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Electrostatic simulation of 3 phase cable

Problem Type:
Plane problem of electrostatics.

Geometry:

3-phase cable model

The diameter of the cable with insulation is 20mm (for all cables).
The insulation thickness is 2 mm.

Given:
Relative permittivity of individual insulation ε = 3.3;
Relative permittivity of common insulation ε = 3;
Voltage applied UA = 9.8 kV, UB = -4.9 kV, UC = -4.9 kV.

Problem:
Determine the field strength, potential in cable and in insulation.

Results:
3-phase cable electrostatic simulation

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