• IEC 60567:2011

    Current The latest, up-to-date edition.

    Oil-filled electrical equipment - Sampling of gases and analysis of free and dissolved gases - Guidance

    Available format(s):  Hardcopy, PDF, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Language(s):  English - French, Spanish, Castilian

    Published date:  20-10-2011

    Publisher:  International Electrotechnical Committee

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    Table of Contents - (Show below) - (Hide below)

    FOREWORD
    INTRODUCTION
    1 Scope
    2 Normative references
    3 Sampling of gases from gas-collecting (Buchholz) relays
    4 Labelling of gas samples
    5 Sampling, labelling and transferring of oil from
       oil-filled equipment
    6 Preparation of gas-in-oil standards
    7 Extraction of gases from oil
    8 Gas analysis by gas-solid chromatography
    9 Quality control
    10 Report of results
    Annex A (informative) - Correction for incomplete gas
            extraction in partial degassing method by calculation
    Annex B (informative) - Mercury-free and shake test versions
            of the standard extraction methods
    Annex C (informative) - Preparation of air-saturated standards
    Annex D (informative) - Correction for gas bubbles in syringes
            and air gap in rigid bottles
    Annex E (informative) - Procedure for comparing gas monitor
            readings to laboratory results
    Bibliography

    Abstract - (Show below) - (Hide below)

    IEC 60567:2011 deals with the techniques for sampling free gases from gas-collecting relays from power transformers. Three methods of sampling free gases are described. The techniques described take account, on the one hand, of the problems peculiar to analyses associated with acceptance testing in the factory, where gas contents of oil are generally very low and, on the other hand, of the problems imposed by monitoring equipment in the field, where transport of samples may be by un-pressurized air freight and where considerable differences in ambient temperature may exist between the plant and the examining laboratory. Since the publication of the previous edition, CIGRE TF.D1.01.15 has made progress in several areas of dissolved gas analysis (DGA). These advances are included in this fourth edition.

