• IEC 60255-5:2000

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Electrical Relays - Part 5: Insulation coordination for measuring relays and protection equipment - Requirements and tests

    Available format(s):  Hardcopy, PDF, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Superseded date:  01-11-2013

    Language(s):  English - French, Spanish, Castilian

    Published date:  14-12-2000

    Publisher:  International Electrotechnical Committee

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

    FOREWORD
    INTRODUCTION
    Clause
    1 Scope and object
    2 Normative references
    3 Definitions
    4 Insulation coordination
      4.1 Basic principles
      4.2 Voltages and voltage ratings
      4.3 Time under voltage stress
      4.4 Pollution
      4.5 Information to be found on the relay or in the
          operating instructions
      4.6 Insulation material
    5 Dimensioning requirements and rules
      5.1 Dimensioning of clearances
      5.2 Dimensioning of creepage distances
      5.3 Requirements for design of solid insulation
    6 Tests and measurements
      6.1 Tests
      6.2 Measurements
    Annex A (informative) Nominal voltages of supply systems
    Annex B (informative) Altitude correction factors
    Annex C (informative) Guidance for impulse voltage tests
    Annex D (informative) Measurement of creepage distances
            and clearances

    Abstract - (Show below) - (Hide below)

    Lays down general requirements for the insulation coordination of measuring relays and protection equipment. Gives guidance for the selection of clearances and creepage distances and other aspects related to the insulation of measuring relays and protection equipment; specifies requirements for voltage tests and insulation resistance measurement.

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

    Committee TC 95
    Development Note Also numbered as BS EN 60255-5 (06/2001) Stability Date: 2013. (10/2012)
    Document Type Standard
    Publisher International Electrotechnical Committee
    Status Superseded
    Superseded By
    Supersedes

