IEC 61897 : 1.0
IEC 61897 : 1.0
OVERHEAD LINES - REQUIREMENTS AND TESTS FOR STOCKBRIDGE TYPE AEOLIAN VIBRATION DAMPERS
International Electrotechnical Committee
OVERHEAD LINES - REQUIREMENTS AND TESTS FOR STOCKBRIDGE TYPE AEOLIAN VIBRATION DAMPERS
International Electrotechnical Committee
FOREWORD<br>1 Scope<br>2 Normative references<br>3 Definitions<br>4 General requirements<br> 4.1 Design<br> 4.2 Materials<br> 4.3 Mass, dimensions and tolerances<br> 4.4 Protection against corrosion<br> 4.5 Manufacturing appearance and finish<br> 4.6 Marking<br> 4.7 Installation instructions<br>5 Quality assurance<br>6 Classification of tests<br> 6.1 Type tests<br> 6.1.1 General<br> 6.1.2 Application<br> 6.2 Sample tests<br> 6.2.1 General<br> 6.2.2 Application<br> 6.2.3 Sampling, acceptance criteria<br> 6.3 Routine tests<br> 6.3.1 General<br> 6.3.2 Application and acceptance criteria<br> 6.4 Table of tests to be applied<br>7 Test methods<br> 7.1 Visual examination<br> 7.2 Verification of dimensions, materials and mass<br> 7.3 Corrosion protection tests<br> 7.3.1 Hot dip galvanized components (other <br> than messenger cable wires)<br> 7.3.2 Ferrous components protected from <br> corrosion by methods other than hot <br> dip galvanizing<br> 7.3.3 Hot dip galvanized messenger cable <br> wires<br> 7.4 Non-destructive tests<br> 7.5 Clamp slip test<br> 7.6 Breakaway bolt test<br> 7.7 Clamp bolt tightening test<br> 7.8 Attachment of weights to messenger cable<br> 7.9 Attachment of clamp to messenger cable test<br> 7.10 Corona and radio interference voltage (RIV) <br> tests<br> 7.11 Damper performance tests<br> 7.11.1 Performance test variants<br> 7.11.2 Damper characteristic test<br> 7.11.3 Damper effectiveness evaluation<br> 7.11.3.1 Method of evaluation<br> 7.11.3.2 Laboratory test<br> 7.11.3.3 Field test<br> 7.11.3.4 Analytical method<br> 7.12 Damper fatigue test<br> 7.12.1 Test methods<br> 7.12.2 Swept frequency method<br> 7.12.3 Resonant frequency method<br> 7.12.4 Acceptance criteria<br>Annex A (normative) Minimum technical details to be agreed <br> between purchaser and supplier<br>Annex B (informative) Examples of graphs relevant to damper <br> characteristic test<br>Annex C (normative) Wind power input curve<br>Bibliography
Applicable to Stockbridge type aeolian vibration dampers that are meant for single conductors or earth wires or conductor bundles where dampers are directly attached to each subconductor.
Document Type | Standard |
Status | Current |
Publisher | International Electrotechnical Committee |
Committee | TC 11 |