Signal cable EMC - QuickField simulation example
Power and signal cable are buried in a common duct. Calculate the electric field distribution and find the mutual capacitance.
How to find mutual capacitance between power and signal cables?
Answer Typical applications Geometry
Given
Task
Solution Result
Engineering question
Set up a plane-parallel QuickField Electrostatics problem for power and signal cables and evaluate mutual capacitance from computed field results.
power signal cable routes, underground cable ducts, mixed cable installations
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Simulation problem
Problem Type
Plane-parallel problem of Electrostatics.
The power cable consists of 4 isolated conductors A, B, C, 0.
Voltage U = 660 V, frequency f = 50 Hz.
The signal cable consists of 4 isolated conductors s1, s2, s3, s4.
Determine the mutual capacitance.
To calculate self and mutual capacitances of conductors the Capacitance calculator addin is used.
A
B
C
0
s2
s1
s4
s3
A
20.6 57.6 2.77 56.3 0.0231 0.0215 0.00743 0.008
B
20.6 58.0 2.75 0.932 1.27 0.525 0.324
C
20.6 57.5 0.525 1.24 0.932 0.324
0
20.6 0.00744 0.02147 0.023 0.008
s2
4.34 11.25 2.81 11.12
s1
3.11 11.24 2.83
s4
4.34 11.11
s3
5.47
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