Electric cables - Calculation of the current rating - Part 2: Thermal resistance - Section 2: A method for calculating reduction factors for groups of cables in free air, protected from solar radiation

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Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English - French, English, French, Spanish, Castilian

Published date

11-05-1995

Publisher

International Electrotechnical Committee

Foreword
Introduction
1 Scope
2 Normative references
3 List of symbols
4 Method
5 Values of clearance to avoid a reduction in
current-carrying capacity
6 Procedures to derive the reduction coefficient
for grouped cables
Figures

Is applicable to any type of cable and group running horizontally, provided that the cables are of equal diameter and emit equal losses.This publication supersedes IEC 61042.

DevelopmentNote	Supersedes IEC 1042 (03/2001) Also numbered as BS 7769-2.2(1997) (10/2005) Stability Date: 2017. (09/2017)
DocumentType	Standard
Pages	20
PublisherName	International Electrotechnical Committee
Status	Current
Supersedes	IEC 61042:1991

Standards	Relationship
CEI 20-21/2-2 : 2007	Identical
SANS 60287-2-2 : 1ED 2010	Identical
NEN 10287-2-2 : 1996	Identical
UNE 21144-2-2:1997	Identical
GOST R IEC 60287-2-2 : 2009	Identical
SANS 60287-2-2:2010(R2023)	Identical

IEEE 525-2007	IEEE Guide for the Design and Installation of Cable Systems in Substations
IEEE 848-2015	IEEE Standard Procedure for the Determination of the Ampacity Derating Factor for Fire-Protected Cable Systems
IEC 60364-5-523:1999	Electrical installations of buildings - Part 5: Selection and erection of electrical equipment - Section 523: Current-carrying capacities in wiring systems

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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IEC 60287-2-2:1995

Electric cables - Calculation of the current rating - Part 2: Thermal resistance - Section 2: A method for calculating reduction factors for groups of cables in free air, protected from solar radiation

Table of Contents

Abstract

General Product Information

International Equivalents

Standards Referenced By This Book

Standards Referencing This Book

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