HIGH-VOLTAGE INSULATION OF CAPACITOR TYPE Russian patent published in 1994 - IPC

FIELD: electrical engineering. SUBSTANCE: invention refers to high-voltage equipment. High-voltage insulation has outer 2 and inner 1 covers and intermediate covers 3 placed between them and manufactured from conducting or semi-conducting material in the form of collars of same length installed with equal shoulders with respect to each other forming layer 4 of insulation monotonically decreasing from main inner cover to outer one. Thickness of each layer is selected from relationship given in description of invention. EFFECT: enhanced insulation properties. 6 tbl, 2 dwg