CEI 20-21/2-1 : 2007
Current
The latest, up-to-date edition.
ELECTRIC CABLES - CALCULATION OF THE CURRENT RATING - PART 2-1: THERMAL RESISTANCE - CALCULATION OF THERMAL RESISTANCE
Hardcopy , PDF
English
01-01-2007
FOREWORD
INTRODUCTION
1 General
2 Calculation of thermal resistances
3 Digital calculation of quantities given graphically
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, in 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 |
46
|
| PublisherName |
Comitato Elettrotecnico Italiano
|
| Status |
Current
|
| SupersededBy | |
| Supersedes |
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