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    Committee TC 10
    Development Note Stability Date: 2017. (10/2012)
    Document Type Standard
    Publisher International Electrotechnical Committee
    Status Current
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    02/209876 DC : DRAFT NOV 2002 IEC 62332 TS ED.1 - ELECTRICAL INSULATION SYSTEMS (EIS) - THERMAL EVALUATION OF COMBINED LIQUID AND SOLID COMPONENTS
    BIS IS 16099 : 2013 SYNTHETIC ORGANIC ESTERS FOR ELECTRICAL PURPOSES - GUIDE FOR MAINTENANCE OF TRANSFORMER ESTERS IN EQUIPMENT
    DD IEC TS 60076-14 : DRAFT 2009 POWER TRANSFORMERS - PART 14: DESIGN AND APPLICATION OF LIQUID-IMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS
    09/30213532 DC : 0 BS EN 60475 - METHOD OF SAMPLING LIQUID DIELECTRICS
    NBR 8663 : 1984 ASCAREIS PARA APLICACOES ELETRICAS - ENSAIOS
    CEI EN 60044-8 : 2004 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRASFORMERS
    BS EN 60076-2 : 2011 POWER TRANSFORMERS - PART 2: TEMPERATURE RISE FOR LIQUID-IMMERSED TRANSFORMERS
    I.S. EN 60422:2013 MINERAL INSULATING OILS IN ELECTRICAL EQUIPMENT - SUPERVISION AND MAINTENANCE GUIDANCE (IEC 60422:2013 (EQV))
    DIN EN 61198 : 1995 MINERAL INSULATING OILS - METHODS FOR THE DETERMINATION OF 2-FURFURAL AND RELATED COMPOUNDS
    PD IEC/TR 62874:2015 Guidance on the interpretation of carbon dioxide and 2-furfuraldehyde as markers of paper thermal degradation in insulating mineral oil
    BS EN 61869-1 : 2009 INSTRUMENT TRANSFORMERS - PART 1: GENERAL REQUIREMENTS
    BIS IS/IEC 60044-1 : 2003 INSTRUMENT TRANSFORMERS - PART 1: CURRENT TRANSFORMERS
    16/30336914 DC : 0 BS EN 60076-57-129 ED 1.0 - CONVERTOR TRANSFORMERS - PART 57-129: TRANSFORMERS FOR HVDC APPLICATIONS
    BS EN 60044-1 : 1999 INSTRUMENT TRANSFORMERS - PART 1: CURRENT TRANSFORMERS
    ASTM D 3612 : 2002 : EDT 1 Standard Test Method for Analysis of Gases Dissolved in Electrical Insulating Oil by Gas Chromatography
    10/30233636 DC : 0 IEC 62697-1 ED.1 - INSULATING LIQUIDS - QUANTITATIVE DETERMINATION OF CORROSIVE SULFUR COMPOUNDS IN USED AND UNUSED INSULATING LIQUIDS - PART 1: TEST METHOD FOR QUANTITATIVE DETERMINATION OF DIBENZYL DISULFIDE (DBDS)
    BS EN 62535 : 2009 INSULATING LIQUIDS - TEST METHOD FOR DETECTION OF POTENTIALLY CORROSIVE SULPHUR IN USED AND UNUSED INSULATING OIL
    NF EN 62021-2 : 2007 INSULATING LIQUIDS - DETERMINATION OF ACIDITY - PART 2: COLOURIMETRIC TITRATION
    BS EN 62697-1:2012 Test methods for quantitative determination of corrosive sulphur compounds in unused and used insulating liquids Test method for quantitative determination of dibenzyldisulfide (DBDS)
    17/30331680 DC : 0 BS ISO 18095 - CONDITION MONITORING AND DIAGNOSTICS OF POWER TRANSFORMERS
    NF EN 61869-1 : 2009 INSTRUMENT TRANSFORMERS - PART 1: GENERAL REQUIREMENTS
    CEI EN 60076-14 : 2014 POWER TRANSFORMERS - PART 14: LIQUID-IMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS
    13/30285368 DC : 0 BS EN 60599 - MINERAL OIL-IMPREGNATED ELECTRICAL EQUIPMENT IN SERVICE - GUIDE TO THE INTERPRETATION OF DISSOLVED AND FREE GASES ANALYSIS
    BS EN 60076-14 : 2013 POWER TRANSFORMERS - PART 14: LIQUID-IMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS
    07/30170365 DC : DRAFT AUG 2007 BS EN 60076-2 - POWER TRANSFORMERS - PART 2: TEMPERATURE-RISE FOR OIL-IMMERSED TRANSFORMERS
    06/30159746 DC : 0 BS EN 50503 - FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - STANDARD FOR THE INVENTORY CONTROL, MANAGEMENT, DECONTAMINATION AND/OR DISPOSAL OF ELECTRICAL EQUIPMENT AND INSULATING LIQUIDS CONTAINING PCBS
