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Arcing horns bushing insulator

Electric stress in the bushing insulator, arcing horns insulation, electric field in the insulation

Arcing horns protect bushings in case of the overvoltage.

Problem Type electrostatics.

Geometry 3D import

Given
Relative permittivity of air ε₀ = 1,
Relative permittivity of insulator ε_r = 6,
HV = 6 kV (RMS).

Task
Calculate electric field stress distribution along the bushing insulator surface and in the spark gap.

Results
Electric field distribution in the spark gap.

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