Energy Atlas

How The World Is Powered
Technologies

Electric Generator

Also Known As Dynamo
Electrical Machine

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The machine at the heart of almost every power station, converting mechanical rotation into electric current by electromagnetic induction: moving a magnet relative to a coil of wire induces a current in the wire, the principle Michael Faraday demonstrated. Steam, water and gas turbines exist to spin generators, which is why most of the world's electricity arrives through one.

Facts
Technology Type
Electromechanical conversion 1
Invented Year
1832 2
Cross-Tradition Connections

Associated With

Developed By

Sources
1. United States Energy Information Administration Official Site
US Energy Information AdministrationElectricity explained, How electricity is generated, Electromagnetic generators
Quote, Electricity explained, How electricity is generated, Electromagnetic generators
He found that moving a magnet inside a coil of wire makes (induces) an electric current flow through the wire.
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1. United States Energy Information Administration Official Site
US Energy Information AdministrationElectricity explained, How electricity is generated
Quote, Electricity explained, How electricity is generated
Most U.S. and world electricity generation is from electric power plants that use a turbine to drive electricity generators.
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2. Wikipedia
Wikimedia FoundationHistory, Direct current generators
Quote, History, Direct current generators
One of the first dynamos was built by Hippolyte Pixii in 1832.
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Royal Institution Official Site
Royal Institution of Great BritainAssociated With: Faraday Demonstrates Induction, Collection, Michael Faraday ring-coil apparatus
Quote, Associated With: Faraday Demonstrates Induction, Collection, Michael Faraday ring-coil apparatus
thus creating the first ever electric transformer.
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