    BS EN 61619 : 1997 INSULATING LIQUIDS - CONTAMINATION BY POLYCHLORINATED BIPHENYLS (PCBS) - METHOD OF DETERMINATION BY CAPILLARY COLUMN GAS CHROMATOGRAPHY
    BS PD IEC TR 62697-3 : 2018 TEST METHODS FOR QUANTITATIVE DETERMINATION OF CORROSIVE SULFUR COMPOUNDS IN UNUSED AND USED INSULATING LIQUIDS - PART 3: TEST METHOD FOR QUANTITATIVE DETERMINATION OF ELEMENTAL SULFUR
    BS EN 60422:2013 (published 2014-03) Mineral insulating oils in electrical equipment. Supervision and maintenance guidance
    02/207269 DC : 0 IEC 60422 ED.3 - SUPERVISION AND MAINTENANCE GUIDE FOR MINERAL INSULATING OILS IN ELECTRICAL EQUIPMENT
    BS EN 60475:2011 Method of sampling insulating liquids
    NF EN 60044-1 : 2000 AMD 2 2003 INSTRUMENT TRANSFORMERS - PART 1: CURRENT TRANSFORMERS
    IEEE 1861 : 2014 GUIDE FOR ON-SITE ACCEPTANCE TESTS OF ELECTRICAL EQUIPMENT AND SYSTEM COMMISSIONING OF 1000 KV AC AND ABOVE
    I.S. EN 61203:1995 SYNTHETIC ORGANIC ESTERS FOR ELECTRICAL PURPOSES - GUIDE FOR MAINTENANCE OF TRANSFORMER ESTERS IN EQUIPMENT
    BS EN 61378-2 : 2001 CONVERTOR TRANSFORMERS - PART 2: TRANSFORMERS FOR HVDC APPLICATIONS
    NF EN 60475 : 2012 METHOD OF SAMPLING INSULATING LIQUIDS
    NF EN 60599 : 2016 MINERAL OIL-FILLED ELECTRICAL EQUIPMENT IN SERVICE - GUIDANCE ON THE INTERPRETATION OF DISSOLVED AND FREE GASES ANALYSIS
    03/108065 DC : DRAFT MAY 2003 IEC 60044-1 ED.2 - INSTRUMENT TRANSFORMERS - PART 1: CURRENT TRANSFORMERS
    BS IEC 61378-3 : 2015 CONVERTER TRANSFORMERS - PART 3: APPLICATION GUIDE
    UNE-EN 60076-14:2014 Power transformers - Part 14: Liquid-immersed power transformers using high-temperature insulation materials
    12/30263868 DC : 0 BS EN 60076-14 - POWER TRANSFORMERS - PART 14: LIQUID-IMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS
    BS EN 62021-2 : 2007 INSULATING LIQUIDS - DETERMINATION OF ACIDITY - PART 2: COLOURIMETRIC TITRATION
    BS PD IEC TS 62332-2 : 2014 ELECTRICAL INSULATION SYSTEMS (EIS) - THERMAL EVALUATION OF COMBINED LIQUID AND SOLID COMPONENTS - PART 2: SIMPLIFIED TEST
    10/30215366 DC : 0 BS EN 60422 - MINERAL INSULATING OILS IN ELECTRICAL EQUIPMENT - SUPERVISION AND MAINTENANCE GUIDANCE
    DD IEC TS 62332-1 : 2011 ELECTRICAL INSULATION SYSTEMS (EIS) - THERMAL EVALUATION OF COMBINED LIQUID AND SOLID COMPONENTS - PART 1: GENERAL REQUIREMENTS
    03/100561 DC : DRAFT JULY 2003 IEC 60422 ED.3 - SUPERVISION AND MAINTENANCE GUIDE FOR MINERAL INSULATING OILS IN ELECTRICAL EQUIPMENT
    CEI EN 62021-2 : 2007 INSULATING LIQUIDS - DETERMINATION OF ACIDITY - PART 2: COLOURIMETRIC TITRATION
    DIN EN 61203 : 1995 SYNTHETIC ORGANIC ESTERS FOR ELECTRICAL PURPOSES - GUIDE FOR MAINTENANCE OF TRANSFORMER ESTERS IN EQUIPMENT
    VDE 0414-1 : 2001 INSTRUMENT TRANSFORMERS - PART 1: CURRENT TRANSFORMERS
    CEI EN 60475 : 2012 METHOD OF SAMPLING INSULATING LIQUIDS
    04/30126624 DC : DRAFT DEC 2004 IEC 61181 ED.2 - IMPREGNATED INSULATING MATERIALS - APPLICATION OF DISSOLVED GAS ANALYSIS (DGA) TO FACTORY TESTS ON ELECTRICAL EQUIPMENT
    98/202856 DC : 0 PREN 60044-1 - INSTRUMENT TRANSFORMERS - PART 1: CURRENT TRANSFORMERS
    VDE 0380-6 : 1995 MINERAL INSULATING OILS - METHODS FOR THE DETERMINATION OF 2-FURFUROL AND RELATED COMPOUNDS
    CLC/TR 50503 : 2010 Guidelines for the inventory control, management, decontamination and/or disposal of electrical equipment and insulating liquids containing PCBs
    UNE-EN 60475:2013 Method of sampling insulating liquids
