Effects of the circulating sheath currents in the magnetic field generated by an underground power line.

Authors

  • J.R. Riba Ruiz Department d'Enginyeria Elèctrica, UPC EUETII-"L'Escola d'Adoberia" Author
  • X. Alabern Morera Department d'Enginyeria Elèctrica, UPC Author

DOI:

https://doi.org/10.24084/repqj04.217

Keywords:

Magnetic field reduction, power cables, sheath currents, underground power lines

Abstract

In this paper the influence of the metallic sheath in the magnetic field generated by underground single core power cables is studied. When dealing with underground power cables, sheath circulating currents can be induced. These currents produce power losses in the sheaths and decrease the ampacity (capacity of carrying current) of the cables. The circulating sheath currents generate a magnetic field that adds to the cable magnetic field. In this paper the modification of the total magnetic field is studied.

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Published

2024-01-10

Issue

Vol. 4 No. 1 (2006)

Section

Articles