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
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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
Applicable to insulator strings and sets comprising string insulator units of ceramic material, glass or composite material for use on a.c. overhead lines and traction lines with a nominal voltage above 1000 V and a frequency between 15 Hz and 100 Hz.
| DevelopmentNote |
For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
|
| DocumentType |
Standard
|
| Pages |
92
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Standards | Relationship |
| IEC 61467:2008 | Identical |
| EN 61467:2008 | Identical |
| IEC 60826:2017 | Design criteria of overhead transmission lines |
| IEC 60050-471:2007 | International Electrotechnical Vocabulary (IEV) - Part 471: Insulators |
| IEC 60383-1:1993 | Insulators for overhead lines with a nominal voltage above 1000 V - Part 1: Ceramic or glass insulator units for a.c. systems - Definitions, test methods and acceptance criteria |
| IEC TR 60797:1984 | Residual strength of string insulator units of glass or ceramic material for overhead lines after mechanical damage of the dielectric |
| IEC 60383-2:1993 | Insulators for overhead lines with a nominal voltage above 1000 V - Part 2: Insulator strings and insulator sets for a.c. systems - Definitions, test methods and acceptance criteria |
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