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The Electric Generator

Defined

An electric generator is a device that converts mechanical energy to electrical energy. So, if we think of a wind turbine, the mechanical energy of the blades turning around, spinning a central axle will cause a mechanical motion that can be transferred into electrical energy via the electric generator.

hydroturbine

source: http://ga.water.usgs.gov/edu/hyhowworks.html

So, if we expand this knowledge, we can identify many other ways mechanical energy can be converted into electrical energy with:

  • turbine with steam, water, or wind
  • hand crank
  • combustion, reciprocating or piston engine
  • magnetism

The rapidly growing field of electromagnetism has spawned many electromagnetic generators, some with technology that has been around since electricity was identified!

 

 

 





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