ELECTRIC CABLES - CALCULATION OF THE CURRENT RATING - PART 1-1: CURRENT RATING EQUATIONS (100% LOAD FACTOR) AND CALCULATION OF LOSSES - GENERAL

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2007

Publisher

Comitato Elettrotecnico Italiano

FOREWORD
INTRODUCTION
1 General
2 Calculation of losses

Pertains to the conditions of steady-state operation of cables at all alternating voltages, and direct voltages up to 5 kV, buried directly in the ground, in ducts, troughs or in steel pipes, both with and without partial drying-out of the soil, as well as cables in air.

Committee	CT 20
DevelopmentNote	Supersedes CEI 20-21. (05/2008)
DocumentType	Standard
Pages	38
PublisherName	Comitato Elettrotecnico Italiano
Status	Current
Supersedes	CEI 20-21 : 2ED 1988

Standards	Relationship
IEC 60287-1-1:2006+AMD1:2014 CSV	Identical

IEC 60028:1925	International standard of resistance for copper
IEC 60228:2004	Conductors of insulated cables
IEC 60502-2:2014 RLV	Power cables with extruded insulation and their accessories for rated voltages from 1 kV (<em>U</em><sub>m</sub> = 1,2 kV) up to 30 kV (<em>U</em><sub>m</sub> = 36 kV) – Part 2: Cables for rated voltages from 6 kV (<em>U</em><sub>m</sub> = 7,2 kV) up to 30 kV (<em>U</em><sub>m</sub> = 36 kV)
IEC 60502-1:2004+AMD1:2009 CSV	Power cables with extruded insulation and their accessories for rated voltages from 1 kV (<em>U</em><sub>m</sub> = 1,2 kV) up to 30 kV(<em>U</em><sub>m</sub> = 36 kV) - Part 1: Cables for rated voltages of 1 kV (<em>U</em><sub>m</sub> = 1,2 kV) and 3 kV (<em>U</em><sub>m</sub> = 3,6 kV)
IEC 60889:1987	Hard-drawn aluminium wire for overhead line conductors
IEC 60027-3:2002	Letter symbols to be used in electrical technology - Part 3: Logarithmic and related quantities, and their units

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CEI 20-21/1-1 : 2007

Current

Table of Contents

Abstract

General Product Information

International Equivalents

Standards Referencing This Book

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