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

    BS EN 60255-1 : 2010 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 1: COMMON REQUIREMENTS
    BS EN 50216-2:2002 Power transformers and reactor fittings Gas and oil actuated relay for liquid immersed transformers and reactors with conservator
    BS EN 60143-4 : 2010 SERIES CAPACITORS FOR POWER SYSTEMS - PART 4: THYRISTOR CONTROLLED SERIES CAPACITORS
    04/30111859 DC : 0 IEC 62271-1 - HIGH-VOLTAGE SWITCHGEAR AND CONTROL GEAR - PART 1: COMMON SPECIFICATIONS
    BS EN 50216-1:2002 Power transformers and reactor fittings General
    BS QC 160100(1987) : 1987 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - ELECTRICAL RELAYS - SECTIONAL SPECIFICATION: ELECTROMECHANICAL ALL-OR-NOTHING RELAYS
    BS EN 60255-27 : 2014 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 27: PRODUCT SAFETY REQUIREMENTS
    I.S. EN 60143-4:2010 SERIES CAPACITORS FOR POWER SYSTEMS - PART 4: THYRISTOR CONTROLLED SERIES CAPACITORS
    I.S. EN 60044-8:2002 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRANSFORMERS
    NF EN 60143-4 : 2011 SERIES CAPACITORS FOR POWER SYSTEMS - PART 4: THYRISTOR CONTROLLED SERIES CAPACITORS
    CSA C60044-8 : 2007 : R2016 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRANSFORMERS
    I.S. EN 60694:1999 COMMON SPECIFICATIONS FOR HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR STANDARDS
    I.S. EN 60495:1994 SINGLE SIDEBAND POWER-LINE CARRIER TERMINALS
    13/30238229 DC : 0 BS EN 62052-31 - ELECTRICITY METERING EQUIPMENT (AC) - GENERAL REQUIREMENTS, TEST AND TEST CONDITIONS - PART 31: PRODUCT SAFETY REQUIREMENTS
    IEC 60694:1996+AMD1:2000+AMD2:2001 CSV Common specifications for high-voltage switchgear and controlgear standards
    EN 50216-2 : 2002 AMD 1 2002 POWER TRANSFORMER AND REACTOR FITTINGS - PART 2: GAS AND OIL ACTUATED RELAY FOR LIQUID IMMERSED TRANSFORMERS AND REACTORS WITH CONSERVATOR
    EN 50216-1:2002 Power transformer and reactor fittings - Part 1: General
    EN 60694:1996/A2:2001 COMMON SPECIFICATIONS FOR HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR STANDARDS
    EN 60255-27:2014 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 27: PRODUCT SAFETY REQUIREMENTS (IEC 60255-27:2013)
    CEI 13-32 : 2000 WATT-VAR-HOUR METERS FOR LOW-VOLTAGE THREE-PHASE NETWORKS (INTEGRATED UNITS) PRESETTED FOR PROCESSING AND REMOTE MANAGEMENT OF DATA WITH OR WITHOUT INSERTION OF CURRENT TRANSFORMERS
    BS 7494-2(1993) : 1993 PERFORMANCE AND TESTING OF TELEPROTECTION EQUIPMENT OF POWER SYSTEMS - ANALOGUE COMPARISON SYSTEM
    11/30250287 DC : 0 BS EN 60255-27 - MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 27: PRODUCT SAFETY REQUIREMENTS
    16/30328917 DC : DRAFT APR 2016 BS EN 62488-2 ED 1.0 - POWER LINE COMMUNICATION SYSTEMS FOR POWER UTILITY APPLICATIONS - PART 2: ANALOGUE POWER LINE CARRIER TERMINALS (APLC)
    08/30179134 DC : DRAFT MAR 2008 BS EN 60143-4 - SERIES CAPACITORS FOR POWER SYSTEMS - PART 4: THYRISTOR CONTROLLED SERIES CAPACITORS
    I.S. EN 60255-27:2014 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 27: PRODUCT SAFETY REQUIREMENTS
    BS 7494-1(1991) : 1991 PERFORMANCE AND TESTING OF TELEPROTECTION EQUIPMENT OF POWER SYSTEMS - SPECIFICATION FOR NARROW-BAND COMMAND SYSTEMS
    CEI EN 62488-1 : 2013 POWER LINE COMMUNICATION SYSTEMS FOR POWER UTILITY APPLICATIONS - PART 1: PLANNING OF ANALOGUE AND DIGITAL POWER LINE CARRIER SYSTEMS OPERATING OVER EHV/HV/MV ELECTRICITY GRIDS
    BS EN 50123-5 : 2003 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SWITCHGEAR - PART 5: SURGE ARRESTERS AND LOW-VOLTAGE LIMITERS FOR SPECIFIC USE IN D.C. SYSTEMS
    CSA C60044-8 : 2007 : R2011 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRANSFORMERS
    BS EN 60044-8:2002 Instrument transformers Electronic current transformers
    CEI EN 50216-1 : 2002 POWER TRANSFORMER AND REACTOR FITTINGS - PART 1: GENERAL
    CEI EN 60143-4 : 2012 SERIES CAPACITORS FOR POWER SYSTEMS - PART 4: THYRISTOR CONTROLLED SERIES CAPACITORS
    VDE 0414-44-7 : 2000 INSTRUMENT TRANSFORMERS - PART 7: ELECTRONIC VOLTAGE TRANSFORMERS
