Fundamental Limitations and Topological Considerations for Fast Discharge Homopolar Machines

Fusion research experiments require high energy short duration pulses. A homopolar machine, as an inertial energy storage system, offers an attractive source of energy meeting these requirements. The Energy Storage Group at The University of Texas at Austin has investigated the fundamental limitatio...

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Published in:IEEE transactions on plasma science 1975-12, Vol.3 (4), p.209-215
Main Authors: Driga, M. D., Nasar, S. A., Rylander, H. G., Weldon, W. F., Woodson, H. H.
Format: Article
Language:English
Subjects:
Circuit testing
Coils
Costs
Energy storage
Fault location
Homopolar machines
Inductors
Plasma confinement
Plasma temperature
Pulsed power supplies
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cited_by cdi_FETCH-LOGICAL-c361t-e94707c3178847191360c510518973c79440f890ef84c1012dd893881c1b14093
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description Fusion research experiments require high energy short duration pulses. A homopolar machine, as an inertial energy storage system, offers an attractive source of energy meeting these requirements. The Energy Storage Group at The University of Texas at Austin has investigated the fundamental limitations to the discharge time of homopolar machines of various topological configurations. This paper presents a mathematical model for fast discharge homopolar machines. Based on this model, various machine configurations are analyzed. A new configuration - the spool type machine - is also discussed, criteria for the evaluation of different alternatives are presented, and it is concluded that highly efficient (≅ 95%), high energy (≅ gigajoules), fast-discharge (≅ 5 to 30 milliseconds) homopolar inertial energy storage systems are technically feasible. Brief reference is also made to some of the experimental results obtained from the existing laboratory models.
doi_str_mv 10.1109/TPS.1975.4316909
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source IEEE Electronic Library (IEL) Journals
subjects Circuit testing
Coils
Costs
Energy storage
Fault location
Homopolar machines
Inductors
Plasma confinement
Plasma temperature
Pulsed power supplies
title Fundamental Limitations and Topological Considerations for Fast Discharge Homopolar Machines
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