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    I.S. EN 50341-1:2012

    Current The latest, up-to-date edition.

    OVERHEAD ELECTRICAL LINES EXCEEDING AC 1 KV - PART 1: GENERAL REQUIREMENTS - COMMON SPECIFICATIONS

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2012

    Publisher:  National Standards Authority of Ireland

    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.

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

    National Foreword
    Foreword
    0 Introduction
    1 Scope
    2 Normative references, definitions and symbols
    3 Basis of design
    4 Actions on lines
    5 Electrical requirements
    6 Earthing systems
    7 Supports
    8 Foundations
    9 Conductors and earth-wires
    10 Insulators
    11 Hardware
    12 Quality assurance, checks and taking-over
    Annex A (informative) - Strength coordination
    Annex B (informative) - Conversion of wind velocities and
            ice loads
    Annex C (informative) - Application examples of wind
            loads - Special forces
    Annex D (informative) - Statistical data for the Gumbel
            distribution of extremes
    Annex E (normative) - Theoretical method for calculating
            minimum air clearances
    Annex F (informative) - Empirical method for calculating
            mid span clearances
    Annex G (normative) - Calculation methods for earthing
            systems
    Annex H (informative) - Installation and measurements
            of earthing systems
    Annex J (normative) - Angles in lattice steel towers
    Annex K (normative) - Steel poles
    Annex L (informative) - Design requirements for supports
            and foundations
    Annex M (informative) - Geotechnical and structural design
            of foundations
    Annex N (informative) - Conductors and overhead earth wires
    Annex P (informative) - Tests on insulators and insulators sets
    Annex Q (informative) - Insulators
    Annex R (informative) - Hardware

    Abstract - (Show below) - (Hide below)

    Pertains to new overhead electric lines with nominal system voltages exceeding AC 1 kV and with rated frequencies below 100 Hz.

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

    Development Note Supersedes I.S. EN 50423-1. (02/2013) 2002 Edition along with its amendment is still active. (10/2013) 2012 Edition Re-Issued on 19/11/2013. (11/2013) Supersedes I.S. EN 50423-3. (05/2017)
    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Current
    Supersedes