    VDE 0435-303 : 1984 ELECTRICAL RELAYS; STATIC MEASURING RELAYS (SMR)
    DIN EN 60044-7 : 2000 INSTRUMENT TRANSFORMERS - PART 7: ELECTRONIC VOLTAGE TRANSFORMERS
    DIN EN 60255-23 : 1997 ELECTRICAL RELAYS - PART 23: CONTACT PERFORMANCE
    DIN 57435-303 : 1984 ELECTRICAL RELAYS: STATIC MEASURING RELAYS
    IEEE C57.15 : 2009 REQUIREMENTS, TERMINOLOGY, AND TEST CODE FOR STEP-VOLTAGE REGULATORS
    BS EN 62488-1 : 2013 POWER LINE COMMUNICATION SYSTEMS FOR POWER UTILITY APPLICATIONS - PART 1: PLANNING OF ANALOGUE AND DIGITAL POWER LINE CARRIER SYSTEMS OPERATING OVER EHV/HV/MV ELECTRICITY GRIDS
    CEI EN 60044-7 : 2001 INSTRUMENT TRANSFORMERS - PART 7: ELECTRONIC VOLTAGE TRANSFORMERS
    BS EN 50123-7-1:2003 Railway applications. Fixed installations. d.c. switchgear. Measurement, control and protection devices for specific use in d.c. traction systems Measurement, control and protection devices for specific use in d.c. traction systems. Application guide
    03/304152 DC : DRAFT MAR 2003 IEC 61850-10 ED.1.0 - COMMUNICATION NETWORKS AND SYSTEMS IN SUBSTATIONS - PART 10: CONFORMANCE TESTING
    I.S. EN 50123-7-1:2003 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SWITCHGEAR - PART 7-1: MEASUREMENT, CONTROL AND PROTECTION DEVICES FOR SPECIFIC USE IN D.C. TRACTION SYSTEMS - APPLICATION GUIDE
    I.S. EN 50216-2:2002 POWER TRANSFORMER AND REACTOR FITTINGS - PART 2: GAS AND OIL ACTUATED RELAY FOR LIQUID IMMERSED TRANSFORMERS AND REACTORS WITH CONSERVATOR
    BS EN 60143-2:2013 Series capacitors for power systems Protective equipment for series capacitor banks
    EN 60044-7 : 2000 INSTRUMENT TRANSFORMERS - PART 7: ELECTRONIC VOLTAGE TRANSFORMERS
    NF EN 60044-8 : 2006 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRANSDUCERS
    CSA C60044-8 :2007 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRANSFORMERS
    CEI EN 60143-2 : 2014 SERIES CAPACITORS FOR POWER SYSTEMS - PART 2: PROTECTIVE EQUIPMENT FOR SERIES CAPACITOR BANKS
    IEC 62505-3-1:2009 Railway applications - Fixed installations - Particular requirements for a.c. switchgear - Part 3-1: Measurement, control and protection devices for specific use in a.c. tractions systems - Application guide
    IEEE 1207 : 2011 GUIDE FOR THE APPLICATION OF TURBINE GOVERNING SYSTEMS FOR HYDROELECTRIC GENERATING UNITS
    BS IEC 60076-21:2011 POWER TRANSFORMERS - PART 21: STANDARD REQUIREMENTS, TERMINOLOGY, AND TEST CODE FOR STEP-VOLTAGE REGULATORS
    I.S. EN 62488-1:2013 POWER LINE COMMUNICATION SYSTEMS FOR POWER UTILITY APPLICATIONS - PART 1: PLANNING OF ANALOGUE AND DIGITAL POWER LINE CARRIER SYSTEMS OPERATING OVER EHV/HV/MV ELECTRICITY GRIDS (IEC 62488-1:2012 (EQV))
    IEC 61992-7-1:2006 Railway applications - Fixed installations - DC switchgear - Part 7-1: Measurement, control and protection devices for specific use in d.c. traction systems - Application guide
    IEC 62103:2003 Electronic equipment for use in power installations
    IEC 60143-4:2010 Series capacitors for power systems - Part 4: Thyristor controlled series capacitors
    IEC 60044-8:2002 Instrument transformers - Part 8: Electronic current transformers
    BS 142-2.3(1991) : 1991 ELECTRICAL PROTECTION RELAYS - REQUIREMENTS FOR THE PRINCIPAL FAMILIES OF PROTECTION RELAYS - SPECIFICATION FOR THERMAL ELECTRICAL RELAYS
    EN 50123-5:2003 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SWITCHGEAR - PART 5: SURGE ARRESTERS AND LOW-VOLTAGE LIMITERS FOR SPECIFIC USE IN D.C. SYSTEMS
    BS 142-1.4.1:1990
    CEI EN 60044-8 : 2004 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRASFORMERS
    BS EN 60044-7 : 2000 INSTRUMENT TRANSFORMERS - PART 7 - ELECTRONIC VOLTAGE TRANSFORMERS
    I.S. EN 60143-2:2013 SERIES CAPACITORS FOR POWER SYSTEMS - PART 2: PROTECTIVE EQUIPMENT FOR SERIES CAPACITOR BANKS (IEC 60143-2:2012 (EQV))
    10/30227237 DC : 0 BS EN 62488-1 - PLANNING OF ANALOGUE AND DIGITAL POWER LINE CARRIER SYSTEMS - PART 1: OPERATING OVER EHV/HV/MV ELECTRICITY GRIDS
    CSA C60044-7 : 2007 : R2016 INSTRUMENT TRANSFORMERS - PART 7: ELECTRONIC VOLTAGE TRANSFORMERS
    BS 5992-2(1980) : AMD 9688 ELECTRICAL RELAYS - SPECIFICATION FOR - ALL - OR - NOTHING ELECTRICAL RELAYS
