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An approach to calculation of circulation current of single-core cables | IET Conference Publication | IEEE Xplore

An approach to calculation of circulation current of single-core cables

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Abstract:

It is well known that current having non-negligible value could appear in metal sheet of single-core power cables. This current causes additional heating of the cable and...Show More

Abstract:

It is well known that current having non-negligible value could appear in metal sheet of single-core power cables. This current causes additional heating of the cable and consequently, decreases the cable current capacity. Total current flowing through the metal sheet of the single-core cables consists of circulation, eddy and capacitive components. Circulation current depends on cable geometry, material of metal sheet, arrangements of cables and cross-bonding method. Circulation current of three single-core cables laid in a flat formation is analysed in this paper for six different cases, and a general matrix equation for circulating current calculation is proposed.
Date of Conference: 06-09 November 2016
Date Added to IEEE Xplore: 23 March 2017
Electronic ISBN:978-1-78561-406-4
Conference Location: Belgrade