Hydro-electricity

Sven, Maxim, Robbe, Siri, Julie and Eline

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

http://www.youtube.com/watch?v=rnPEtwQtmGQ

Introduction video

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?

Water Turbine Generator

What?

Electricity

Hydro-electricity = 99% 200 power plants More than 800 small river plants

In Norway

3 power plants 6 small river plants

In Sykkylven

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

Several small river plants in Walloon No big power plants because we don’t

have the difference in height

In Belgium

Clean Renewable No CO2 pollution

Pro’s

Impact on the local community Plants are destroyed in the area

where it is built

Contra’s

Windmills Wave energy Thermal energy

Other ways in Norway

Windmills

Parts of a windmill

3 Rotorblades

26 rpm

52 meter

Air Brakes

Rotorblades

Parts of a windmill

1. Rotor2. Blade adjustment3. Main spindle4. Gearwheels5. Brake6. Generator7. Transformator8. Frame9. Another frame10.Sensors11.crane

Pro`s

No pollution Reduced dependence Job prospects/opportunities Cheap energy

Contra`s

Impact on the environment Impact on the landscape Annoying sounds Shadow pollution

http://www.youtube.com/watch?feature=player_embedded&v=ILWXAkE4QpQ#!

Waves => Wave Energy Converter (WEC) => Energy

Wave energy

http://www.youtube.com/watch?v=BHSNBzHCvMI

Thermal energy

Warmth of the earth

Steam TurbineGenerato

r

Windmills Solar panels

Other ways in Belgium

A lot in Belgium, few in Norway The light of the sun is transformed into

energy

Solar panels

Pro`s

No pollution Reduced dependence Job prospects Cheap energy

Contra`s

It’s ugly It needs a lot of cleaning

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?

Katrine Pernille Mr. Vercruysse Mrs. Alliet Youtube Wikipedia

Sources