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How An Electric Generator Works And What Parts It Consists Of

454 words - 2 pages

An electric generator is basically an electric motor working backwards. An electric motor converts electrical energy into mechanical energy, and an electric generator converts mechanical energy into electrical energy. An electric generator looks almost identical to an electric motor. Each consists of a loop that is able to rotate in a magnetic field. The electric motor uses electrical energy to make the loops rotate which creates mechanical energy. In the electric generator it uses mechanical energy to make the loops spin resulting in the creation of electric current within the loop.The way an electric ...view middle of the document...

The greater the rate at which the magnetic force through the coil changes, the greater the potential difference is produced. The key is that the magnetic field through the coil must be changing. Michael Faraday, an English scientist, and Joseph Henry of the United States independently proved this theory in 1831.Electric generators have many uses. Extremely large generators are used by electrical utilities to generate power for their main power grids. When you are selecting a generator you should select a generator with a power rating higher than you need. That way you won't have to run it at full load because it is bad for efficiency, and rough on the machine. The power ratings of an electric generator are based on the ability for the owner to overcome generator losses and how easily it will overheat.Hydroelectric plants use generators. The falling water which turns the turbine is the mechanical energy, and when the turbine turns it produces electrical energy. Connected to the generator are transmissions lines that run to houses and other buildings to deliver their electricity. Most very large generators are either run by the kinetic energy of steam or running water.I never knew that electric generators were used so much and were so important in the process of us getting our electricity. I now know how an electric generator works and the many uses it has.

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