Expression for Conductor Resistance in the Frequency Range 2-150 kHz

Document identifier:
Access full text here:10.1109/PTC.2019.8810995
Keyword: Engineering and Technology, Electrical Engineering, Electronic Engineering, Information Engineering, Teknik och teknologier, Elektroteknik och elektronik, Electric power distribution, Proximity effect, Resistance, Skin effect, Supraharmonics, Power quality, Electric Power Engineering, Elkraftteknik
Publication year: 2019
Relevant Sustainable Development Goals (SDGs):
SDG 9 Industry, innovation and infrastructure
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This article discusses the accuracy of the method recommended by the IEC 60287-1-1 for including skin and proximity effect in the estimation of the ac resistance of two parallel conductors at the supraharmonic range (2-150 kHz). The IEC resistance model is compared against a generalized model in order to visualize and quantify the error incurred when using the standard's simplified formula for typical low-voltage conductors carrying supraharmonic distortion. The study reveals that the cable resistance model used impacts the resonance peak attenuation, leading the IEC formula to show errors as significant as 14%.


Angela Espin-Delgado

Luleå tekniska universitet; Energivetenskap
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Sarah Rönnberg

Luleå tekniska universitet; Energivetenskap
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Math Bollen

Luleå tekniska universitet; Energivetenskap
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