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An inductive scheme of power conditioning at mega-Ampere currents

Published online by Cambridge University Press:  21 September 2006

A.S. CHUVATIN ,
V.A. KOKSHENEV ,
L.E. ARANCHUK ,
D. HUET ,
N.E. KURMAEV  and
F.I. FURSOV
A.S. CHUVATIN
Affiliation:
Laboratoire de Physique et Technologie des Plasmas, Ecole Polytechnique, Palaiseau, France
V.A. KOKSHENEV
Affiliation:
High Current Electronics Institute, Tomsk, Russia
L.E. ARANCHUK
Affiliation:
Laboratoire de Physique et Technologie des Plasmas, Ecole Polytechnique, Palaiseau, France
D. HUET
Affiliation:
Centre d'Etudes de Gramat, Gramat, France
N.E. KURMAEV
Affiliation:
High Current Electronics Institute, Tomsk, Russia
F.I. FURSOV
Affiliation:
High Current Electronics Institute, Tomsk, Russia
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Abstract

This work describes an inductive energy storage scheme intended for power multiplication at mega-Ampere currents. The key power multiplication element of the scheme is an opening switch generating the voltage of inductive origin. The switch represents an additional volume with magnetically accelerated solid-state or plasma conductor between the generator and the load. Motion of the conductor increases the inductance of the volume. A sufficiently fast increase of this inductance at the end of magnetic energy storage time ensures power multiplication. A critical requirement for the accelerated conductor is the possibility of temporal profiling of the inductance increase. A proof-of-principle experiment at GIT12 shows that such profiling is possible. We suggest a simple analysis of the scheme efficiency and illustrate this analysis for a multi-mega-Ampere class generator. The scheme is alternative to existing inductive energy storage technologies for pulsed-power conditioning at high currents.

Keywords

Inductive energy storage schemesPulse power
Type
Research Article
Information
Laser and Particle Beams , Volume 24 , Issue 3 , September 2006 , pp. 395 - 401
Copyright
© 2006 Cambridge University Press

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References

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