I.S. EN 61467:2008
Current
The latest, up-to-date edition.
INSULATORS FOR OVERHEAD LINES - INSULATOR STRINGS AND SETS FOR LINES WITH A NOMINAL VOLTAGE GREATER THAN 1000 V - AC POWER ARC TESTS
Hardcopy , PDF
English
01-01-2008
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.
FOREWORD
1 Scope and object
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Characteristics of the test current
6 Supply and return circuit conditions
7 Tests on insulator sets
7.1 General remarks
7.2 Test arrangement
7.3 Test current
7.4 Supply and return circuit conditions
7.5 Arc initiation
7.6 Ambient conditions
7.7 Test series and characteristics of the power arcs
8 Tests on short strings
8.1 General remark
8.2 Test arrangement
8.3 Test current
8.4 Supply and return circuit conditions
8.5 Arc initiation
8.6 Ambient conditions
8.7 Test series and characteristics of the power arcs
9 Test report
10 Evaluation of results
10.1 General remark
10.2 Visual examination
10.3 Porcelain or glass insulators
10.4 Composite insulators
10.5 Acceptance criteria
Annex A (normative) - Examples of test arrangements and
practical methods of tower
simulation (return circuit)
Annex B (normative) - Determination of the r.m.s. value
of the current
Annex C (informative) - No-load voltage of the power source
Annex D (informative) - Power arcs on insulator sets and
their true simulation by appropriate
positioning of fusible wires
Annex E (informative) - Wind velocity during power arc tests
Annex F (informative) - Variation of the fault current magnitude
and reasons for the choice of the
prescribed test parameters
Annex G (informative) - Recommendations for the test report
Annex H (informative) - Sample of a power arc test report
Bibliography
Annex ZA (normative) - Normative references to international
publications with their corresponding
European publications
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