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Main >> Applications >> Sample problems >> Disc insulator

Disc insulator leakage current

Disc insulator of an electric power transmission line.

Problem Type:
Axisymmetric multiphysics problem of the AC Conduction coupled to Heat transfer.

Geometry:
Solenoid under current load Calculate the mechanical stress distribution in the solenoid coil carrying current Cement Porcelain Metal cap Dirt layer Clamp

Given:
Relative permittivity of porcelain ε = 6,
Relative permittivity of cement ε = 2.
Dirt layer thickness 1 mm.
Dirt layer conductivity 30 uS/cm.

Task:
Calculate thermal effect of the leakage currents in the insulator.

Results:
Leakage current dendity distribution in the insulator (on the left), insulator temperature profile (on the right).

Disc insulator leakage current

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    QuickField 6.4