GSO IEC 60287-1-3:2025
IEC 60287-1-3:2023
Gulf Standard
Current Edition
·
Approved on
14 October 2025
Electric cables - Calculation of the current rating - Part 1-3: Current rating equations (100 % load factor) and calculation of losses - Current sharing between parallel single-core cables and calculation of circulating current losses
GSO IEC 60287-1-3:2025 Files
English
21 Pages
Current Edition
Reference Language
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GSO IEC 60287-1-3:2025 Scope
IEC 60287-1-3:2023 provides a method for calculating the phase currents and circulating current losses in single-core cables arranged in parallel. The method described in this document can be used for any number of cables per phase in parallel in any physical layout. The phase currents can be calculated for any arrangement of sheath bonding. For the calculation of sheath losses, it is assumed that the sheaths are bonded at both ends. A method for calculating sheath eddy current losses in two circuits in flat formation is given in IEC 60287-1-2.
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