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Arcing horns bushing insulator

QuickField simulation example

Arcing horns protect bushings in case of the overvoltage.

Problem Type electrostatics.

Geometry 3D import
Bushing insulator arcing horns Arcing horns protect bushings in case of the overvoltage Arcing horns HV Plate Insulator GND

Given
Relative permittivity of air ε0 = 1,
Relative permittivity of insulator εr = 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.
Electric field distribution in the spark gap of arcing horns