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

    IEC TR 61597:1995 Overhead electrical conductors - Calculation methods for stranded bare conductors
    ISO 12494:2017 Atmospheric icing of structures
    EN 1998-6:2005 Eurocode 8: Design of structures for earthquake resistance - Part 6: Towers, masts and chimneys
    IEC 61472:2013 Live working - Minimum approach distances for a.c. systems in the voltage range 72,5 kV to 800 kV - A method of calculation
    IEC 61854:1998 Overhead lines - Requirements and tests for spacers
    EN 50189:2000 Conductors for overhead lines - Zinc coated steel wires
    IEC 61395:1998 Overhead electrical conductors - Creep test procedures for stranded conductors
    ISO 2063:2005 Thermal spraying Metallic and other inorganic coatings Zinc, aluminium and their alloys
    IEC 60038:2009 IEC standard voltages
    IEC 61325:1995 Insulators for overhead lines with a nominal voltage above 1000 V - Ceramic or glass insulator units for d.c. systems - Definitions, test methods and acceptance criteria
    EN 60372:2004 Locking devices for ball and socket couplings of string insulator units - Dimensions and tests
    IEC 61936-1:2010+AMD1:2014 CSV Power installations exceeding 1 kV a.c. - Part 1: Common rules
    EN 12843 : 2004 PRECAST CONCRETE PRODUCTS - MASTS AND POLES
    IEC TS 60479-1:2005+AMD1:2016 CSV Effects of current on human beings and livestock - Part 1: Generalaspects
    IEC 60826:2017 Design criteria of overhead transmission lines
    IEC 61466-1:2016 Composite string insulator units for overhead lines with a nominal voltage greater than 1 000 V - Part 1: Standard strength and end fittings
    EN 50326 : 2002 Conductors for overhead lines - Characteristics of greases
    EN 61472:2013/AC:2015 LIVE WORKING - MINIMUM APPROACH DISTANCES FOR A.C SYSTEMS IN THE VOLTAGE RANGE 72,5 KV TO 800 KV - A METHOD OF CALCULATION (IEC 61472:2013)
    IEC 61467:2008 Insulators for overhead lines - Insulator strings and sets for lines with a nominal voltage greater than 1 000 V - AC power arc tests
    EN 1991-1-6:2005/AC:2013 Eurocode 1 - Actions on structures Part 1-6: General actions - Actions during execution
    IEC 60724:2000+AMD1:2008 CSV Short-circuit temperature limits of electric cables with rated voltages of 1 kV (Um = 1,2 kV) and 3 kV (Um = 3,6 kV)
    EN 14229:2010 Structural timber - Wood poles for overhead lines
    EN 50397-1:2006 Covered conductors for overhead lines and the related accessories for rated voltages above 1 kV a.c. and not exceeding 36 kV a.c. - Part 1: Covered conductors
    IEC 60305:1995 Insulators for overhead lines with a nominal voltage above 1000 V - Ceramic or glass insulator units for a.c. systems - Characteristics of insulator units of the cap and pin type
    IEC 60050-601:1985 International Electrotechnical Vocabulary (IEV) - Part 601: Generation, transmission and distribution of electricity - General
    EN 1993-1-5:2006/A1:2017 EUROCODE 3 - DESIGN OF STEEL STRUCTURES - PART 1-5: PLATED STRUCTURAL ELEMENTS
    IEC 60050-471:2007 International Electrotechnical Vocabulary (IEV) - Part 471: Insulators
    EN ISO 1461:2009 Hot dip galvanized coatings on fabricated iron and steel articles - Specifications and test methods (ISO 1461:2009)
    EN 60794-4-10:2014 Optical fibre cables - Part 4-10: Family specification - Optical ground wires (OPGW) along electrical power lines
    IEC 60050-441:1984 International Electrotechnical Vocabulary (IEV) - Part 441: Switchgear, controlgear and fuses
    IEC TS 60815-2:2008 Selection and dimensioning of high-voltage insulators intended for use in polluted conditions - Part 2: Ceramic and glass insulators for a.c. systems
    IEC 62004:2007 Thermal-resistant aluminium alloy wire for overhead line conductor
    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 60794-1-2:2017 Optical fibre cables - Part 1-2: Generic specification - Basic optical cable test procedures - General guidance
    EN 60794-1-1:2016 Optical fibre cables - Part 1-1: Generic specification - General
    EN 62004:2009 Thermal-resistant aluminium alloy wire for overhead line conductor
    IEC 61109:2008 Insulators for overhead lines - Composite suspension and tension insulators for a.c. systems with a nominal voltage greater than 1 000 V - Definitions, test methods and acceptance criteria
    IEC 60909-0:2016 Short-circuit currents in three-phase a.c. systems - Part 0: Calculation of currents
    EN 62219:2002 Overhead electrical conductors - Formed wire, concentric lay, stranded conductors
    IEC 60794-4:2003 Optical fibre cables - Part 4: Sectional specification - Aerial optical cables along electrical power lines
