NF EN 50464-4

NF EN 50464-4

August 2007
Standard Cancelled

Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2 500 kVA with highest voltage for equipment not exceeding 36 kV - Part 4 : requirements and tests concerning pressurised corrugated tanks

Le présent document est applicable aux procédures d'essai destinées à vérifier la résistance mécanique des cuves ondulées de transformateurs de distribution complètement remplis d'huile et hermétiquement scellés.

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Main informations

Collections

National standards and national normative documents

Publication date

August 2007

Number of pages

7 p.

Reference

NF EN 50464-4

ICS Codes

29.180   Transformers. Reactors

Classification index

C52-112-4

Print number

1

European kinship

EN 50464-4:2007
Sumary
Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2 500 kVA with highest voltage for equipment not exceeding 36 kV - Part 4 : requirements and tests concerning pressurised corrugated tanks

Le présent document est applicable aux procédures d'essai destinées à vérifier la résistance mécanique des cuves ondulées de transformateurs de distribution complètement remplis d'huile et hermétiquement scellés.
Table of contents
  • 1 Domaine d'application
    4
  • 2 Références normatives
    4
  • 3 Conditions générales
    4
  • 3.1 Variation de température
    4
  • 3.2 Température d'accrochage
    4
  • 3.3 Calcul de la variation de volume
    4
  • 4 Procédure d'essai
    4
  • 4.1 Généralités
    4
  • 4.2 Mesure de la gamme de pression
    4
  • 4.3 Essai d'endurance
    5
  • 4.4 Essai de fuite
    5
  • 4.5 Évaluation des essais
    5
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