FIELD: electrical engineering; pulsed devices depending for their operation on energy compression. SUBSTANCE: initially stored magnetic energy is transferred to load by passing electric current through primary winding and then electric current is sequentially transformed from primary winding to first auxiliary winding and further to short-circuited sections of second auxiliary winding while saving stored magnetic energy within same space. EFFECT: enhanced speed of initially stored energy transfer and its reduced loss during current transformation. 3 cl, 2 dwg
