I.S. EN 62770:2014
Current
The latest, up-to-date edition.
FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - UNUSED NATURAL ESTERS FOR TRANSFORMERS AND SIMILAR ELECTRICAL EQUIPMENT
Hardcopy , PDF
English
01-01-2014
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FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Properties, their significance
and test methods
5 Classification, identification, general
delivery requirements
and sampling
Annex A (normative) - Summary of the test
method for evaluating oxidation
stability of unused natural esters
Annex B (informative) - Specifications of
low-viscosity insulating fluids
derived from natural esters
Bibliography
Annex ZA (normative) - Normative
references to international
publications with their
corresponding European
publications
Explains specifications and test methods for unused natural esters in transformers and similar oil-impregnated electrical equipment in which a liquid is required as an insulating and heat transfer medium.
| 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 |
46
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Standards | Relationship |
| EN 62770:2014 | Identical |
| ISO 3016:1994 | Petroleum products Determination of pour point |
| ISO 2719:2016 | Determination of flash point — Pensky-Martens closed cup method |
| EN 60156:1995 | Insulating liquids - Determination of the breakdown voltage at power frequency - Test method |
| IEC 61125:1992 | Unused hydrocarbon based insulating liquids - Test methods for evaluating the oxidation stability |
| ISO 3675:1998 | Crude petroleum and liquid petroleum products Laboratory determination of density Hydrometer method |
| IEC 61039:2008 | Classification of insulating liquids |
| IEC 60422:2013 | Mineral insulating oils in electrical equipment - Supervision and maintenance guidance |
| IEC 60156:1995 | Insulating liquids - Determination of the breakdown voltage at power frequency - Test method |
| IEC 60050-212:2010 | International Electrotechnical Vocabulary (IEV) - Part 212: Electrical insulating solids, liquids and gases |
| EN 61125:1993/A1:2004 | UNUSED HYDROCARBON-BASED INSULATING LIQUIDS - TEST METHODS FOR EVALUATING THE OXIDATION STABILITY |
| EN 61619:1997 | Insulating liquids - Contamination by polychlorinated biphenyls (PCBs) - Method of determination by capillary column gas chromatography |
| IEC 60076-14:2013 | Power transformers - Part 14: Liquid-immersed power transformers using high-temperature insulation materials |
| IEC 62535:2008 | Insulating liquids - Test method for detection of potentially corrosive sulphur in used and unused insulating oil |
| IEC 60475:2011 | Method of sampling insulating liquids |
| EN 61100:1992 | Classification of insulating liquids according to fire point and net calorific value |
| IEC 61100:1992 | Classification of insulating liquids according to fire-point and net calorific value |
| EN 61620:1999 | Insulating liquids - Determination of the dielectric dissipation factor by measurement of the conductance and capacitance - Test method |
| IEC 61099:2010 | Insulating liquids - Specifications for unused synthetic organic esters for electrical purposes |
| IEC 61868:1998 | Mineral insulating oils - Determination of kinematic viscosity at very low temperatures |
| EN 61198:1994 | Mineral insulating oils - Methods for the determination of 2-furfural and related compounds |
| EN 60814:1997 | Insulating liquids - Oil-impregnated paper and pressboard - Determination of water by automatic coulometric Karl Fischer titration |
| EN 62535:2009 | Insulating liquids - Test method for detection of potentially corrosive sulphur in used and unused insulating oil |
| ASTM D 1275 : 2015 | Standard Test Method for Corrosive Sulfur in Electrical Insulating Liquids |
| EN 62697-1:2012 | Test methods for quantitative determination of corrosive sulfur compounds in unused and used insulating liquids - Part 1: Test method for quantitative determination of dibenzyldisulfide (DBDS) |
| IEC 60296:2012 RLV | Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear |
| ISO 12185:1996 | Crude petroleum and petroleum products — Determination of density — Oscillating U-tube method |
| IEC 60050-421:1990 | International Electrotechnical Vocabulary (IEV) - Part 421: Power transformers and reactors |
| EN 60296:2012 | Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear |
| EN 62021-3:2014 | Insulating liquids - Determination of acidity - Part 3: Test methods for non mineral insulating oils |
| IEC 62697-1:2012 | Test methods for quantitative determination of corrosive sulfur compounds in unused and used insulating liquids - Part 1: Test method for quantitative determination of dibenzyldisulfide (DBDS) |
| EN 60247:2004 | Insulating liquids - Measurement of relative permittivity, dielectric dissipation factor (tan d) and d.c. resistivity |
| EN 60076-14:2013 | Power transformers - Part 14: Liquid-immersed power transformers using high-temperature insulation materials |
| IEC 60666:2010 | Detection and determination of specified additives in mineral insulating oils |
| IEC 61620:1998 | Insulating liquids - Determination of the dielectric dissipation factor by measurement of the conductance and capacitance - Test method |
| IEC 60814:1997 | Insulating liquids - Oil-impregnated paper and pressboard - Determination of water by automatic coulometric Karl Fischer titration |
| IEC 60247:2004 | Insulating liquids - Measurement of relative permittivity, dielectric dissipation factor (tan d) and d.c. resistivity |
| IEC 61619:1997 | Insulating liquids - Contamination by polychlorinated biphenyls (PCBs) - Method of determination by capillary column gas chromatography |
| IEC 61198:1993 | Mineral insulating oils - Methods for the determination of 2-furfural and related compounds |
| IEEE C57.147-2008 | IEEE Guide for Acceptance and Maintenance of Natural Ester Fluids in Transformers |
| EN 60475:2011 | Method of sampling insulating liquids |
| IEC 62021-3:2014 | Insulating liquids - Determination of acidity - Part 3: Test methods for non-mineral insulating oils |
| EN 60666 : 2010 | DETECTION AND DETERMINATION OF SPECIFIED ADDITIVES IN MINERAL INSULATING OILS |
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