    EN 60433:1998 Insulators for overhead lines with a nominal voltage above 1 kV - Ceramic insulators for a.c. systems - Characteristics of insulator units of the long rod type
    ISO 1461:2009 Hot dip galvanized coatings on fabricated iron and steel articles — Specifications and test methods
    IEC 60794-4-10:2014 Optical fibre cables - Part 4-10: Family specification - Optical ground wires (OPGW) along electrical power lines
    EN 50183:2000 Conductors for overhead lines - Aluminium-magnesium-silicon alloy wires
    IEC 60720:1981 Characteristics of line post insulators
    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
    EN 60305:1996 Insulators for overhead lines with a nominal voltage above 1 kV - Ceramic or glass insulator units for a.c. systems - Characteristics of insulator units of the cap and pin type
    EN 61325 : 1995 Insulators for overhead lines with a nominal voltage above 1 kV - Ceramic or glass insulator units for d.c. systems - Definitions, test methods and acceptance criteria
    IEC 60794-1-1:2015 Optical fibre cables - Part 1-1: Generic specification - General
    EN 1090-1:2009+A1:2011 Execution of steel structures and aluminium structures - Part 1: Requirements for conformity assessment of structural components
    IEC 61211:2004 Insulators of ceramic material or glass for overhead lines with a nominal voltage greater than 1 000 V - Impulse puncture testing in air
    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 61952:2008 Insulators for overhead lines - Composite line post insulators for A.C. systems with a nominal voltage greater than 1 000 V - Definitions, test methods and acceptance criteria
    EN 60507:2014 Artificial pollution tests on high-voltage ceramic and glass insulators to be used on a.c. systems
    EN 61936-1 : 2010 AMD 1 2014 POWER INSTALLATIONS EXCEEDING 1 KV A.C. - PART 1: COMMON RULES (IEC 61936-1:2010/A1:2014)
    EN 61466-1:2016 Composite string insulator units for overhead lines with a nominal voltage greater than 1000 V - Part 1: Standard strength classes and end fittings
    ICAO 7300 ANNEX 14 VOL.1 : 2013 ANNEX 14 TO THE CONVENTION ON INTERNATIONAL CIVIL AVIATION (ICAO 7300) - AERODROMES - VOLUME 1: AERODROME DESIGN AND OPERATIONS
    EN 60889:1997 Hard-drawn aluminium wire for overhead line conductors
    HD 474 : 200S1 DIMENSIONS OF BALL AND SOCKET COUPLINGS OF STRING INSULATOR UNITS
    IEC 60865-1:2011 Short-circuit currents - Calculation of effects - Part 1: Definitions and calculation methods
    IEC 60889:1987 Hard-drawn aluminium wire for overhead line conductors
    EN 61854:1998 Overhead lines - Requirements and tests for spacers
    CISPR TR 18-3:2017 Radio interference characteristics of overhead power lines and high-voltage equipment - Part 3: Code of practice for minimizing the generation of radio noise
    IEC 60437:1997 Radio interference test on high-voltage insulators
    EN ISO 9001:2015 Quality management systems - Requirements (ISO 9001:2015)
    IEC 60050-466:1990 International Electrotechnical Vocabulary (IEV) - Part 466: Overhead lines
    EN 60437:1997 Radio interference test on high-voltage insulators
    EN 60909-0:2016 Short-circuit currents in three-phase a.c. systems - Part 0: Calculation of currents
    EN 60865-1:2012 Short-circuit currents - Calculation of effects - Part 1: Definitions and calculation methods
    IEC 60372:1984 Locking devices for ball and socket couplings of string insulator units - Dimensions and tests
    EN 1997-2:2007/AC:2010 EUROCODE 7 - GEOTECHNICAL DESIGN - PART 2: GROUND INVESTIGATION AND TESTING
    EN 60071-1:2006/A1:2010 INSULATION CO-ORDINATION - PART 1: DEFINITIONS, PRINCIPLES AND RULES
    IEC 60652:2002 Loading tests on overhead line structures
    IEC 60287-3-1:2017 Electric cables - Calculation of the current rating - Part 3-1: Operating conditions - Site reference conditions
    EN 61897:1998 Overhead lines - Requirements and tests for Stockbridge type aeolian vibration dampers
    ISO 9001:2015 Quality management systems — Requirements
    EN 60794-1-2:2017/AC:2017-07 OPTICAL FIBRE CABLES - PART 1-2: GENERIC SPECIFICATION - BASIC OPTICAL CABLE TEST PROCEDURES - GENERAL GUIDANCE (IEC 60794-1-2:2017)
    EN ISO 2063:2005 Thermal spraying - Metallic and other inorganic coatings - Zinc, aluminium and their alloys (ISO 2063:2005)
    EN 50182:2001/AC:2013 CONDUCTORS FOR OVERHEAD LINES - ROUND WIRE CONCENTRIC LAY STRANDED CONDUCTORS
    EN 1993-3-1:2006/AC:2009 EUROCODE 3 - DESIGN OF STEEL STRUCTURES - PART 3-1: TOWERS, MASTS AND CHIMNEYS - TOWERS AND MASTS
    CISPR TR 18-2:2017 Radio interference characteristics of overhead power lines and high-voltage equipment - Part 2: Methods of measurement and procedure for determining limits
