UG Cable Modelling in MATLAB

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Swati Sarangi
Swati Sarangi 2020-1-2
回答： Sabin 2025-7-2
Hi all,
I have a doubt regarding selecting a cable model for short line UG cable;
which of the following gives an accurate result?
1) 3 phase pi-section line
Three Phase pi-section line.PNG
or
2) distributed_parameter_line.PNG
distributed parameter line?

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回答（1 个）

Sabin
Sabin 2025-7-2
For short underground cables (less than 50 km), the lumped pi-section model is usually sufficiently accurate. The distributed parameter model provides better accuracy, but the difference is negligible for short lines.

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