    S.R. CLC/TR 50503:2010 GUIDELINES FOR THE INVENTORY CONTROL, MANAGEMENT, DECONTAMINATION AND/OR DISPOSAL OF ELECTRICAL EQUIPMENT AND INSULATING LIQUIDS CONTAINING PCBS
    IEC TR 62697-3:2018 Test methods for quantitative determination of corrosive sulfur compounds in unused and used insulating liquids - Part 3: Test method for quantitative determination of elemental sulfur
    IEC TS 62332-2:2014 Electrical insulation systems (EIS) - Thermal evaluation of combined liquid and solid components - Part 2: Simplified test
    CSA C60044-1 : 2007 : R2011 INSTRUMENT TRANSFORMERS - PART 1: CURRENT TRANSFORMERS
    CSA C60044-1 : 2007 INSTRUMENT TRANSFORMERS - PART 1: CURRENT TRANSFORMERS
    CSA C60044-2 : 2007 INSTRUMENT TRANSFORMERS - PART 2: INDUCTIVE VOLTAGE TRANSFORMERS
    IEC/IEEE 60076-57-129:2017 Power transformers - Part 57-129: Transformers for HVDC applications
    CSA C60044-8 :2007 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRANSFORMERS
    CSA C60044-2 : 2007 : R2011 INSTRUMENT TRANSFORMERS - PART 2: INDUCTIVE VOLTAGE TRANSFORMERS
    CSA C60044-8 : 2007 : R2011 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRANSFORMERS
    BS EN 60044-8:2002 Instrument transformers Electronic current transformers
    CSA C60044-8 : 2007 : R2016 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRANSFORMERS
    CEI EN 61869-1 : 2010 INSTRUMENT TRANSFORMERS - PART 1: GENERAL REQUIREMENTS
    I.S. EN 60044-8:2002 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRANSFORMERS
    I.S. EN 60076-2:2011 POWER TRANSFORMERS - PART 2: TEMPERATURE RISE FOR LIQUID-IMMERSED TRANSFORMERS
    BS EN 60599:2016 Mineral oil-filled electrical equipment in service. Guidance on the interpretation of dissolved and free gases analysis
    I.S. EN 62146-1:2014 GRADING CAPACITORS FOR HIGH-VOLTAGE ALTERNATING CURRENT CIRCUIT-BREAKERS - PART 1: GENERAL
    I.S. EN 61198:1994 MINERAL INSULATING OILS - METHODS FOR THE DETERMINATION OF 2-FURFURAL AND RELATED COMPOUNDS
    IEC TR 62874:2015 Guidance on the interpretation of carbon dioxide and 2-furfuraldehyde as markers of paper thermal degradation in insulating mineral oil
    CEI EN 61378-2 : 2002 CONVERTOR TRANSFORMERS - PART 2: TRANSFORMERS FOR HVDC APPLICATIONS
    I.S. EN 61181:2007 MINERAL OIL-FILLED ELECTRICAL EQUIPMENT - APPLICATION OF DISSOLVED GAS ANALYSIS (DGA) TO FACTORY TESTS ON ELECTRICAL EQUIPMENT (IEC 61181:2007 (EQV))
    IEC TR 62697-2:2018 Test methods for quantitative determination of corrosive sulfur compounds in unused and used insulating liquids - Part 2: Test method for quantitative determination of total corrosive sulfur (TCS)
    BS EN 61181 : 2007 MINERAL OIL-FILLED ELECTRICAL EQUIPMENT - APPLICATION OF DISSOLVED GAS ANALYSIS (DGA) TO FACTORY TESTS ON ELECTRICAL EQUIPMENT
    BS EN 62146-1 : 2014 GRADING CAPACITORS FOR HIGH-VOLTAGE ALTERNATING CURRENT CIRCUIT-BREAKERS - PART 1: GENERAL (IEC 62146-1:2013)
    I.S. EN 61869-1:2009 INSTRUMENT TRANSFORMERS - PART 1: GENERAL REQUIREMENTS
    I.S. EN 60475:2011 METHOD OF SAMPLING INSULATING LIQUIDS (IEC 60475:2011 (EQV))
    I.S. EN 62535:2009 INSULATING LIQUIDS - TEST METHOD FOR DETECTION OF POTENTIALLY CORROSIVE SULPHUR IN USED AND UNUSED INSULATING OIL
    I.S. EN 60076-14:2013 POWER TRANSFORMERS - PART 14: LIQUIDIMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS (IEC 60076-14:2013 (EQV))
    CSA C61869-1 : 2014 INSTRUMENT TRANSFORMERS - PART 1: GENERAL REQUIREMENTS
    I.S. 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 62697-1:2012 (EQV))
    ASTM D 3612 : 2002 : R2017 Standard Test Method for Analysis of Gases Dissolved in Electrical Insulating Oil by Gas Chromatography
