FIELD: electricity.
SUBSTANCE: invention is related to a high-voltage device to ensure electrical insulation of the conductor passing through the device. The device comprises a hollow isolator; a conductor passing through the hollow isolator; an assembly to reduce field gradient that consists of a capacitor core and a voltage grading screen. The capacitor core and the voltage grading screen are placed around the conductor inside the hollow isolator so that the voltage grading screen is placed around at least a part of the capacitor core.
EFFECT: invention ensures voltage grading effect with ability of use of less capacitor core due to available voltage grading screen.
11 cl, 6 dwg
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