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  • IEC 61203:1992

    Current The latest, up-to-date edition.

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

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

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

    Published date:  15-12-1992

    Publisher:  International Electrotechnical Committee

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

    Foreword
    Clause
    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

    Abstract - (Show below) - (Hide below)

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

    General Product Information - (Show below) - (Hide below)

    Development Note Also numbered as BS EN 61203 (11/2005) Stability Date: 2019. (10/2012)
    Document Type Standard
    Publisher International Electrotechnical Committee
    Status Current

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

    BS EN 60695-1-40:2014 Fire hazard testing Guidance for assessing the fire hazard of electrotechnical products. Insulating liquids
    CEI 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
    I.S. EN 60076-14:2013 POWER TRANSFORMERS - PART 14: LIQUIDIMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS (IEC 60076-14:2013 (EQV))
    IEC TS 60076-14:2009 Power transformers - Part 14: Design and application of liquid-immersed power transformers using high-temperature insulation materials
    IEC 60695-1-40:2013 Fire hazard testing - Part 1-40: Guidance for assessing the fire hazard of electrotechnical products - Insulating liquids
    EN 61099:2010 Insulating liquids - Specifications for unused synthetic organic esters for electrical purposes
    BS EN 60076-14:2013 Power transformers Liquid-immersed power transformers using high-temperature insulation materials
    02/211941 DC : 0 IEC 60076-14 ED.1 - GUIDE FOR THE DESIGN AND APPLICATION OF LIQUID-IMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS
    UNE-EN 60076-14:2014 Power transformers - Part 14: Liquid-immersed power transformers using high-temperature insulation materials
    I.S. EN 61099:2010 INSULATING LIQUIDS - SPECIFICATIONS FOR UNUSED SYNTHETIC ORGANIC ESTERS FOR ELECTRICAL PURPOSES
    05/30133366 DC : DRAFT MAY 2005 EN 5XXXX BTTF 116-1 - STANDARD FOR THE INVENTORY, CONTROL, MANAGEMENT, DECONTAMINATION AND/OR DISPOSAL OF ELECTRICAL EQUIPMENT AND INSULATING LIQUIDS CONTAINING PCBS
    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
    12/30269145 DC : 0 BS EN 60695-1-40 ED 1.0 - FIRE HAZARD TESTING - PART 1-40: 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
    DD IEC TS 60076-14 : DRAFT 2009 POWER TRANSFORMERS - PART 14: DESIGN AND APPLICATION OF LIQUID-IMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS
    BS EN 61099:2010 Insulating liquids. Specifications for unused synthetic organic esters for electrical purposes
    UNE-EN 60695-1-40:2014 Fire hazard testing - Part 1-40: Guidance for assessing the fire hazard of electrotechnical products - Insulating liquids
    IEC TS 60695-1-40:2002 Fire hazard testing - Part 1-40: Guidance for assessing the fire hazard of electrotechnical products - Insulating liquids
    IEC 61099:2010 Insulating liquids - Specifications for unused synthetic organic esters for electrical purposes
    IEC 60076-14:2013 Power transformers - Part 14: Liquid-immersed power transformers using high-temperature insulation materials
    IEEE 1653.1:2016 TRACTION POWER RECTIFIER TRANSFORMERS FOR SUBSTATION APPLICATIONS UP TO 1500 V DC NOMINAL OUTPUT
    CEI EN 60695-1-40 : 2014 FIRE HAZARD TESTING - PART 1-40: GUIDANCE FOR ASSESSING THE FIRE HAZARD OF ELECTROTECHNICAL PRODUCTS - INSULATING LIQUIDS
    IEEE C57.147 : 2008 ACCEPTANCE AND MAINTENANCE OF NATURAL ESTER FLUIDS IN TRANSFORMERS
    UNE-EN 61099:2011 Insulating liquids - Specifications for unused synthetic organic esters for electrical purposes
    EN 60695-1-40:2014 Fire hazard testing - Part 1-40: Guidance for assessing the fire hazard of electrotechnical products - Insulating liquids
    EN 60076-14:2013 Power transformers - Part 14: Liquid-immersed power transformers using high-temperature insulation materials

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

    IEC 60599:2015 Mineral oil-filled electrical equipment in service - Guidance on the interpretation of dissolved and free gases analysis
    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
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