Generate Electricity

Video• Generate Electricity

Different types

• Thermal power– Solar energy– Coal– Gas– Nuclear

• Hydroelectricity• Wind power

Electricity generating is very important, because most of the compliances in todays life work with electricity.

Without electricity, a lot of businesses and factories will stand still.

• Schools need electricity to switch on lights, to use the intercom, switch on fans, etc.

• At factories the machines will come to a stand still and processing will stop or slow down.

Coal generating

• Coal is mined• It goes to the factories• At the factories the coal is burned to get

steam, the steam goes through tunnels to turbines.

• Turbines turn and the coils of the generator turns that gives us electricity.

• From the generator it goes to step up transformers that increase the voltage.

• It goes through high voltage lines to sub stations.

• From the sub stations the voltage is decreased to go to our homes for us to use.

Coal generating

Transformer

• We get two kinds of transformers• Step up transformer and a step down

transformer.• Transformers can take a low voltage to a

higher voltage or the other way around depending on the number of coils.

Thermal power plant

Thermal generating

• STEAM is used to generate electricity.

• We get steam when we boil water with something.

• We can use coal, gasses, sun and nuclear energy

Hydroelectricity

• Electricity is generated by the use of water.

• Water turns the turbines if it flows past them. It is pumped back to the dam and used again.

Hydroelectricity

Wind generating

• We use the wind to generate electricity.

• The turbines is connected to big wings that turns when the wind blows.

Advantages and disadvantages

• All types of generating has advantages and disadvantages.

Thermal power

• Advantages– Fuel is quite cheap.– Can be built anywhere– Use less space than Hydro electrical plant– Less expensive than diesel powerplant

• Disadvantage– Pollution from the smoke of the fuel burning.– More expensive than Hydro Power plants

Hydroelectricity

• Advantages– Can be used over and over– Can be generated 24/7– Doesn’t cause pollution.

• Disadvantages– More expensive to build than thermal plants– Can cause floods and it is dangerous for nature.

Wind power

• Advantages– The wind is for free.– No pollution– Doesn’t take a lot of land space

• Disadvantages– Wind changes the whole time and doesn’t stay

consistant– Wind turbines makes a lot of noise.