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Main >> Applications >> Sample problems

Bus-bars - QuickField simulation example

Electric field distribution around two adjacent copper bus bars, one straight and one bent by 90 degrees, positioned in parallel planes at different potentials.

Engineering question

How to find electric field between adjacent busbars?

Answer
Set up a 3D QuickField Electrostatics problem for an adjacent busbar arrangement and evaluate electric field between busbars from computed field results.

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Typical applications
power busbar systems, switchgear busbars, substation conductor layouts

Bus-bars

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Simulation problem

Problem Type electrostatics.

Geometry 3D extrusion / 3D import.
Bus-bars electric stress Electric field distribution around two adjacent copper bus bars, one straight and one bent by 90 degrees, positioned in parallel planes at different potentials. Bar #2 Bar #1 Bar #1 Bar #2 100 mm 100 mm 150 mm

Given
Relative permittivity of air ε = 1,
Bar #1 voltage +10 kV, Bar #2 voltage -10 kV.

Task
Find the electric field distribution.

Solution
The geometry model could be constructed two ways: by 3D extrusion or using 3D import.

Results
Electric field stress distribution between the bars.
Electric field stress distribution between the bars

Video

  • 3D model creation in FreeCAD

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