brake6. Generator7. Transformator8. Frame9. Another frame10.Sensors11.crane
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Pro`s
No pollution Reduced dependence Job prospects/opportunities Cheap energy
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Contra`sImpact on the environment Impact on the landscape Annoying sounds Shadow pollution
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http://www.youtube.com/watch?feature=player_embedded&v=ILWXAkE4QpQ#!
Waves => Wave Energy Converter (WEC) => Energy
Wave energy
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http://www.youtube.com/watch?v=BHSNBzHCvMI
Thermal energy
Warmth of the earth Steam Turbine Generato
r
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Windmills Solar panels
Other ways in Belgium
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A lot in Belgium, few in Norway The light of the sun is transformed into
energy
Solar panels
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Pro`s
No pollution Reduced dependence Job prospects Cheap energy
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Contra`s
It’s ugly It needs a lot of cleaning
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When we came to Norway we noticed that Norwegians don’t switch off the lights as quickly as we do in Belgium.That’s because energy is cheaper in Norway than in Belgium.So we can conclude that hydro-electricity is very important in Norway.
Save energy?
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Katrine Pernille Mr. Vercruysse Mrs. Alliet Youtube Wikipedia
Sources