• I.S. HD 428.1:1992

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    THREE PHASE OIL-IMMERSED DISTRIBUTION TRANSFORMERS, 50 HZ, FROM 50 TO 2500 KVA WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS AND REQUIREMENTS FOR TRANSFORMERS WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 24 KV

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  22-06-2015

    Language(s):  English

    Published date:  01-01-2011

    Publisher:  National Standards Authority of Ireland

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

    FOREWORD
    1 GENERAL
    2 ELECTRICAL CHARACTERISTICS
    3 DESIGN REQUIREMENTS
    4 DIMENSIONAL CHARACTERISTICS
    5 ACCESSORIES
    ANNEX A (informative) - A-deviations
    ANNEX B (normative) - Normative references

    Abstract - (Show below) - (Hide below)

    Defines transformers from 50 to 2500 kVA intended for operation in three-phase distribution networks, for indoor or outdoor continuous service, 50 Hz, immersed in mineral-oil, natural cooling, with two windings.

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

    Development Note Issue Date: 24/02/2007. (11/2011)
    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Withdrawn

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

    IEC 60038:2009 IEC standard voltages
    IEC TR 60616:1978 Terminal and tapping markings for power transformers
    HD 398.1 : 200S1 POWER TRANSFORMERS - GENERAL
    IEC 60354:1991 Loading guide for oil-immersed power transformers
    HD 472 S1:1989/AC:2013 NOMINAL VOLTAGES FOR LOW-VOLTAGE PUBLIC ELECTRICITY SUPPLY SYSTEMS
    IEC 60076-3:2013 Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air
    IEC 60076-1:2011 Power transformers - Part 1: General
    HD 398.3 : S1 AMD 1 POWER TRANSFORMERS - INSULATION LEVELS AND DIELECTRIC TESTS
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