In 1955, Oliphant initiated the design and construction of a 500 megajoule homopolar generator ( HPG ), the world's largest.
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In the homopolar generator, the material's atoms are moving, even though the overall geometry of the circuit is staying the same.
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Generating currents of this magnitude is relatively simple, and a number of devices from large banks of capacitors to homopolar generators have been used.
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Articles like Megalith and Homopolar generator get tagged by the project label .-- Pjacobi 18 : 51, 21 April 2007 ( UTC)
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A homopolar generator is an electrical generator comprising an electrically conductive disc or cylinder rotating in a plane perpendicular to a uniform static magnetic field.
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Later homopolar generators would solve this problem by using an array of magnets arranged around the disc perimeter to maintain a steady field effect in one current-flow direction.
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He also built the first electromagnetic generator, called the Faraday disk; a type of homopolar generator, using a copper disc rotating between the poles of a horseshoe magnet.
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He also built the first electromagnetic generator, called the Faraday disk, a type of homopolar generator, using a copper disc rotating between the poles of a horseshoe magnet.
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Homopolar generators ( HPGs ) were extensively researched in the late 20th century as low voltage but very high current DC power supplies and have achieved some success powering experimental railguns.
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They are unusual in that they can produce tremendous electric current, some more than a million amperes, because the homopolar generator can be made to have very low internal resistance.
