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    I.S. EN 60551:1993

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    DETERMINATION OF TRANSFORMER AND REACTOR SOUND LEVELS

    Available format(s):  Hardcopy, PDF

    Superseded date:  23-07-2013

    Language(s):  English

    Published date:  01-01-1993

    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)

    FOREWORD
    PREFACE
    1 Scope
    2 Definitions
    3 Instruments
    4 Conditions for measurement
    5 Measurement of sound pressure levels
    6 Calculation of surface sound pressure level and sound power
      level
    7 Presentation of results
    APPENDIX A - Test environment qualification procedure
    Annex ZA (normative) Other international publications quoted in
             this standard with the references of the relevant
             European publications

    Abstract - (Show below) - (Hide below)

    Defines the methods by which the sound levels of transformers, reactors and their associated cooling equipment shall be determined so that compliance with any specification requirements may be confirmed and the characteristic of noise emitted in service determined.

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

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Superseded
    Superseded By

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

    HD 464 : S1 AMD 5 2002 DRY-TYPE POWER TRANSFORMERS
    HD 398.1 : 200S1 POWER TRANSFORMERS - GENERAL
    HD 425 : 200S1 SOUND LEVEL METERS
    ISO 3746:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Survey method using an enveloping measurement surface over a reflecting plane
    IEC 60076:1967 Power transformers
    IEC 60076-1:2011 Power transformers - Part 1: General
    IEC 60289:1988 Reactors
    IEC 60651:1979+AMD1:1993+AMD2:2000 CSV Sound level meters
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