• EN 60076-14 : 2013

    Current The latest, up-to-date edition.

    POWER TRANSFORMERS - PART 14: LIQUID-IMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS

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    Language(s): 

    Published date:  25-10-2013

    Publisher:  European Committee for Standards - Electrical

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

    FOREWORD
    INTRODUCTION
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Insulation systems
    5 Temperature rise limits
    6 Components and materials
    7 Special design considerations
    8 Required information
    9 Rating plate and additional information
    10 Test requirements
    11 Supervision, diagnostics, and maintenance
    Annex A (informative) - Insulation materials
    Annex B (informative) - Rapid temperature increase
            and bubble generation
    Annex C (informative) - Ester liquid and cellulose
    Annex D (normative) - Insulation system coding
    Bibliography
    Annex ZA (normative) - Normative references to
             international publications with their
             corresponding European publications

    Abstract - (Show below) - (Hide below)

    IEC 60076-14:2013 applies to liquid-immersed power transformers employing either high-temperature insulation or combinations of high-temperature and conventional insulation, operating at temperatures above conventional limits.

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

    Committee CLC/TC 14
    Document Type Standard
    Publisher European Committee for Standards - Electrical
    Status Current

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

    UNE-EN 62770:2014 Fluids for electrotechnical applications - Unused natural esters for transformers and similar electrical equipment
    BS EN 62770:2014 Fluids for electrotechnical applications. Unused natural esters for transformers and similar electrical equipment
    BS EN 60836:2015 SPECIFICATIONS FOR UNUSED SILICONE INSULATING LIQUIDS FOR ELECTROTECHNICAL PURPOSES
    I.S. EN 60310:2016 RAILWAY APPLICATIONS - TRACTION TRANSFORMERS AND INDUCTORS ON BOARD ROLLING STOCK
    BS EN 60310 : 2016 RAILWAY APPLICATIONS - TRACTION TRANSFORMERS AND INDUCTORS ON BOARD ROLLING STOCK (IEC 60310:2016)
    I.S. EN 62770:2014 FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - UNUSED NATURAL ESTERS FOR TRANSFORMERS AND SIMILAR ELECTRICAL EQUIPMENT
    CEI EN 62770 : 2014 FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - UNUSED NATURAL ESTERS FOR TRANSFORMERS AND SIMILAR ELECTRICAL EQUIPMENT
    EN 62770 : 2014 FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - UNUSED NATURAL ESTERS FOR TRANSFORMERS AND SIMILAR ELECTRICAL EQUIPMENT (IEC 62770:2013)
    EN 60836:2015 SPECIFICATIONS FOR UNUSED SILICONE INSULATING LIQUIDS FOR ELECTROTECHNICAL PURPOSES (IEC 60836:2015)
    EN 60310:2016/AC:2018-03 RAILWAY APPLICATIONS - TRACTION TRANSFORMERS AND INDUCTORS ON BOARD ROLLING STOCK (IEC 60310:2016/COR1:2018)

