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CEI EN 60247 : 2004

Current
Current

The latest, up-to-date edition.

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

Hardcopy , PDF

Language(s)

English - Italian

Published date

01-01-2004

Introduction
1. Scope
2. Normative references
3. Terms and definitions
4. General
5. Apparatus
6. Cleaning solvent
7. Cleaning the test cell
8. Sampling
9. Preparation of samples
10. Conditioning and filling the test cell
11. Test temperature
12. Measurement of dissipation factor (tan Delta)
13. Measurement of relative permittivity
14. Measurement of d.c. resistivity
Annex A (informative) - Example of an alternative
        procedure for cleaning the test cell
        Ultrasonic procedure
Annex B (informative) - Example of a simplified
        cleaning procedure for a test cell
        Ultrasonic procedure
Annex C (informative) - Alternative procedures
        for routine testing of dielectric dissipation
        factor and resistivity of insulating liquids
Annex ZA (normative) - Normative references
         to international publications with their
         corresponding European publications

Defines the 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.

Committee
CT 10
DevelopmentNote
Classificazione CEI 10-9. (01/2005)
DocumentType
Standard
Pages
50
PublisherName
Comitato Elettrotecnico Italiano
Status
Current
Supersedes

Standards Relationship
EN 60247:2004 Identical

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
IEC 60475:2011 Method of sampling insulating liquids
EN 61620:1999 Insulating liquids - Determination of the dielectric dissipation factor by measurement of the conductance and capacitance - Test method
HD 429 : 200S1 METHODS OF TEST FOR VOLUME RESISTIVITY AND SURFACE RESISTIVITY OF SOLID ELECTRICAL INSULATING MATERIALS
IEC 60093:1980 Methods of test for volume resistivity and surface resistivity of solid electrical insulating materials
IEC 61620:1998 Insulating liquids - Determination of the dielectric dissipation factor by measurement of the conductance and capacitance - Test method
CEI 15-23 : 1997 METHODS OF THE TEST FOR VOLUME RESISTIVITY AND SURFACE RESISTIVITY OF SOLID ELECTRICAL INSULATING MATERIALS

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