Renewable energy (1) Wind power and solar power
Two renewable resources that will never run out!
Doc Brown's Physics Revision Notes
Suitable for GCSE/IGCSE Physics/Science courses or their equivalent
Wind Power - turbines and generators - advantages/disadvantages
Solar Power - solar panels - solar cells - advantages/disadvantages
Wind power - wind turbines generating electricity
The technology of wind power
Wind turbine blades are driven by the kinetic energy of wind movement which in turn drive a generator (electrical energy). Each set of turbine blades is connected to a generator to produce electricity which can be fed into a domestic supply or, more likely, fed into the National Grid system.
They are sited in clusters ('wind farms') in exposed locations on open land or out at sea (the latter is a more expensive location to erect the turbines). Locations are chosen after a survey is done to see if a commercial amount of wind blows!
Advantages of wind power
Disadvantages of wind power
The technology of solar power
Advantages of solar power
Disadvantages of solar power
Energy resources and electrical power supply revision notes index
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