The paper deals with the use of special (expanded) branch and bound method, which allows to significantly increase the dimension of the problem, also shows the comparative characteristics of the traditional approach and proposed.

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The pulsed power produced by the fuses flows to the region of the plasma erosion opening switches through the spark gap. The four carbon plasma guns are used to produce the plasma with the fast kinetic velocity and the sufficient density. The timing between plasma guns and the field distortion switch is changed. The load is short-circuited, the current is measured by Rogowski coils. The rise time of the load current decreases from 150 ns t i l l 20 ns, and the peak current does not change. One of important problems to use the plasma erosion opening switch for real applications of the pulsed power is the improvement of the poor reappearance of parameters of the pulsed power. The causes of the poor reappearance are discussed also.