• IEC 60255-151:2009

    Current The latest, up-to-date edition.

    Measuring relays and protection equipment - Part 151: Functional requirements for over/under current protection

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

    Language(s):  English - French

    Published date:  28-08-2009

    Publisher:  International Electrotechnical Committee

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

    FOREWORD
    1 Scope and object
    2 Normative references
    3 Terms and definitions
    4 Specification of the function
      4.1 General
      4.2 Input Energizing quantities/energizing quantities
      4.3 Binary input signals
      4.4 Functional logic
          4.4.1 Operating characteristics
          4.4.2 Reset characteristics
      4.5 Binary output signals
          4.5.1 Start (pick-up) signal
          4.5.2 Operate (trip) signal
          4.5.3 Other binary output signals
      4.6 Additional influencing functions/conditions
      4.7 Specific characteristics
    5 Performance specification
      5.1 Accuracy related to the characteristic quantity
      5.2 Accuracy related to the operate time
      5.3 Accuracy related to the reset time
      5.4 Transient performance
          5.4.1 Transient overreach
          5.4.2 Overshoot time
          5.4.3 Response to time varying value of the characteristic
                quantity
      5.5 Current transformer requirements
    6 Functional test methodology
      6.1 General
      6.2 Determination of steady state errors related to the
          characteristic quantity
          6.2.1 Accuracy of setting (start) value
          6.2.2 Reset ratio determination
      6.3 Determination of steady state errors related to the
          start and operate time
      6.4 Determination of steady state errors related to the
          reset time
      6.5 Determination of transient performance
          6.5.1 General
          6.5.2 Transient overreach
          6.5.3 Overshoot time
          6.5.4 Response to time varying value of the characteristic
                quantity for dependent time relays
    7 Documentation requirements
      7.1 Type test report
      7.2 Other user documentation
    Annex A (normative) Constants for dependent time
            operating and reset characteristics
    Annex B (informative) Reset time determination for relays
            with trip output only
    Bibliography

    Abstract - (Show below) - (Hide below)

    IEC 60255-151:2009 specifies minimum requirements for over/under current relays. It includes a specification of the protection function, measurement characteristics and time delay characteristics. Defines the influencing factors that affect the accuracy under steady state conditions and performance characteristics during dynamic conditions.

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

    Committee TC 95
    Development Note Supersedes IEC 60255-3. (08/2009) Stability Date: 2018. (09/2017)
    Document Type Standard
    Publisher International Electrotechnical Committee
    Status Current
    Supersedes

