I.S. EN 61203:1995
Current
The latest, up-to-date edition.
SYNTHETIC ORGANIC ESTERS FOR ELECTRICAL PURPOSES - GUIDE FOR MAINTENANCE OF TRANSFORMER ESTERS IN EQUIPMENT
Hardcopy , PDF
English
01-01-1995
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
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FOREWORD
1 Scope
2 Normative references
3 Tests and their significance
3.1 Colour and appearance
3.2 Density
3.3 Kinematic viscosity
3.4 Flash point - Fire point
3.5 Water content
3.6 Neutralization value
3.7 Breakdown voltage
3.8 D.C. resistivity
3.9 Dielectric dissipation factor
3.10 Diagnosis by gas analysis (IEC 567 and IEC 599)
4 Frequency of examination of liquids in service
5 Sampling
6 Testing procedures
6.1 Field screening tests
6.2 Laboratory tests
7 Classification of esters in service
8 Treatment of ester liquids in group 2
8.1 Vacuum treatment and filtration
8.2 Molecular sieve and filtration
9 Materials used for maintenance equipment
ANNEX ZA (normative) OTHER INTERNATIONAL PUBLICATIONS
QUOTED IN THIS STANDARD WITH THE REFERENCES OF THE
RELEVANT EUROPEAN PUBLICATIONS
Assists the equipment operator in assessing the quality of the liquid during use in the equipment and maintaining it in a serviceable condition.
| DevelopmentNote |
For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
|
| DocumentType |
Standard
|
| Pages |
24
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Standards | Relationship |
| UNE-EN 61203:1996 | Identical |
| NBN EN 61203 : 1995 | Identical |
| NF EN 61203 : 1994 | Identical |
| SN EN 61203 : 1994 | Identical |
| BS EN 61203:1995 | Identical |
| DIN EN 61203 : 1995 | Identical |
| EN 61203:1994 | Identical |
| IEC 61203:1992 | Identical |
| HD 397 : 200S1 | INTERPRETATION OF THE ANALYSIS OF GASES IN TRANSFORMERS AND OTHER OIL-FILLED ELECTRICAL EQUIPMENT IN SERVICE |
| IEC 60599:2015 | Mineral oil-filled electrical equipment in service - Guidance on the interpretation of dissolved and free gases analysis |
| EN 61099:2010 | Insulating liquids - Specifications for unused synthetic organic esters for electrical purposes |
| IEC 60567:2011 | Oil-filled electrical equipment - Sampling of gases and analysis of free and dissolved gases - Guidance |
| IEC 61099:2010 | Insulating liquids - Specifications for unused synthetic organic esters for electrical purposes |
| EN 60567:2011 | OIL-FILLED ELECTRICAL EQUIPMENT - SAMPLING OF GASES AND ANALYSIS OF FREE AND DISSOLVED GASES - GUIDANCE (IEC 60567:2011) |
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