NF EN 61620 : 1999
Current
The latest, up-to-date edition.
INSULATING LIQUIDS - DETERMINATION OF THE DIELECTRIC DISSIPATION FACTOR BY MEASUREMENT OF THE CONDUCTANCE AND CAPACITANCE - TEST METHODS
12-01-2013
AVANT-PROPOS
1 Domaine d'application
2 Références normatives
3 Définitions
4 Principe de fonctionnement
5 Appareillage
6 Echantillonnage
7 Etiquetage
8 Procédure
9 Expression des résultats
10 Rapport d'essais
11 Fidélité
Annexe A (normative) Procédure exhaustive de nettoyage
des cellules d'essai
Annexe B (normative) Procédure simplifiée de nettoyage
des cellules d'essai consacrées aux
mesures sur un seul type de liquide
Annexe C (informative) Considération générales sur les
facteurs influençant la conduction
des liquides
Annexe D (informative) Bibliographie
Annexe ZA - Référence normatives à d'autres publications
internationales avec les publications
européennes correspondantes
Covers a procedure for the simultaneous measurement of conductance G and capacitance C, which enables the calculating of the dielectric dissipation factor tan of insulating liquids. Applicable both to unused and inservice insulating liquids, in transformers and other electrical equipment.
| DevelopmentNote |
Indice de classement: C27-237 Supersedes NFC 27 237 (09/2005)
|
| DocumentType |
Standard
|
| PublisherName |
Association Francaise de Normalisation
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| IEC 61620:1998 | Identical |
| DIN EN 61620 : 1999 | Identical |
| BS EN 61620:1999 | Identical |
| NBN EN 61620 : 1999 | Identical |
| EN 61620:1999 | Identical |
| SN EN 61620 : 1999 | Identical |
| UNE-EN 61620:1999 | Identical |
| I.S. EN 61620:1999 | Identical |
| NF EN 60247 : 2004 | INSULATING LIQUIDS - MEASUREMENT OF RELATIVE PERMITTIVITY, DIELECTRIC DISSIPATION FACTOR (TAN DELTA) AND D.C. RESISTIVITY |
| ISO 5725-1:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions |
| ISO 5725-3:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 3: Intermediate measures of the precision of a standard measurement method |
| IEC 60475:2011 | Method of sampling insulating liquids |
| ISO 5725-4:1994 | Accuracy (trueness and precision) of measurement methods and results Part 4: Basic methods for the determination of the trueness of a standard measurement method |
| IEC 60248:1984 | Dimensions of planchets used in nuclear electronic instruments |
| NFC 27 41975 : 1975 | METHOD OF SAMPLING LIQUID DIELECTRICS |
| ISO 5725-2:1994 | Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method |
| NFC 27 210 : 1979 | MEASUREMENT OF RELATIVE PERMITTIVITY, DIELECTRIC DISSIPATION FACTOR AND D.C. RESISTIVITY OF INSULATING LIQUIDS |
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