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3-phase transmission line with grounding

This is an example of the 3-phase transmission line with grounding simulation, performed with QuickField software.

Problem Type:
Plane problem of AC magnetics.


3-phase transmission line model

Line length l = 4 km;
Copper conductor diameter d = 1 mm;
Conductivity of copper g = 58·106 Sm/m;
Voltage U = 400 V;
Resistance R_A = 2 Ohm;
Resistance R_B = 2.5 Ohm;
Resistance R_C = 1 Ohm;
Inductance L = 0.002 H;
Ground resistance - 8 Ohm.

In this tutorial we will calculate the current in the power transmission line connected with an external circuit load.



Field distribution in 3-phase transmission line:

Field distribution in 3-phase transmission line, animated picture

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Download Download simulation files (files may be viewed using any QuickField Edition).

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.