CEI 20-21/3-2 : 2007
Current
The latest, up-to-date edition.
ELECTRIC CABLES - CALCULATION OF THE CURRENT RATING - PART 3-2: SECTIONS ON OPERATING CONDITIONS - ECONOMIC OPTIMIZATION OF POWER CABLE SIZE
Hardcopy , PDF
English
01-01-2007
FOREWORD
0 Introduction
1 Scope
2 Normative references
3 Symbols
4 Calculation of total costs
5 Determination of economic conductor sizes
Annex A (informative) - Examples of calculation
of economic conductor sizes
Annex B (informative) - Mean conductor temperature
and resistance
Describes a method for the selection of a cable size taking into account the initial investment costs and the future costs of energy losses during the economic life of the cable.
| Committee |
CT 20
|
| DevelopmentNote |
Supersedes CEI 20-43. (11/2007) Supersedes CEI 20-21. (05/2008)
|
| DocumentType |
Standard
|
| Pages |
38
|
| PublisherName |
Comitato Elettrotecnico Italiano
|
| Status |
Current
|
| SupersededBy | |
| Supersedes |
| IEC 60228:2004 | Conductors of insulated cables |
| 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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