Optimization of the power circuit for most efficient performance of ISAS railgun (HYPAC)

A study of the optimization of the Institute of Space and Astronautical Science (ISAS) railgun (HYPAC) power circuit has been performed to increase the efficiency of the railgun performance. Capacitance and the stored energy in the capacitor have been changed and the conversion efficiency of electri...

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Bibliographic Details
Published in:IEEE transactions on magnetics 1993-01, Vol.29 (1), p.1093-1096
Main Authors: Yamori, A., Kawashima, N.
Format: Article
Language:English
Subjects:
Acceleration
Applied sciences
Capacitance
Capacitors
Circuits
Electrical engineering. Electrical power engineering
Exact sciences and technology
Instruction sets
Kinetic energy
Miscellaneous
Projectiles
Railguns
Rails
Timing
Various equipment and components
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Summary:A study of the optimization of the Institute of Space and Astronautical Science (ISAS) railgun (HYPAC) power circuit has been performed to increase the efficiency of the railgun performance. Capacitance and the stored energy in the capacitor have been changed and the conversion efficiency of electrical to kinetic energy has been obtained. Experimental results show that the most efficient energy transfer is obtained when the projectile leaves the muzzle of the railgun at the end of the first half cycle of the discharge current. If the projectile leaves the muzzle earlier or later than this timing, the conversion efficiency decreases.< >
ISSN:0018-9464
1941-0069
DOI:10.1109/20.195733