2016•Texas ScholarWorks (Texas Digital Library)Open access

Homopolar Generator Development at the University of Texas

Woodson, H.H.

Abstract

Homopolar generator development since 1972 is reviewed. The first homopolar generator stored 0.65 MJ was capable of self motoring to 6000 r/min in about 12 min with an armature current of 1.0 KA and could discharge in about 3.0 s at a current of 14.0 kA. A high brush tester to evaluate mechanical and electrical properties of the various grades of solid brushes available is mentioned. The second homopolar generator stores 5.0 MJ of energy inertially at 5600 r/min and is basically a scaled-up version of the first generator with improved bearings and brush mechanism. Work on fast discharge and industrial programs is mentioned. (MHR)

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Key concepts: Homopolar motor, Armature (electrical engineering), Generator (circuit theory), Electric generator, Brush, Mechanical engineering, Electrical engineering, Current (fluid)