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Alternator Generator for Alternative Power

Alternator Generator for Alternative Powerthumbnail
Wind turbines harness wind to power electricity generating machines.

Alternators and generators can be used for creating electrical power from alternative sources. Both devices convert alternating electric current into direct electric current. Wind energy is the most common power source for use with alternators and generators.

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    1. How They Work

      • An alternator is a type of power generator that converts alternating current into direct current. Generators work by means of a spinning rotor that creates an electrical charge within a magnetic field. The rotor is spun by a pulley device and the current is sent to a battery for storage or to a component for immediate use.

      Turning the Pulley

      • A generator may rely on an engine to turn the pulley, such as in an automobile. However, a generator can also use a windmill, or wind turbine, to spin the pulley as the wind blows.

      Wind Power

      • The faster the rotor turns, the more electricity will be generated. Since high speed winds are infrequent, the size of the generator pulley on the alternator can be reduced to accommodate average winds of 5 to 15 miles per hour.

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    • Photo Credit Sean Gallup/Getty Images News/Getty Images

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