    04/30117565 DC : DRAFT AUG 2004 EN 50438 - REQUIREMENTS FOR THE CONNECTION OF MICRO-COGENERATORS IN PARALLEL WITH PUBLIC LOW-VOLTAGE DISTRIBUTION NETWORKS
    01/206938 DC : DRAFT OCT 2001 IEC 60255-27 ED.1.0 - MEASURING RELAYS AND EQUIPMENT - PART 27: PRODUCT SAFETY REQUIREMENTS FOR MEASURING RELAYS AND PROTECTION EQUIPMENT
    CSA C60044-7 : 2007 : R2011 INSTRUMENT TRANSFORMERS - PART 7: ELECTRONIC VOLTAGE TRANSFORMERS
    CSA C60044-7 : 2007 INSTRUMENT TRANSFORMERS - PART 7: ELECTRONIC VOLTAGE TRANSFORMERS
    I.S. EN 50216-1:2002 POWER TRANSFORMER AND REACTOR FITTINGS - PART 1: GENERAL
    CEI EN 60255-27 : 2014 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 27: PRODUCT SAFETY REQUIREMENTS
    CEI EN 60255-1 : 2011 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 1: COMMON REQUIREMENTS
    IEC 60076-21:2011 Power transformers - Part 21: Standard requirements, terminology, and test code for step-voltage regulators
    95/214868 DC : 0 PREN 50178 - ELECTRONIC EQUIPMENT FOR USE IN POWER INSTALLATIONS
    IEC 60495:1993 Single sideband power-line carrier terminals
    IEC 60255-1:1967 Electrical relays - Part 1: Instantaneous all-or-nothing relays
    IEC 60143-2:2012 Series capacitors for power systems - Part 2: Protective equipment for series capacitor banks
    IEC 62488-1:2012 Power line communication systems for power utility applications - Part 1: Planning of analogue and digital power line carrier systems operating over EHV/HV/MV electricity grids
    IEC 60044-7:1999 Instrument transformers - Part 7: Electronic voltage transformers
    BS CECC 16000-1:1992 Harmonized system of quality assessment for electronic components. Generic specification: electromechanical all-or-nothing relays General
    11/30245197 DC : 0 BS EN 60143-2 - SERIES CAPACITORS FOR POWER SYSTEMS - PART 2: PROTECTIVE EQUIPMENTS FOR SERIES CAPACITOR BANKS
    BS EN 60694 : 1997 COMMON SPECIFICATION FOR HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR STANDARDS
    ENA ER G83/2 : ISSUE 2 2012 RECOMMENDATIONS FOR THE CONNECTION OF TYPE TESTED SMALL-SCALE EMBEDDED GENERATORS (UP TO 16A PER PHASE) IN PARALLEL WITH LOW-VOLTAGE DISTRIBUTION SYSTEMS
    IEC 60834-2:1993 Performance and testing of teleprotection equipment of power systems - Part 2: Analogue comparison systems
    EN 60255-23 : 1996 ELECTRIC RELAYS - CONTACT PERFORMANCE
    CEI EN 50123-7-1 : 2003 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SWITCHGEAR - PART 7-1: MEASUREMENT, CONTROL AND PROTECTION DEVICES FOR SPECIFIC USE IN D.C. TRACTION SYSTEMS - APPLICATION GUIDE
    I.S. EN 60255-1:2010 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 1: COMMON REQUIREMENTS
    IEC 60255-23:1994 Electrical relays - Part 23: Contact performance
    EN 62488-1 : 2013 POWER LINE COMMUNICATION SYSTEMS FOR POWER UTILITY APPLICATIONS - PART 1: PLANNING OF ANALOGUE AND DIGITAL POWER LINE CARRIER SYSTEMS OPERATING OVER EHV/HV/MV ELECTRICITY GRIDS (IEC 62488-1:2012)
    EN 50123-7-1:2003 Railway applications - Fixed installations - D.C. switchgear - Part 7-1: Measurement, control and protection devices for specific use in d.c. traction systems - Application guide
    EN 60143-4 : 2010 SERIES CAPACITORS FOR POWER SYSTEMS - PART 4: THYRISTOR CONTROLLED SERIES CAPACITORS
    EN 60255-1 : 2010 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 1: COMMON REQUIREMENTS
    EN 60143-2:2013 SERIES CAPACITORS FOR POWER SYSTEMS - PART 2: PROTECTIVE EQUIPMENT FOR SERIES CAPACITOR BANKS (IEC 60143-2:2012)
    EN 60044-8:2002 Instrument transformers - Part 8: Electronic current transformers

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

    IEC 60050-151:2001 International Electrotechnical Vocabulary (IEV) - Part 151: Electrical and magnetic devices
    IEC 60085:2007 Electrical insulation - Thermal evaluation and designation
    IEC 60060-1:2010 High-voltage test techniques - Part 1: General definitions and test requirements
    IEC 60050-448:1995 International Electrotechnical Vocabulary (IEV) - Part 448: Power system protection
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