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Stress control tube for cable termination

This is an example of the cable termination simulation, performed with QuickField software.

Problem Type:

Axisymmetric problem of transient electric.

Geometry:

stress control tube

Given:

Relative permittivity of air ε = 1.
Relative permittivity of insulation ε = 2.
Relative permittivity of shield ε = 1.2.
Relative permittivity of stress control tube - nonlinear.
Voltage U = 4 kV.

Problem:

Calculate the effect of electric stress reduction.

Results:

With stress control tube the maximal electric stress reduces from 1.6 to 0.5 kV/mm.

electric field strength distribution along the cable surface

cable electric stress

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There are no restrictions applied to the QuickField Student Edition postprocessors.
You can view field maps, make plots, calculate integrals and print pictures in the same way that the Professional Edition users do.