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

    BS IEC/IEEE 62271-37-013:2015 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - ALTERNATING-CURRENT GENERATOR CIRCUIT-BREAKERS
    14/30257408 DC : 0 BS IEC/IEEE 62271-37-013 ED 1.0 - HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 37-013: ALTERNATING-CURRENT GENERATOR CIRCUIT-BREAKERS
    I.S. EN 62488-2:2017 POWER LINE COMMUNICATION SYSTEMS FOR POWER UTILITY APPLICATIONS - PART 2: ANALOGUE POWER LINE CARRIER TERMINALS OR APLC
    EN 60688:2013 ELECTRICAL MEASURING TRANSDUCERS FOR CONVERTING A.C. AND D.C. ELECTRICAL QUANTITIES TO ANALOGUE OR DIGITAL SIGNALS (IEC 60688:2012)
    11/30241212 DC : DRAFT JAN 2011 BS EN 60688 - ELECTRICAL MEASURING TRANSDUCERS FOR CONVERTING A.C. ELECTRICAL QUANTITIES TO ANALOGUE OR DIGITAL SIGNALS
    CEI EN 50438 : 2014 REQUIREMENTS FOR MICRO-GENERATING PLANTS TO BE CONNECTED IN PARALLEL WITH PUBLIC LOW-VOLTAGE DISTRIBUTION NETWORKS
    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
    S.R. CLC/TS 50549-2:2015 REQUIREMENTS FOR GENERATING PLANTS TO BE CONNECTED IN PARALLEL WITH DISTRIBUTION NETWORKS - PART 2: CONNECTION TO A MV DISTRIBUTION NETWORK
    I.S. EN 50438:2013 REQUIREMENTS FOR MICRO-GENERATING PLANTS TO BE CONNECTED IN PARALLEL WITH PUBLIC LOW-VOLTAGE DISTRIBUTION NETWORKS
    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
    BS EN 50438:2013 (published 2015-06) Requirements for micro-generating plants to be connected in parallel with public low-voltage distribution networks
    16/30344492 DC : 0 BS EN 61850-7-3+A1 - COMMUNICATION NETWORKS AND SYSTEMS FOR POWER UTILITY AUTOMATION - PART 7-3: BASIC COMMUNICATION STRUCTURE - COMMON DATA CLASSES
    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))
    IEEE/IEC C37.60-2012 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 111: AUTOMATIC CIRCUIT RECLOSERS AND FAULT INTERRUPTERS FOR ALTERNATING CURRENT SYSTEMS UP TO 38 KV
    BS EN 62488-2:2017 POWER LINE COMMUNICATION SYSTEMS FOR POWER UTILITY APPLICATIONS - PART 2: ANALOGUE POWER LINE CARRIER TERMINALS OR APLC (IEC 62488-2:2017)
    BS EN 60688:2013 Electrical measuring transducers for converting A.C. and D.C. electrical quantities to analogue or digital signals
    PD IEC/TR 61869-100:2017 Instrument transformers Guidance for application of current transformers in power system protection
    CLC/TS 50549-2:2015 REQUIREMENTS FOR GENERATING PLANTS TO BE CONNECTED IN PARALLEL WITH DISTRIBUTION NETWORKS - PART 2: CONNECTION TO A MV DISTRIBUTION NETWORK
    EN 62488-2:2017 POWER LINE COMMUNICATION SYSTEMS FOR POWER UTILITY APPLICATIONS - PART 2: ANALOGUE POWER LINE CARRIER TERMINALS OR APLC (IEC 62488-2:2017)
    IEC 62271-111:2012 High-voltage switchgear and controlgear - Part 111: Automatic circuit reclosers and fault interrupters for alternating current systems up to 38 kV
    IEC TR 61869-100:2017 Instrument transformers - Part 100: Guidance for application of current transformers in power system protection
    IEC 60688:2012 Electrical measuring transducers for converting A.C. and D.C. electrical quantities to analogue or digital signals
    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
    UNE-EN 60688:2013 Electrical measuring transducers for converting A.C. and D.C. electrical quantities to analogue or digital signals
    I.S. EN 60688:2013 ELECTRICAL MEASURING TRANSDUCERS FOR CONVERTING A.C. AND D.C. ELECTRICAL QUANTITIES TO ANALOGUE OR DIGITAL SIGNALS (IEC 60688:2012 (EQV))
    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 50438:2013 REQUIREMENTS FOR MICRO-GENERATING PLANTS TO BE CONNECTED IN PARALLEL WITH PUBLIC LOW-VOLTAGE DISTRIBUTION NETWORKS

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

    IEC GUIDE 107:2014 Electromagnetic compatibility - Guide to the drafting of electromagnetic compatibility publications
    IEC 60050-447:2010 International Electrotechnical Vocabulary (IEV) - Part 447: Measuring relays
    IEC 60255-1:1967 Electrical relays - Part 1: Instantaneous all-or-nothing relays
    IEC 61850-7-4:2010 Communication networks and systems for power utility automation - Part 7-4: Basic communication structure - Compatible logical node classes and data object classes
    IEC 60255-8:1990 Electrical relays - Part 8: Thermal electrical relays
    IEC 60050-444:2002 International Electrotechnical Vocabulary (IEV) - Part 444: Elementary relays
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