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  • 11/30244275 DC : 0

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    BS EN 60255-149 - MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 149: FUNCTIONAL REQUIREMENTS FOR THERMAL PROTECTION

    Available format(s):  Hardcopy, PDF

    Superseded date:  31-10-2013

    Language(s):  English

    Published date: 

    Publisher:  British Standards Institution

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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
    5 Performance specification
    6 Functional test methodology
    7 Documentation requirements
    Annex A (informative) - Simple first-order thermal
            model of electrical equipment
    Annex B (informative) - Basic characteristics,
            calculation and measurement of thermal time
            constant (tau) of industrial electrical equipment
    Annex C (informative) - Thermal electrical relays
            which use temperature as setting parameters
    Bibliography

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

    Comment Closes On
    Committee PEL/95
    Document Type Draft
    Publisher British Standards Institution
    Status Superseded
    Superseded By

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

    IEC 61850-9-1:2003 Communication networks and systems in substations - Part 9-1: Specific Communication Service Mapping (SCSM) - Sampled values over serial unidirectional multidrop point to point link
    IEC 60947-4-1:2009+AMD1:2012 CSV Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters
    IEC 60050-447:2010 International Electrotechnical Vocabulary (IEV) - Part 447: Measuring relays
    IEC 60085:2007 Electrical insulation - Thermal evaluation and designation
    IEC 61850-9-2:2011 Communication networks and systems for power utility automation - Part 9-2: Specific communication service mapping (SCSM) - Sampled values over ISO/IEC 8802-3
    IEC 60947-4-2:2011 Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters - AC semiconductor motor controllers and starters
    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 61850-10:2012 Communication networks and systems for power utility automation - Part 10: Conformance testing
    IEEE C37.96-2012 REDLINE IEEE Guide for AC Motor Protection
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