Inexpensive Inertial Energy Storage Utilizing Homopolar Motor-Generators

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Weldon, W.F.
Woodson, H.H
Rylander, H.G
Driga, M.D.

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The pulsed power demands of the current generation of controlled thermonuclear fusion experiments have prompted a great interest in reliable, low cost, pulsed power systems. The Energy Storage Group at the University of Texas at Austin was created in response to this need and has worked for the past three years in developing inertial energy storage systems. 0.5 and 5 megajoule homopolar motor-generators have been designed, built and tested at the University of Texas and design studies have been completed for several systems ranging in size up to 63 gigajoules. The performance of the two laboratory machines and the potential applications which have been investigated are discussed.


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W.F. Weldon, H.H. Woodson, H.G. Rylander, and M.D. Driga, “Inexpensive inertial energy storage utilizing homopolar motor-generators,” Energy System Session, 2nd Annual UMR-MEC Conference on Energy, University of Missouri-Rolla, Rolla, Missouri, U.S.A., October 7-9, 1975.