High-voltage, high-power operation of the plasma erosion opening switch

Neri, J. M.; Boller, J. R.; Ottinger, P. F.; Weber, B. V.; Young, F. C.
May 1987
Applied Physics Letters;5/11/1987, Vol. 50 Issue 19, p1331
Academic Journal
A plasma erosion opening switch (PEOS) is used as the opening switch for a vacuum inductive storage system driven by a 1.8-MV, 1.6-TW pulsed power generator. A 135-nH vacuum inductor is current charged to ∼750 kA in 50 ns through the closed PEOS which then opens in <10 ns into an inverse ion diode load. Electrical diagnostics and nuclear activations from ions accelerated in the diode yield a peak load voltage (4.25 MV) and peak load power (2.8 TW) that are 2.4 and 1.8 times greater than ideal matched load values for the same generator values.


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