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    I.S. EN 61897:1999

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    OVERHEAD LINES - REQUIREMENTS AND TESTS FOR STOCKBRIDGE TYPE AEOLIAN VIBRATION DAMPERS

    Available format(s):  Hardcopy, PDF

    Superseded date:  13-05-2020

    Language(s):  English

    Published date:  01-01-1999

    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
    1 Scope
    2 Normative references
    3 Definitions
    4 General requirements
      4.1 Design
      4.2 Materials
      4.3 Mass, dimensions and tolerances
      4.4 Protection against corrosion
      4.5 Manufacturing appearance and finish
      4.6 Marking
      4.7 Installation instructions
    5 Quality assurance
    6 Classification of tests
      6.1 Type tests
           6.1.1 General
           6.1.2 Application
      6.2 Sample tests
           6.2.1 General
           6.2.2 Application
           6.2.3 Sampling, acceptance criteria
      6.3 Routine tests
           6.3.1 General
           6.3.2 Application and acceptance criteria
      6.4 Table of tests to be applied
    7 Test methods
      7.1 Visual examination
      7.2 Verification of dimensions, materials and mass
      7.3 Corrosion protection tests
           7.3.1 Hot dip galvanized components (other than
                   messenger cable wires)
           7.3.2 Ferrous components protected from corrosion
                   by methods other than hot dip galvanizing
           7.3.3 Hot dip galvanized messenger cable wires
      7.4 Non-destructive tests
      7.5 Clamp slip test
      7.6 Breakaway bolt test
      7.7 Clamp bolt tightening test
      7.8 Attachment of weights to messenger cable
      7.9 Attachment of clamp to messenger cable test
      7.10 Corona and radio interference voltage (RIV) tests
      7.11 Damper performance tests
           7.11.1 Performance test variants
           7.11.2 Damper characteristic test
           7.11.3 Damper effectiveness evaluation
                   7.11.3.1 Methods of evaluation
                   7.11.3.2 Laboratory test
                   7.11.3.3 Field test
                   7.11.3.4 Analytical method
      7.12 Damper fatigue test
           7.12.1 Test methods
           7.12.2 Swept frequency method
           7.12.3 Resonant frequency method
           7.12.4 Acceptance criteria
    Annex A (normative) Minimum technical details to be agreed
                           between purchaser and supplier
    Annex B (informative) Examples of graphs relevant to damper
                           characteristic test
    Annex C (normative) Wind power input curve
    Annex ZA (normative) Normative references to international
                           publications with their corresponding
                           European publications
    Bibliography

    Abstract - (Show below) - (Hide below)

    Applicable to Stockbridge type aeolian vibration dampers meant for single conductors or earth wires or conductor bundles where dampers are directly attached to each subconductor.

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

    Development Note For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Superseded
    Superseded By

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

    ISO 9004-1:1994 Quality management and quality system elements Part 1: Guidelines
    IEEE 563 : 1978 CONDUCTOR SELF-DAMPING MEASUREMENTS, GUIDE ON
    ISO 3951:1989 Sampling procedures and charts for inspection by variables for percent nonconforming
    ISO 1461:2009 Hot dip galvanized coatings on fabricated iron and steel articles — Specifications and test methods
    IEC 60888:1987 Zinc-coated steel wires for stranded conductors
    ISO 2859-2:1985 Sampling procedures for inspection by attributes — Part 2: Sampling plans indexed by limiting quality (LQ) for isolated lot inspection
    IEC 60050-466:1990 International Electrotechnical Vocabulary (IEV) - Part 466: Overhead lines
    ISO 9001:2015 Quality management systems — Requirements
    ISO 9003:1994 Quality systems Model for quality assurance in final inspection and test
    IEEE 664:1993 IEEE Guide for Laboratory Measurement of the Power Dissipation Characteristics of Aeolian Vibaration
    ISO 9000-1:1994 Quality management and quality assurance standards — Part 1: Guidelines for selection and use
    EN 61284:1997 Overhead lines - Requirements and tests for fittings
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