PLASMA-EROSION BREAKER Russian patent published in 1998 - IPC

FIELD: electrical engineering, commutation devices for switching off of pulse currents. SUBSTANCE: plasma-erosion breaker has vacuum chamber 1, source of electric energy connected to coaxial electrodes 2, system of radially positioned plasma guns 3 and washer 4 made of dielectric material having radial ducts 5 located uniaxially with plasma guns. Washer is placed inside vacuum chamber between coaxial electrodes. Ducts in dielectric washer 4 may be embraced by conductor. EFFECT: enhanced operational efficiency and safety. 1 cl, 4 dwg