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NF EN 61897 : 2001

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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Superseded date

05-10-2021

Published date

12-01-2013

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

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.

DevelopmentNote
Indice de Classement: C11-205. (10/2002)
DocumentType
Standard
PublisherName
Association Francaise de Normalisation
Status
Superseded
SupersededBy

Standards Relationship
BS EN 61897:1999 Identical
SN EN 61897 : 1998 Identical
EN 61897:1998 Identical
IEC 61897:1998 Identical
NBN EN 61897 : 1999 Identical
UNE-EN 61897:2000 Identical
I.S. EN 61897:1999 Identical
DIN EN 61897 : 1999 Identical

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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