    IEC 60071-2:1996 Insulation co-ordination - Part 2: Application guide
    EN 60652:2004 Loading tests on overhead line structures
    EN 1993-1-3:2006/AC:2009 EUROCODE 3 - DESIGN OF STEEL STRUCTURES - PART 1-3: GENERAL RULES - SUPPLEMENTARY RULES FOR COLD-FORMED MEMBERS AND SHEETING
    EN 60071-2:1997 Insulation co-ordination - Part 2: Application guide
    IEC 62219:2002 Overhead electrical conductors - Formed wire, concentric lay, stranded conductors
    EN 60794-4:2003 Optical fibre cables - Part 4: Sectional specification - Aerial optical cables along electrical power lines
    EN 1995-1-1:2004/A2:2014 EUROCODE 5: DESIGN OF TIMBER STRUCTURES - PART 1-1: GENERAL - COMMON RULES AND RULES FOR BUILDINGS
    EN 1997-1:2004/A1:2013 EUROCODE 7: GEOTECHNICAL DESIGN - PART 1: GENERAL RULES
    IEC 61232:1993 Aluminium-clad steel wires for electrical purposes
    IEC 60433:1998 Insulators for overhead lines with a nominal voltage above 1 000 V - Ceramic insulators for a.c. systems - Characteristics of insulator units of the long rod type
    EN 61211:2005 Insulators of ceramic material or glass for overhead lines with a nominal voltage greater than 1 000 V - Impulse puncture testing in air
    EN 61109:2008 Insulators for overhead lines - Composite suspension and tension insulators for a.c. systems with a nominal voltage greater than 1 000 V - Definitions, test methods and acceptance criteria
    EN 1992-1-1:2004/A1:2014 EUROCODE 2: DESIGN OF CONCRETE STRUCTURES - PART 1-1: GENERAL RULES AND RULES FOR BUILDINGS
    IEC 60507:2013 Artificial pollution tests on high-voltage ceramic and glass insulators to be used on a.c. systems
    EN 61395:1998 Overhead electrical conductors - Creep test procedures for stranded conductors
    EN 50522:2010 Earthing of power installations exceeding 1 kV a.c.
    IEC 60071-1:2006+AMD1:2010 CSV Insulation co-ordination - Part 1: Definitions, principles and rules
    EN 1990:2002/A1:2005/AC:2010 EUROCODE - BASIS OF STRUCTURAL DESIGN
    EN 1991-1-4:2005/A1:2010 EUROCODE 1: ACTIONS ON STRUCTURES - PART 1-4: GENERAL ACTIONS - WIND ACTIONS
    EN 1993-1-8:2005/AC:2009 EUROCODE 3: DESIGN OF STEEL STRUCTURES - PART 1-8: DESIGN OF JOINTS
    IEC 60120:1984 Dimensions of ball and socket couplings of string insulator units
    IEC 61466-2:1998+AMD1:2002 CSV Composite string insulator units for overhead lines with a nominal voltage greater than 1 000 V - Part 2: Dimensional and electrical characteristics
    IEC TS 60815-1:2008 Selection and dimensioning of high-voltage insulators intended for use in polluted conditions - Part 1: Definitions, information and general principles
    EN 61232:1995/A11:2000 ALUMINIUM CLAD STEEL WIRES FOR ELECTRICAL PURPOSES
    EN 61773:1996 Overhead lines - Testing of foundations for structures
    EN 61952:2008 Insulators for overhead lines - Composite line post insulators for A.C. systems with a nominal voltage greater than 1 000 V - Definitions, test methods and acceptance criteria
    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
    IEC TR 60575:1977 Thermal-mechanical performance test and mechanical performance test on string insulator units
    IEC TS 60815-3:2008 Selection and dimensioning of high-voltage insulators intended for use in polluted conditions - Part 3: Polymer insulators for a.c. systems
    EN 60383-2:1995 Insulators for overhead lines with a nominal voltage above 1 kV - Part 2: Insulator strings and insulator sets for a.c. systems - Definitions, test methods and acceptance criteria
    EN 60038 : 2011 CENELEC STANDARD VOLTAGES (IEC 60038:2009, MODIFIED)
    EN 1993-1-11:2006/AC:2009 EUROCODE 3 - DESIGN OF STEEL STRUCTURES - PART 1-11: DESIGN OF STRUCTURES WITH TENSION COMPONENTS
    IEC 61897:1998 Overhead lines - Requirements and tests for Stockbridge type aeolian vibration dampers
    EN 1993-1-1:2005/A1:2014 EUROCODE 3: DESIGN OF STEEL STRUCTURES - PART 1-1: GENERAL RULES AND RULES FOR BUILDINGS
    EN 55016-1-1:2010/A2:2014 SPECIFICATION FOR RADIO DISTURBANCE AND IMMUNITY MEASURING APPARATUS AND METHODS - PART 1-1: RADIO DISTURBANCE AND IMMUNITY MEASURING APPARATUS - MEASURING APPARATUS (CISPR 16-1-1:2010/A2:2014)
    EN 61284:1997 Overhead lines - Requirements and tests for fittings
    EN 61466-2:1998/A1:2002 COMPOSITE STRING INSULATOR UNITS FOR OVERHEAD LINES WITH A NOMINAL VOLTAGE GREATER THAN 1 KV - PART 2: DIMENSIONAL AND ELECTRICAL CHARACTERISTICS
    EN 61467:2008 Insulators for overhead lines - Insulator strings and sets for lines with a nominal voltage greater than 1 000 V - AC power arc tests
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