    IEC 61378-3:2015 Converter transformers - Part 3: Application guide
    BIS IS 16085 : 2013 MINERAL OIL-FILLED ELECTRICAL EQUIPMENT - APPLICATION OF DISSOLVED GAS ANALYSIS (DGA) TO FACTORY TESTS ON ELECTRICAL EQUIPMENT
    I.S. EN 62021-2:2007 INSULATING LIQUIDS - DETERMINATION OF ACIDITY - PART 2: COLOURIMETRIC TITRATION
    ASTM D 3612 : 2002 : R2009 Standard Test Method for Analysis of Gases Dissolved in Electrical Insulating Oil by Gas Chromatography
    ASTM D 3612 : 2002 Standard Test Method for Analysis of Gases Dissolved in Electrical Insulating Oil by Gas Chromatography
    UNE-EN 60599:2016 Mineral oil-filled electrical equipment in service - Guidance on the interpretation of dissolved and free gases analysis
    NF EN 61181 : 2007 AMD 1 2012 MINERAL OIL-FILLED ELECTRICAL EQUIPMENT - APPLICATION OF DISSOLVED GAS ANALYSIS (DGA) TO FACTORY TESTS ON ELECTRICAL EQUIPMENT
    VDE 0375-2 : 1995 SYNTHETIC ORGANIC ESTERS FOR ELECTRICAL PURPOSES - GUIDE FOR MAINTENANCE OF TRANSFORMER ESTERS IN EQUIPMENT
    11/30250867 DC : 0 BS EN 62021-3 - INSULATING LIQUIDS - DETERMINATION OF ACIDITY - PART 3: TEST METHODS FOR NON MINERAL INSULATING OILS
    BS EN 60814 : 1998 INSULATING LIQUIDS - OIL-IMPREGNATED PAPER AND PRESSBOARD - DETERMINATION OF WATER BY AUTOMATIC COULOMETRIC KARL FISCHER TITRATION
    CEI 14-42 : 2011 CONVERTER TRANSFORMERS - PART 3: APPLICATION GUIDE
    CEI EN 60076-2 : 2015 POWER TRANSFORMERS - PART 2: TEMPERATURE RISE FOR LIQUID-IMMERSED TRANSFORMERS
    IEC 61869-1:2007 Instrument transformers - Part 1: General requirements
    IEC 60599 REDLINE : 3ED 2015 MINERAL OIL-FILLED ELECTRICAL EQUIPMENT IN SERVICE - GUIDANCE ON THE INTERPRETATION OF DISSOLVED AND FREE GASES ANALYSIS
    I.S. EN 60599:2016 MINERAL OIL-FILLED ELECTRICAL EQUIPMENT IN SERVICE - GUIDANCE ON THE INTERPRETATION OF DISSOLVED AND FREE GASES ANALYSIS
    I.S. EN 60814:1998 INSULATING LIQUIDS - OIL-IMPREGNATED PAPER AND PRESSBOARD - DETERMINATION OF WATER BY AUTOMATIC COULOMETRIC KARL FISCHER TITRATION
    ASTM D 345 : 2002 Side bearings of the freight wagon bogies. General specifications
    IEC TS 62332-1:2011 Electrical insulation systems (EIS) - Thermal evaluation of combined liquid and solid components - Part 1: General requirements
    IEC TS 60076-14:2009 Power transformers - Part 14: Design and application of liquid-immersed power transformers using high-temperature insulation materials
    IEC 61378-2:2001 Convertor transformers - Part 2: Transformers for HVDC applications
    IEC 62535:2008 Insulating liquids - Test method for detection of potentially corrosive sulphur in used and unused insulating oil
    IEC 60044-8:2002 Instrument transformers - Part 8: Electronic current transformers
    IEC 60044-1:1996+AMD1:2000+AMD2:2002 CSV Instrument transformers - Part 1: Current transformers
    IEC 60599:2015 Mineral oil-filled electrical equipment in service - Guidance on the interpretation of dissolved and free gases analysis
    IEC 61203:1992 Synthetic organic esters for electrical purposes - Guide for maintenance of transformer esters in equipment
    IEC 60076-2:2011 Power transformers - Part 2: Temperature rise for liquid-immersed transformers
    IEC 60814:1997 Insulating liquids - Oil-impregnated paper and pressboard - Determination of water by automatic coulometric Karl Fischer titration
    IEC 61198:1993 Mineral insulating oils - Methods for the determination of 2-furfural and related compounds
    IEC 62146-1:2013+AMD1:2016 CSV Grading capacitors for high-voltage alternating current circuit-breakers - Part 1: General
