HIGH-VOLTAGE APPARATUS WITH GAS INSULATION FOR D C POWER LINES Russian patent published in 1995 - IPC

FIELD: electrical engineering. SUBSTANCE: high-voltage apparatus with gas insulation for D. C. power lines has shell, current carrying elements, pedestal insulator and metal screens. Metal screens arranged on outer butt of insulator and close to insulator on inner surfaces of shell are insulated from shell and are connected with instrumentation cable brought out to outer surface of shell through multilink filter of variable component of microcorona current to D. C. measuring device having sensitivity not less than 10^-9A.. EFFECT: enhanced reliability and safety. 2 cl, 1 dwg