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IEC 62021-3:2014

Current
Current

The latest, up-to-date edition.

Insulating liquids - Determination of acidity - Part 3: Test methods for non-mineral insulating oils
Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English - French, Spanish, Castilian

Published date

03-19-2014

Publisher

International Electrotechnical Committee

IEC 62021-3:2014 describes two procedures for the determination of the acidity of unused and used electrical non-mineral insulating oils. Method A is potentiometric titration and Method B is colourimetric titration. The method may be used to indicate relative changes that occur in non-mineral insulating oil during use under oxidizing conditions regardless of the colour or other properties of the resulting non-mineral oil. The acidity can be used in the quality control of unused non-mineral insulating oil. As a variety of oxidation products present in used non-mineral insulating oil contribute to acidity and these products vary widely in their corrosion properties, the test cannot be used to predict corrosiveness of non-mineral insulating oil under service conditions.

Committee
TC 10
DevelopmentNote
Stability date: 2020. (03/2014)
DocumentType
Standard
Pages
50
PublisherName
International Electrotechnical Committee
Status
Current

12/30257150 DC : 0 BS EN 62770 - FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - UNUSED NATURAL ESTERS LIQUIDS FOR TRANSFORMERS AND SIMILAR ELECTRICAL EQUIPMENT
BS EN 60836:2015 Specifications for unused silicone insulating liquids for electrotechnical purposes
PD IEC/TS 62332-3:2016 Electrical insulation systems (EIS). Thermal evaluation of combined liquid and solid components Hermetic motor-compressors
I.S. EN IEC 61125:2018 INSULATING LIQUIDS - TEST METHODS FOR OXIDATION STABILITY - TEST METHOD FOR EVALUATING THE OXIDATION STABILITY OF INSULATING LIQUIDS IN THE DELIVERED STATE
IEC TS 62332-3:2016 Electrical insulation systems (EIS) - Thermal evaluation of combined liquid and solid components - Part 3: Hermetic motor-compressors
BS EN IEC 61125:2018 Insulating liquids. Test methods for oxidation stability. Test method for evaluating the oxidation stability of insulating liquids in the delivered state
IEC 61125:2018 Insulating liquids - Test methods for oxidation stability - Test method for evaluating the oxidation stability of insulating liquids in the delivered state
IEC 62770:2013 Fluids for electrotechnical applications - Unused natural esters for transformers and similar electrical equipment
UNE-EN 60836:2015 Specifications for unused silicone insulating liquids for electrotechnical purposes
CEI EN 62770 : 2014 FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - UNUSED NATURAL ESTERS FOR TRANSFORMERS AND SIMILAR ELECTRICAL EQUIPMENT
EN IEC 61125:2018 Insulating liquids - Test methods for oxidation stability - Test method for evaluating the oxidation stability of insulating liquids in the delivered state
BS EN 62770:2014 Fluids for electrotechnical applications. Unused natural esters for transformers and similar electrical equipment
PD IEC/TS 62332-2:2014 Electrical insulation systems (EIS). Thermal evaluation of combined liquid and solid components Simplified test
I.S. EN 60836:2015 SPECIFICATIONS FOR UNUSED SILICONE INSULATING LIQUIDS FOR ELECTROTECHNICAL PURPOSES
I.S. EN 62770:2014 FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - UNUSED NATURAL ESTERS FOR TRANSFORMERS AND SIMILAR ELECTRICAL EQUIPMENT
IEC 60836:2015 Specifications for unused silicone insulating liquids for electrotechnical purposes
UNE-EN 62770:2014 Fluids for electrotechnical applications - Unused natural esters for transformers and similar electrical equipment
IEC TS 62332-2:2014 Electrical insulation systems (EIS) - Thermal evaluation of combined liquid and solid components - Part 2: Simplified test
EN 62770:2014 Fluids for electrotechnical applications - Unused natural esters for transformers and similar electrical equipment
EN 60836:2015 Specifications for unused silicone insulating liquids for electrotechnical purposes

IEC 60475:2011 Method of sampling insulating liquids
ISO 6619:1988 Petroleum products and lubricants — Neutralization number — Potentiometric titration method

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Hardcopy - English - French
PDF - English - French
PDF 3 Users - English - French
PDF 5 Users - English - French
PDF 9 Users - English - French
Hardcopy - Spanish
PDF - Spanish
PDF 3 Users - Spanish
PDF 5 Users - Spanish
PDF 9 Users - Spanish
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