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  • NF EN 60247 : 2004

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    INSULATING LIQUIDS - MEASUREMENT OF RELATIVE PERMITTIVITY, DIELECTRIC DISSIPATION FACTOR (TAN DELTA) AND D.C. RESISTIVITY

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    Published date:  12-01-2013

    Publisher:  Association Francaise de Normalisation

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    Table of Contents - (Show below) - (Hide below)

    Avant-propos
    1 Domaine d'application
    2 Références normatives
    3 Termes et définitions
    4 Généralités
       4.1 Permittivité et facteur de dissipation diélectrique
           (tan delta)
       4.2 Résistivité
       4.3 Ordre des déterminations
       4.4 Facteurs pouvant conduire à des résultats erronés
    5 Appareillage
       5.1 Cellule d'essai
       5.2 Équipement d'essai
       5.3 Verrerie
       5.4 Dispositif de mesure de la permittivité et de la tan 8
       5.5 Dispositif de mesure de la résistivité en courant
           continu
       5.6 Chronomètre
       5.7 Sécurité
    6 Solvant de nettoyage
    7 Nettoyage de la cellule d'essai
       7.1 Procédure de nettoyage par le phosphate trisodique
       7.2 Stockage de la cellule
    8 Échantillonnage
    9 Préparation des échantillons
    10 Traitement et remplissage de la cellule d'essai
       10.1 Traitement de la cellule
       10.2 Remplissage de la cellule
    11 Température d'essai
    12 Mesure du facteur de dissipation (tan delta)
       12.1 Tension de mesure
       12.2 Mesure
       12.3 Rapport
    13 Mesure de la permittivité relative
       13.1 Méthode de mesure
       13.2 Rapport
    14 Mesure de la résistivité en courant continu
       14.1 Tension d'essai
       14.2 Durée de mise sous tension
       14.3 Mesure
       14.4 Rapport
    Annexe A (informative) Exemple de procédure possible pour
                           le nettoyage de la cellule d'essai
                           Procédure par ultrasons
    Annexe B (informative) Exemple de procédure simplifiée de
                           nettoyage de cellule
    Annexe C (informative) Autres procédures pour les essais
                           individuels de série du facteur de
                           dissipation diélectrique et de la
                           résistivité des liquides isolants
    Annexe ZA (normative) Références normatives à d'autres
                          publications internationales avec
                          les publications européennes
                          correspondantes

    Abstract - (Show below) - (Hide below)

    Defines methods for the determination of the dielectric dissipation factor (tan delta), relative permittivity and d.c. resistivity of any insulating liquid material at the test temperature. The methods are primarily intended for making reference tests on unused liquids.

    General Product Information - (Show below) - (Hide below)

    Development Note Indice de classement: C27-210. PR NF EN 60247 December 2001. (01/2002) Supersedes NFC 27 210. (08/2004)
    Document Type Standard
    Publisher Association Francaise de Normalisation
    Status Current
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    NF ISO 10050 : 2006 LUBRICANTS, INDUSTRIAL OILS AND RELATED PRODUCTS (CLASS L) - FAMILY T (TURBINES) - SPECIFICATIONS OF TRIARYL PHOSPHATE ESTER TURBINE CONTROL FLUIDS (CATEGORY ISO-L-TCD)

    Standards Referencing This Book - (Show below) - (Hide below)

    IEC 60250:1969 Recommended methods for the determination of the permittivity and dielectric dissipation factor of electrical insulating materials at power, audio and radio frequencies including metre wavelengths
    NF EN 61620 : 1999 INSULATING LIQUIDS - DETERMINATION OF THE DIELECTRIC DISSIPATION FACTOR BY MEASUREMENT OF THE CONDUCTANCE AND CAPACITANCE - TEST METHODS
    NFC 26 230 : 1970 METHODS OF TESTING INSULATING MATERIALS - RECOMMENDED METHODS FOR THE DETERMINATION OF THE PERMITTIVITY AND DIELECTRIC DISSIPATION FACTOR OF ELECTRICAL INSULATING MATERIAL AT POWER, AUDIO AND RADIO FREQUENCIES
    IEC 60475:2011 Method of sampling insulating liquids
    IEC 60093:1980 Methods of test for volume resistivity and surface resistivity of solid electrical insulating materials
    NFC 27 41975 : 1975 METHOD OF SAMPLING LIQUID DIELECTRICS
    IEC 61620:1998 Insulating liquids - Determination of the dielectric dissipation factor by measurement of the conductance and capacitance - Test method
    NFC 26 215 : 1982 METHODS OF TESTING INSULATING MATERIALS - METHODS OF TEST FOR VOLUME RESISTIVITY AND SURFACE RESISTIVITY OF SOLID ELECTRICAL INSULATING MATERIALS
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