• NBN EN 61897 : 1999

    Current The latest, up-to-date edition.

    BOVENGRONDSE LIJNEN - EISEN EN PROEVEN VOOR TRILLINGSDEMPERS VAN HET TYPE STOCKBRIDGE

    Available format(s): 

    Language(s): 

    Published date:  12-01-2013

    Publisher:  Belgian Standards

    Sorry this product is not available in your region.

    Add To Cart

    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)

    Document Type Standard
    Publisher Belgian Standards
    Status Current
    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective