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arXiv · 1303.5452

Fast Computation of the Series Impedance of Power Cables with Inclusion of Skin and Proximity Effects

Utkarsh R. Patel·Bjorn Gustavsen·Piero Triverio
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Abstract

We present an efficient numerical technique for calculating the series impedance matrix of systems with round conductors. The method is based on a surface admittance operator in combination with the method of moments and it accurately predicts both skin and proximity effects. Application to a three-phase armored cable with wire screens demonstrates a speed-up by a factor of about 100 compared to a finite elements computation. The inclusion of proximity effect in combination with the high efficiency makes the new method very attractive for cable modeling within EMTP-type simulation tools. Currently, these tools can only take skin effect into account.

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Utkarsh R. Patel, Bjorn Gustavsen, Piero Triverio. 2014-05-05. Fast Computation of the Series Impedance of Power Cables with Inclusion of Skin and Proximity Effects. https://doi.org/10.1109/tpwrd.2013.2267098

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