Electrostatic simulation of 3 phase cable - QuickField simulation example
This example is prepared by Dariusz Czerwinski
How to calculate field strength and potential in three-phase cable insulation?
Answer Typical applications Geometry The diameter of the cable with insulation is 20mm (for all cables).
Given
Task
Results
Engineering question
Solve the plane-parallel electrostatics problem using the specified phase voltages and insulation permittivities.
three-phase underground cables, cable conductor arrangements, power cable insulation layouts
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Simulation problem
Problem Type
Plane-parallel problem of electrostatics.
The insulation thickness is 2 mm.
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.
Determine the field strength, potential in cable and in insulation.
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