IEC 60287-2-2:1995
Current
The latest, up-to-date edition.
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
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
English - French, English, French, Spanish, Castilian
11-05-1995
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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.
| Committee |
TC 20
|
| 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 |
| Standards | Relationship |
| CEI 20-21/2-2 : 2007 | Identical |
| NEN 10287-2-2 : 1996 | Identical |
| UNE 21144-2-2:1997 | Identical |
| GOST R IEC 60287-2-2 : 2009 | 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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