DEVICE FOR PROTECTING POWER CONSUMERS AGAINST LIGHTNING STRIKES Russian patent published in 2004 - IPC

FIELD: power engineering. SUBSTANCE: proposed device that incorporates provision for automatic replacement of protective gear has case and magazines with three blocks of safety switches, three-switches per block. Explosion-type safety switches incorporating explosive material provide for closing cable core to its sheath due to detonation of explosive and its disconnection from loads within short period so that surge pulse has no time to rise above desired safe value. Explosion welding of metals ensures reliable contact between cable core and metal coats on cable. EFFECT: enhanced reliability of striking protection and no-break power supply to loads. 1 cl, 2 dwg