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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.

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

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

Calculate thermal effect of the leakage currents in the insulator.

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