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    I.S. EN 50541-1:2011

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    THREE PHASE DRY-TYPE DISTRIBUTION TRANSFORMERS 50 HZ, FROM 100 KVA TO 3150 KVA, WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS

    Available format(s):  Hardcopy, PDF

    Superseded date:  14-07-2015

    Language(s):  English

    Published date:  01-01-2011

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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

    1 Scope
    2 Normative references
    3 Electrical characteristics
    4 Tests
    5 Design requirements
    6 Terminals
    7 Enclosure
    8 Overall dimensional indications and accessories
    9 Efficiency and drop voltage at reference temperature
    Annex A (informative) - Capitalisation evaluation
    Bibliography

    Abstract - (Show below) - (Hide below)

    Specifies dry type transformers from 100 kVA to 3150 kVA intended for operation in three phases distribution networks, for indoor continuous service, 50 Hz, natural cooling, with two windings: - a primary (high voltage) winding with a highest voltage for equipment of 3,6 kV to 36 kV; - a secondary (low voltage) winding with a highest voltage for equipment not exceeding 1,1 kV.

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

    Development Note Supersedes I.S. HD 538.2. (05/2011)
    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Superseded
    Superseded By
    Supersedes

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

    EN 62262:2002 Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts (IK code)
    IEC 62271-202:2014 High-voltage switchgear and controlgear - Part 202: High-voltage/ low-voltage prefabricated substation
    EN 60076-4:2002 Power transformers - Part 4: Guide to the lightning impulse and switching impulse testing - Power transformers and reactors
    IEC TR 60616:1978 Terminal and tapping markings for power transformers
    EN 50387:2002 Busbar bushings up to 1 kV and from 1,25 kA to 5 kA, for liquid filled transformers
    EN 60076-5:2006 Power transformers - Part 5: Ability to withstand short-circuit
    EN 60076-11:2004 Power transformers - Part 11: Dry-type transformers
    IEC 60076-5:2006 Power transformers - Part 5: Ability to withstand short circuit
    EN 62271-202:2014/AC:2014 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 202: HIGH-VOLTAGE/LOW-VOLTAGE PREFABRICATED SUBSTATION (IEC 62271-202:2014)
    EN 50386:2010/A1:2013 BUSHINGS UP TO 1 KV AND FROM 250 A TO 5 KA, FOR LIQUID FILLED TRANSFORMERS
    IEC 60076-4:1976 Power transformers - Part 4: Tappings and connections
    IEC 60076-12:2008 Power transformers - Part 12: Loading guide for dry-type power transformers
    EN 50180:2010 Bushings above 1 kV up to 52 kV and from 250 A to 3,15 kA for liquid filled transformers – Part 1: General requirements for bushings
    EN 60076-10:2016 Power transformers - Part 10: Determination of sound levels
    IEC 60076-3:2013 Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air
    IEC 60529:1989+AMD1:1999+AMD2:2013 CSV Degrees of protection provided by enclosures (IP Code)
    IEC 60076-1:2011 Power transformers - Part 1: General
    IEC 62262:2002 Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts (IK code)
    EN 60076-1:2011 POWER TRANSFORMERS - PART 1: GENERAL (IEC 60076-1:2011)
    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
    EN 50181:2010 Plug-in type bushings above 1 kV up to 52 kV and from 250 A to 2,50 kA for equipment other than liquid filled transformers
    EN 60529:1991/AC:2016-12 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE) (IEC 60529 EDITION 2.2 CORRIGENDUM 2:2015)
    EN 60076-2:2011 Power transformers - Part 2: Temperature rise for liquid-immersed transformers
    IEC 60076-16:2011 Power transformers - Part 16: Transformers for wind turbine applications
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