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  • EN 61467 : 2008

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    INSULATORS FOR OVERHEAD LINES - INSULATOR STRINGS AND SETS FOR LINES WITH A NOMINAL VOLTAGE GREATER THAN 1000 V - AC POWER ARC TESTS

    Available format(s): 

    Language(s): 

    Published date:  28-11-2008

    Publisher:  European Committee for Standards - Electrical

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    Table of Contents - (Show below) - (Hide below)

    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
    Annex ZA (normative) - Normative references to international
             publications with their corresponding European
             publications
    Bibliography

    Abstract - (Show below) - (Hide below)

    Describes the 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.

    General Product Information - (Show below) - (Hide below)

    Committee SR 36B
    Document Type Standard
    Publisher European Committee for Standards - Electrical
    Status Current

    Standards Referenced By This Book - (Show below) - (Hide below)

    PREN 50341-1 : DRAFT 2012 OVERHEAD ELECTRICAL LINES EXCEEDING AC 1 KV - PART 1: GENERAL REQUIREMENTS - COMMON SPECIFICATIONS
    UNE-EN 50341-1:2017 Overhead electrical lines exceeding AC 1 kV - Part 1: General requirements - Common specifications
    CEI EN 50397-2 : 2011 COVERED CONDUCTORS FOR OVERHEAD LINES AND THE RELATED ACCESSORIES FOR RATED VOLTAGES ABOVE 1 KV AC AND NOT EXCEEDING 36 KV AC - PART 2: ACCESSORIES FOR COVERED CONDUCTORS - TESTS AND ACCEPTANCE CRITERIA
    12/30260570 DC : 0 BS EN 50341-1 - OVERHEAD ELECTRICAL LINES EXCEEDING AC 1 KV - PART 1: GENERAL REQUIREMENTS - COMMON SPECIFICATIONS
    I.S. EN 50397-2:2009 COVERED CONDUCTORS FOR OVERHEAD LINES AND THE RELATED ACCESSORIES FOR RATED VOLTAGES ABOVE 1 KV AC AND NOT EXCEEDING 36 KV AC - PART 2: ACCESSORIES FOR COVERED CONDUCTORS - TESTS AND ACCEPTANCE CRITERIA
    BS EN 50397-2:2009 Covered conductors for overhead lines and the related accessories for rated voltages above 1 kV AC and not exceeding 36 kV AC Accessories for covered conductors. Tests and acceptance criteria
    I.S. EN 62621:2016 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - ELECTRIC TRACTION - SPECIFIC REQUIREMENTS FOR COMPOSITE INSULATORS USED FOR OVERHEAD CONTACT LINE SYSTEMS
    BS EN 62621 : 2016 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - ELECTRIC TRACTION - SPECIFIC REQUIREMENTS FOR COMPOSITE INSULATORS USED FOR OVERHEAD CONTACT LINE SYSTEMS (IEC 62621:2011)
    BS EN 50341-1 : 2012 OVERHEAD ELECTRICAL LINES EXCEEDING AC 1 KV - PART 1: GENERAL REQUIREMENTS - COMMON SPECIFICATIONS
    I.S. EN 50341-1:2012 OVERHEAD ELECTRICAL LINES EXCEEDING AC 1 KV - PART 1: GENERAL REQUIREMENTS - COMMON SPECIFICATIONS
    CEI EN 50341-1 : 2013 OVERHEAD ELECTRICAL LINES EXCEEDING AC 1 KV - PART 1: GENERAL REQUIREMENTS - COMMON SPECIFICATIONS
    EN 50341-1:2012 OVERHEAD ELECTRICAL LINES EXCEEDING AC 1 KV - PART 1: GENERAL REQUIREMENTS - COMMON SPECIFICATIONS
    UNE-EN 62621:2016 Railway applications - Fixed installations - Electric traction - Specific requirements for composite insulators used for overhead contact line systems
    EN 62621:2016/A1:2016 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - ELECTRIC TRACTION - SPECIFIC REQUIREMENTS FOR COMPOSITE INSULATORS USED FOR OVERHEAD CONTACT LINE SYSTEMS
    EN 50397-2:2009 Covered conductors for overhead lines and the related accessories for rated voltages above 1 kV AC and not exceeding 36 kV AC - Part 2: Accessories for covered conductors - Tests and acceptance criteria

    Standards Referencing This Book - (Show below) - (Hide below)

    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
    EN 60383-1:1996/A11:1999 INSULATORS FOR OVERHEAD LINES WITH A NOMINAL VOLTAGE ABOVE 1 KV - 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 - INSULATOR STRINGS AND INSULATOR SETS FOR A.C. SYSTEMS - DEFINITIONS TEST METHODS AND ACCEPTANCE CRITERIA
    EN 60383-2 : 1995 INSULATORS FOR OVERHEAD LINES WITH A NOMINAL VOLTAGE ABOVE 1000 V - INSULATOR STRINGS AND INSULATOR SETS FOR A.C. SYSTEMS - DEFINITIONS, TEST METHODS AND ACCEPTANCE CRITERIA
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