    IEC 61181:2007+AMD1:2012 CSV Mineral oil-filled electrical equipment - Application of dissolved gas analysis (DGA) to factory tests on electrical equipment
    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)
    IEC 60475:2011 Method of sampling insulating liquids
    UNE-EN 60076-2:2013 Power transformers - Part 2: Temperature rise for liquid-immersed transformers
    IEC 60076-14:2013 Power transformers - Part 14: Liquid-immersed power transformers using high-temperature insulation materials
    UNE-EN 60422:2013 Mineral insulating oils in electrical equipment - Supervision and maintenance guidance
    IEC 60422:2013 Mineral insulating oils in electrical equipment - Supervision and maintenance guidance
    UNE-EN 62697-1:2013 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 62021-2:2007 Insulating liquids - Determination of acidity - Part 2: Colourimetric titration
    UNE-EN 61869-1:2010 Instrument transformers -- Part 1: General requirements
    IEC 60599:2015 RLV Mineral oil-filled electrical equipment in service - Guidance on the interpretation of dissolved and free gases analysis
    EN 62535 : 2009 INSULATING LIQUIDS - TEST METHOD FOR DETECTION OF POTENTIALLY CORROSIVE SULPHUR IN USED AND UNUSED INSULATING OIL
    EN 60076-2:2011 POWER TRANSFORMERS - PART 2: TEMPERATURE RISE FOR LIQUID-IMMERSED TRANSFORMERS
    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 62697-1:2012)
    EN 62021-2 : 2007 INSULATING LIQUIDS - DETERMINATION OF ACIDITY - PART 2: COLOURIMETRIC TITRATION
    EN 61203 : 1994 SYNTHETIC ORGANIC ESTERS FOR ELECTRICAL PURPOSES - GUIDE FOR MAINTENANCE OF TRANSFORMER ESTERS IN EQUIPMENT
    EN 60599:2016 Mineral oil-filled electrical equipment in service - Guidance on the interpretation of dissolved and free gases analysis
    EN 61181:2007/A1:2012 MINERAL OIL-FILLED ELECTRICAL EQUIPMENT - APPLICATION OF DISSOLVED GAS ANALYSIS (DGA) TO FACTORY TESTS ON ELECTRICAL EQUIPMENT (IEC 61181:2007/A1:2012)
    EN 61378-2 : 2001 CONVERTOR TRANSFORMERS - PART 2: TRANSFORMERS FOR HVDC APPLICATIONS
    EN 61869-1 : 2009 INSTRUMENT TRANSFORMERS - PART 1: GENERAL REQUIREMENTS
    EN 60044-1:1999/A2:2003 INSTRUMENT TRANSFORMERS - PART 1: CURRENT TRANSFORMERS
    EN 62146-1:2014/A1:2016 GRADING CAPACITORS FOR HIGH-VOLTAGE ALTERNATING CURRENT CIRCUIT-BREAKERS - PART 1: GENERAL (IEC 62146-1:2013/A1:2016)
    EN 60475 : 2011 Method of sampling insulating liquids
    EN 60814 : 1997 INSULATING LIQUIDS - OIL-IMPREGNATED PAPER AND PRESSBOARD - DETERMINATION OF WATER BY AUTOMATIC COULOMETRIC KARL FISCHER TITRATION
    EN 61198 : 1994 MINERAL INSULATING OILS - METHODS FOR THE DETERMINATION OF 2-FURFURAL AND RELATED COMPOUNDS
    EN 60044-8:2002 Instrument transformers - Part 8: Electronic current transformers
    EN 60076-14 : 2013 POWER TRANSFORMERS - PART 14: LIQUID-IMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS
    EN 60422:2013 Mineral insulating oils in electrical equipment - Supervision and maintenance guidance

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories
    ISO 3675:1998 Crude petroleum and liquid petroleum products Laboratory determination of density Hydrometer method
    IEC 60599:2015 Mineral oil-filled electrical equipment in service - Guidance on the interpretation of dissolved and free gases analysis
    IEC 60475:2011 Method of sampling insulating liquids
    IEC 60296:2012 RLV Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear
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