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7000 watts
Pretty much any decent speed really. The faster it spins, the more energy it generates. If it spins sufficiently slowly, an essentially negligible amount of energy will be created. Unless it is at a near standstill, it'll generate little amounts energy.
Depends on the turbine
A typical utility scale wind turbine will produce anywhere from 1.5 megawatts to 3.0 megawatts. This means that a single wind turbine can power about 300 average households annually.
less than 100 kilowatts of electricity can be used to power a single home.
Air compressor alone consumes about 50 to 60 % of energy generated by a gas turbine..
7000 watts
a turbine would be used instead of a water wheel because a turbine does not use as much energy and it uses the wind to generate it.
it costs £5 to make one and it produces no energy
Pretty much any decent speed really. The faster it spins, the more energy it generates. If it spins sufficiently slowly, an essentially negligible amount of energy will be created. Unless it is at a near standstill, it'll generate little amounts energy.
It depends if you have a means of storing the excess energy, if your house is in a windy place, and how much energy you use.
So far it is free because wind is a renewable energy source but you have to count the turbine and generator and everything that produces the electricity.
The payback time is about three to five months, depending on how much wind blows. This means that over the life of the turbine (20 to 25 years) it should produce many times more energy that was used to make it.
Depends on the turbine
Every turbine gives 300-400 homes power.
This is a question of how much electrical energy you want to produce, against the cost of the equipment to produce it.
A typical utility scale wind turbine will produce anywhere from 1.5 megawatts to 3.0 megawatts. This means that a single wind turbine can power about 300 average households annually.