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

    ISO 2719:2016 Determination of flash point Pensky-Martens closed cup method
    IEC 60076-7:2005 Power transformers - Part 7: Loading guide for oil-immersed power transformers
    IEEE 62 : 1995 GUIDE FOR DIAGNOSTIC FIELD TESTING OF ELECTRIC POWER APPARATUS - OIL FILLED POWER TRANSFORMERS, REGULATORS, AND REACTORS
    EN 60214-1:2014 TAP-CHANGERS - PART 1: PERFORMANCE REQUIREMENTS AND TEST METHODS (IEC 60214-1:2014)
    EN 60085:2008 ELECTRICAL INSULATION - THERMAL EVALUATION AND DESIGNATION
    IEC TS 62332-1:2011 Electrical insulation systems (EIS) - Thermal evaluation of combined liquid and solid components - Part 1: General requirements
    IEC 61039:2008 Classification of insulating liquids
    IEC 60422:2013 Mineral insulating oils in electrical equipment - Supervision and maintenance guidance
    EN 60076-5:2006 POWER TRANSFORMERS - PART 5: ABILITY TO WITHSTAND SHORT-CIRCUIT
    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 60076-5:2006 Power transformers - Part 5: Ability to withstand short circuit
    IEEE C57.91:2011 GUIDE FOR LOADING MINERAL-OIL-IMMERSED TRANSFORMERS AND STEP-VOLTAGE REGULATORS
    IEC 61100:1992 Classification of insulating liquids according to fire-point and net calorific value
    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
    IEC 60076-4:1976 Power transformers - Part 4: Tappings and connections
    IEC 60505:2011 Evaluation and qualification of electrical insulation systems
    IEC 60076-8:1997 Power transformers - Part 8: Application guide
    IEC 60836:2015 Specifications for unused silicone insulating liquids for electrotechnical purposes
    IEC 60085:2007 Electrical insulation - Thermal evaluation and designation
    IEC 60296:2012 RLV Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear
    IEC 61629-1:1996 Aramid pressboard for electrical purposes - Part 1: Definitions, designations and general requirements
    IEC 60970:2007 Insulating liquids - Methods for counting and sizing particles
    EN 60296:2012 FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - UNUSED MINERAL INSULATING OILS FOR TRANSFORMERS AND SWITCHGEAR (IEC 60296:2012)
    EN 60836:2015 SPECIFICATIONS FOR UNUSED SILICONE INSULATING LIQUIDS FOR ELECTROTECHNICAL PURPOSES (IEC 60836:2015)
    IEC 60076-1:2011 Power transformers - Part 1: General
    IEC 60944:1988 Guide for the maintenance of silicone transformer liquids
    EN 60076-1:2011 POWER TRANSFORMERS - PART 1: GENERAL (IEC 60076-1:2011)
    IEC 60867:1993 Insulating liquids - Specifications for unused liquids based on synthetic aromatic hydrocarbons
    IEC 61378-2:2001 Convertor transformers - Part 2: Transformers for HVDC applications
    IEC 61378-3:2015 Converter transformers - Part 3: Application guide
    IEC 60076-2:2011 Power transformers - Part 2: Temperature rise for liquid-immersed transformers
    EN 60076-16 : 2011 POWER TRANSFORMERS - PART 16: TRANSFORMERS FOR WIND TURBINES APPLICATIONS (IEC 60076-16:2011)
    IEC 61203:1992 Synthetic organic esters for electrical purposes - Guide for maintenance of transformer esters in equipment
    IEEE C57.100:2011 THERMAL EVALUATION OF INSULATION SYSTEMS FOR LIQUID-IMMERSED DISTRIBUTION AND POWER TRANSFORMERS
    IEEE 1276 : 1997 TRIAL-USE GUIDE FOR THE APPLICATION OF HIGH TEMPERATURE INSULATION MATERIALS IN LIQUID-IMMERSED POWER TRANSFORMERS
    EN 61378-1:2011 CONVERTOR TRANSFORMERS - PART 1: TRANSFORMERS FOR INDUSTRIAL APPLICATIONS (IEC 61378-1:2011)
    EN 60076-2:2011 POWER TRANSFORMERS - PART 2: TEMPERATURE RISE FOR LIQUID-IMMERSED TRANSFORMERS
    IEEE C57.147 : 2008 ACCEPTANCE AND MAINTENANCE OF NATURAL ESTER FLUIDS IN TRANSFORMERS
    IEC 60216-1:2013 Electrical insulating materials - Thermal endurance properties - Part 1: Ageing procedures and evaluation of test results
    IEC 60076-16:2011 Power transformers - Part 16: Transformers for wind turbine applications
    IEC 61378-1:2011 Converter transformers - Part 1: Transformers for industrial applications
    EN 61378-2 : 2001 CONVERTOR TRANSFORMERS - PART 2: TRANSFORMERS FOR HVDC APPLICATIONS
    IEC 60214-1:2014 Tap-changers - Part 1: Performance requirements and test methods
    IEC 60851-4:2016 Winding wires - Test methods - Part 4: Chemical properties
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