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Design, modeling, and verification of a high-pressure liquid dielectric switch for directed energy applications

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6 Author(s)
Leckbee, J.J. ; Dept. of Electr. Eng., Univ. of Missouri-Columbia, Columbia, MO, USA ; Curry, R.D. ; McDonald, K.F. ; Cravey, W.R.
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A high-power liquid dielectric switch is being developed to satisfy the requirements for future directed energy applications. A flowing, high-pressure liquid dielectric was chosen for the design of a megavolt class switch operating at 100 pps. This paper reports on the design philosophy, modeling, and experimental results of a full size, single-shot prototype 250-300 kV concept validation test (CVT) switch which can transfer kilojoules per pulse. Analysis of design criteria and scaling for a compact, 100-pps, kilojoule, high-voltage switch are presented. Optimization studies indicate that a pressure range of 6.9-13.8 MPa (1000-2000 psi) appears to be ideally suited to a flowing dielectric rep-rate switch.

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Plasma Science, IEEE Transactions on  (Volume:32 ,  Issue: 5 )