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EN 61203:1994

Current
Current

The latest, up-to-date edition.

Synthetic organic esters for electrical purposes - Guide for maintenance of transformer esters in equipment
Published date

07-09-1994

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

Guide to the maintenance of synthetic organic esters, originally complying with the requirements of EN 61099, in transformers with rated voltages up to 35 kV.

Committee
CLC/SR 10
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current

Standards Relationship
NF EN 61203 : 1994 Identical
IEC 61203:1992 Identical
NBN EN 61203 : 1995 Identical
NEN 11203 : 1994 Identical
I.S. EN 61203:1995 Identical
PN EN 61203 : 2003 Identical
SN EN 61203 : 1994 Identical
DIN EN 61203 : 1995 Identical
VDE 0375-2 : 1995 Identical
BS EN 61203:1995 Identical
UNE-EN 61203:1996 Identical
CEI EN 61203 : 1996 Identical

S.R. CLC/TR 50503:2010 GUIDELINES FOR THE INVENTORY CONTROL, MANAGEMENT, DECONTAMINATION AND/OR DISPOSAL OF ELECTRICAL EQUIPMENT AND INSULATING LIQUIDS CONTAINING PCBS
BS EN 60695-1-40:2014 Fire hazard testing Guidance for assessing the fire hazard of electrotechnical products. Insulating liquids
I.S. EN 60695-1-40:2014 FIRE HAZARD TESTING - PART 1-40: GUIDANCE FOR ASSESSING THE FIRE HAZARD OF ELECTROTECHNICAL PRODUCTS - INSULATING LIQUIDS
UNE-EN 60695-1-40:2014 Fire hazard testing - Part 1-40: Guidance for assessing the fire hazard of electrotechnical products - Insulating liquids
CLC/TR 50503 : 2010 Guidelines for the inventory control, management, decontamination and/or disposal of electrical equipment and insulating liquids containing PCBs
CEI EN 60695-1-40 : 2014 FIRE HAZARD TESTING - PART 1-40: GUIDANCE FOR ASSESSING THE FIRE HAZARD OF ELECTROTECHNICAL PRODUCTS - INSULATING LIQUIDS
EN 60695-1-40:2014 Fire hazard testing - Part 1-40: Guidance for assessing the fire hazard of electrotechnical products - Insulating liquids

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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