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  • HD 428.1 S1:1992/AC: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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 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): 

    Superseded date:  01-04-2007

    Language(s): 

    Published date:  12-01-2013

    Publisher:  European Committee for Standards - Electrical

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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)

    Committee TC 14
    Development Note Supersedes HD 428. (03/2004)
    Document Type Standard
    Publisher European Committee for Standards - Electrical
    Status Superseded
    Superseded By

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

    BS 7877:1999 Busbar bushings up to 1 kV and from 1,25 kA to 5 kA, for liquid filled transformers
    BS 7821-2.2:1998 Three phase oil-immersed distribution transformers, 50 Hz, from 50 to 2500 kVA with highest voltage for equipment not exceeding 36 kV. Distribution transformers with cable boxes on the high voltage and/or low voltage side Cable boxes of type 1 for use on distribution transformers meeting the requirements of BS 7821-2.1
    VDI 3739:1999-02 Characteristic noise emission values of technical sound sources - Transformers
    I.S. HD 428-2-2:1999 THREE-PHASE OIL-IMMERSED DISTRIBUTION TRANSFORMERS 50 HZ, FROM 50 TO 2500 KVA WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 2: DISTRIBUTION TRANSFORMERS WITH CABLE BOXES ON THE HIGH-VOLTAGE AND/OR LOW VOLTAGE SIDE - SECTION 2: CABLE BOXES TYPE 1 FOR USE ON DISTRIBUTION TRANSFORMERS MEETING THE REQUIREMENTS OF HD 428.2.1 S1
    HD 428.2.2 : 200S1 THREE-PHASE OIL-IMMERSED DISTRIBUTION TRANSFORMERS 50 HZ, FROM 50 TO 2500 KVA WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 2: DISTRIBUTION TRANSFORMERS WITH CABLE BOXES ON THE HIGH-VOLTAGE AND/OR LOW VOLTAGE SIDE - SECTION 2: CABLE BOXES TYPE 1 FOR USE ON DISTRIBUTION TRANSFORMERS MEETING THE REQUIREMENTS OF HD 428.2.1 S1

    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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