Transitional processes in combined opening switch (Vacuum interrupter and PEOS)

Summary form only given, as follows. The opening switch combined of two opening switches - vacuum interrupter and plasma erosion opening switch - is offered for consideration. Each of the interrupters has several physical and technical properties limits, which allow to integrate them in one construction. Two designs of this combination are considered. The current breaking process in combined opening switch (COS) has three stages. The first one: vacuum interrupter stage i.e. energy accumulation in inductance store, the second one: current zero stage i.e. vacuum gap recovery, and the third stage involves a plasma erosion opening switch, magnetic self insulation and energy transmission to a load. The offered designs allow realisation of the relation between time of energy storage in IS and time of energy output from IS to a load /spl sim/ 10/sup 6/ - 10/sup 7/. Under it the power developed by COS on a load equals 10/sup 11/ -10/sup 12/ W. Effect of different factors, in particular, presence of particles in vacuum gap to efficiency of energy transmission to a load is discussed.