Symmetric double line of conductors - QuickField simulation example
This is an example of the symmetric double line of conductors simulation, performed with QuickField software.
How to find impedance and losses in double transmission lines?
Answer Typical applications Geometry
Two copper conductors with square cross-sections carrying opposing directed currents of equal magnitudes are contained inside the rectangular ferromagnetic coating.
Given
Task
Results
Engineering question
Set up a plane-parallel QuickField AC Magnetics problem for a symmetric double transmission line system and evaluate impedance and losses from computed field results.
parallel transmission lines, double-circuit overhead lines, conductor line pairs
Download
Simulation problem
Problem Type
Plane-parallel problem of AC magnetics.
The same as in the HMagn2 example. The current source is specified by the circuit.
The current distribution within the conductors and the coating, complex impedance of the line, and power losses in the coating should be determined.
Current density distribution in the conductors
Parameter
Circuit1
Hmagn2
Impedance, Ohm/m
0.000484 + i 0.000736
0.000484 + i 0.000736
Power loss, W/m
0.0000427
0.0000427
Video
Related examples