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IEC 60287-1-3:2002

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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
Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

05-22-2023

Language(s)

English - French, English, French

Published date

05-21-2002

Publisher

International Electrotechnical Committee

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Symbols
4 Description of method
   4.1 General
   4.2 Outline of method
   4.3 Matrix solution
Annex A (informative) Example calculations
Annex B (informative) Example of the computation of
        the coefficient alpha for hollow core conductors
Bibliography

Provides a method for calculating the phase currents and circulating current losses in single-core cables arranged in parallel. The method described in this standard 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.

Committee
TC 20
DevelopmentNote
Stability Date: 2017. (09/2017)
DocumentType
Standard
Pages
39
PublisherName
International Electrotechnical Committee
Status
Superseded
SupersededBy

IEEE 525-2007 IEEE Guide for the Design and Installation of Cable Systems in Substations
HD 60364-4-43:2010 Low-voltage electrical installations - Part 4-43: Protection for safety - Protection against overcurrent
IEC 60364-4-43:2008 Low-voltage electrical installations - Part 4-43: Protection for safety - Protection against overcurrent
IEEE 848-2015 IEEE Standard Procedure for the Determination of the Ampacity Derating Factor for Fire-Protected Cable Systems
I.S. HD 60364-4-43:2010 LOW-VOLTAGE ELECTRICAL INSTALLATIONS - PART 4-43: PROTECTION FOR SAFETY - PROTECTION AGAINST OVERCURRENT
UNE-HD 60364-4-43:2013 Low-voltage electrical installations -- Part 4-43: Protection for safety - Protection against overcurrent
IEEE 575-2014 IEEE Guide for Bonding Shields and Sheaths of Single-Conductor Power Cables Rated 5 kV through 500 kV

IEC 60287-1-2:1993 Electric cables - Calculation of the current rating - Part 1: Current rating equations (100 % load factor) and calculations of losses - Section 2: Sheath eddy current loss factors for two circuits in flat formation
IEC 60287-2-1:2015 RLV Electric cables - Calculation of the current rating - Part 2-1: Thermal resistance - Calculation of thermal resistance
IEC 60287-1-1:2006+AMD1:2014 CSV Electric cables - Calculation of the current rating - Part 1-1:Current rating equations (100 % load factor) and calculation of losses - General

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Hardcopy - English - French
PDF - English - French
PDF 3 Users - English - French
PDF 5 Users - English - French
PDF 9 Users - English - French
Hardcopy - English
PDF - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
Hardcopy - French
PDF - French
PDF 3 Users - French
PDF 5 Users - French
PDF 9 Users - French
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