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Design and performance of the Z magnetically-insulated transmission lines

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32 Author(s)
W. A. Stygar ; Sandia Nat. Labs., Albuquerque, NM, USA ; R. B. Spielman ; G. O. Allshouse ; C. Deeney
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The authors have designed and tested a 10 nH, 1.5 m radius vacuum section for the Z accelerator. The vacuum section consists of four vacuum flares, four conical 1.3 m radius magnetically-insulated transmission lines (MITLs), a 7.6 cm radius 12-post double-post-hole convolute which connects the four outer MITLs in parallel, and a 5 cm long inner MITL which connects the output of the convolute to a z-pinch load. The authors have demonstrated they can deliver a 100 ns rise-time 20 MA current pulse to the baseline z-pinch load. They can reproduce the peak MITL current to within /spl plusmn/1.6%. Power-flow measurements indicate the vacuum section performs as expected until peak current. Afterward, measurements and simulation results diverge.

Published in:

Pulsed Power Conference, 1997. Digest of Technical Papers. 1997 11th IEEE International  (Volume:1 )

Date of Conference:

June 29 1997-July 2 1997