Preliminary design of a 1 gigajoule homopolar generator

A high-energy, high-voltage homopolar generator (HPG) has been designed. The HPG will have composite flywheels to maximize energy storage density and a multipass armature to achieve high output voltage. The HPG is designed to discharge a constant 895 kA into a 460 V load for several seconds and rech...

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Bibliographic Details
Published inIEEE transactions on magnetics Vol. 29; no. 1; pp. 980 - 985
Main Authors Headifen, G.R., Pappas, J.A., Weldon, J.M., Wright, J.C., Price, J.H., Gully, J.H., Brunson, G.
Format Journal Article Conference Proceeding
LanguageEnglish
Published New York, NY IEEE 01.01.1993
Institute of Electrical and Electronics Engineers
Subjects
Applied sciences
Brushes
Coils
Copper
Electrical engineering. Electrical power engineering
Electrical machines
Exact sciences and technology
Flywheels
Iron
Magnetic flux
Rotors
Special rotating machines
Stator cores
Titanium
Voltage
Electric generator
Homopolar machine
Energy storage
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Summary:A high-energy, high-voltage homopolar generator (HPG) has been designed. The HPG will have composite flywheels to maximize energy storage density and a multipass armature to achieve high output voltage. The HPG is designed to discharge a constant 895 kA into a 460 V load for several seconds and recharge in less than a minute. The designed energy density is in excess of 15 J/g. Output current control will be achieved by increasing the field coil current proportionally to the decrease in rotational speed.< >
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ISSN:0018-9464
1941-0069
DOI:10.1109/20.195712