relating to windmills.
2007-01-18 11:57:34 · 7 answers · asked by Edward V 1 in Science & Mathematics ➔ Engineering
The only think that generates electricity is a wire moving through an EM field, or an EM field changing around a wire.
If you use a windmill you are just using the wind to help accomplish one of the other.
2007-01-18 12:29:26 · answer #1 · answered by themountainviewguy 4 · 0⤊ 0⤋
Inside a power generating windmill is a dynamo, also know as an electric generator. A generator works like a motor in reverse. If you run electric through an electric motor, it spins. If you were to spin an electric motor and connect a very sensitive voltage meter to the electric terminals, you would notice a voltage.
Inside a dynamo there are magnets and a coil of wire. When a wire moves through the magnetic field of a magnet, electricity is generated.
2007-01-18 20:11:01 · answer #2 · answered by Kender_fury 3 · 1⤊ 1⤋
A motor and a generator are the same thing. If you put current to a motor it spins. If you put spin to a motor it genetares current.
The wind turbine spins a generator to produce electricity.
2007-01-18 20:14:11 · answer #3 · answered by Anonymous · 0⤊ 1⤋
well windmills are just loose alternators using wind power to convert wind energy into anternating current
2007-01-18 20:02:36 · answer #4 · answered by macgyver 1 · 0⤊ 0⤋
the gears usually don't generate the electricity., its the magnets and coils that do that. (moving relative to one another)
2007-01-18 20:06:49 · answer #5 · answered by Don't look too close! 4 · 0⤊ 1⤋
it's rotating in a magnatic fiels (electrical generators)
2007-01-18 22:47:47 · answer #6 · answered by Eyad E 3 · 0⤊ 0⤋
magnets
2007-01-18 20:53:54 · answer #7 · answered by kingmmk@ameritech.net 1 · 0⤊ 0⤋