NF C27-221

NF C27-221

July 1974
Standard Cancelled

Method for the determination of the electric strength of insulatingoils.

Main informations

Collections

National standards and national normative documents

Publication date

July 1974

Number of pages

6 p.

Reference

NF C27-221

ICS Codes

29.040.99   Other insulating fluids

Classification index

C27-221

Print number

1

International kinship

IEC 60156:1963
Standard replaced by (1)
NF EN 60156
November 1995
Standard Current
Insulating liquids. Determination of the breakdown voltage at power frequency. Test method.

Ce document décrit la méthode de détermination de la tension de claquage diélectrique des isolants liquides à fréquence industrielle.

Table of contents
  • AVANT-PROPOS
  • 1 Généralités
  • 2 Principe
  • 3 Prélèvement
  • 4 Etat de l'huile
  • 5 Cellule d'essai
  • 6 Electrodes
  • 7 Préparation de la cellule
  • 8 Préparation de l'échantillon
  • 9 Technique d'essai
  • 10 Appareillage électrique
  • 11 Résultats
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