CEI EN 60247 : 2004
Current
The latest, up-to-date edition.
INSULATING LIQUIDS - MEASUREMENT OF RELATIVE PERMITTIVITY, DIELECTRIC DISSIPATION FACTOR (TAN DELTA) AND D.C. RESISTIVITY
Hardcopy , PDF
English - Italian
01-01-2004
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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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