• BS EN 60255-151:2009

    Current The latest, up-to-date edition.

    Measuring relays and protection equipment Functional requirements for over/under current protection

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  31-08-2010

    Publisher:  British Standards Institution

    Add To Cart

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

    1 Scope and object
    2 Normative references
    3 Terms and definitions
    4 Specification of the function
    5 Performance specification
    6 Functional test methodology
    7 Documentation requirements
    Annex A (normative) - Constants for dependent time operating
            and reset characteristics
    Annex B (informative) - Reset time determination for relays
            with trip output only
    Annex ZA (normative) - Normative references to international
             publications with their corresponding European
             publications
    Bibliography

    Abstract - (Show below) - (Hide below)

    Defines minimum requirements for over/under current relays. It includes a specification of the protection function, measurement characteristics and time delay characteristics.

    Scope - (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 PEL/95
    Development Note Supersedes 07/30168458 DC. (08/2010) Together with BS EN 60255-127, it supersedes BS EN 60255-3. (02/2014)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

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

    IEC GUIDE 107:2014 Electromagnetic compatibility - Guide to the drafting of electromagnetic compatibility publications
    EN 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
    EN 60255-8 : 1998 ELECTRICAL RELAYS - PART 8: THERMAL ELECTRICAL RELAYS
    IEC 60050-447:2010 International Electrotechnical Vocabulary (IEV) - Part 447: Measuring relays
    EN 60255-1:2010 Measuring relays and protection equipment - Part 1: Common requirements
    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
    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective