• BS EN 61897:1999

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Overhead lines. Requirements and tests for Stockbridge type aeolian vibration dampers

    Available format(s):  Hardcopy, PDF

    Superseded date:  22-04-2020

    Language(s):  English

    Published date:  15-02-1999

    Publisher:  British Standards Institution

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

    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 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)

    Committee PEL/11
    Development Note Supersedes 96/207923 DC. Also numbered as IEC 61897. (09/2005)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By

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

    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
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