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  • IEC TR 61857-2:2015

    Current The latest, up-to-date edition.

    Electrical insulation systems - Procedures for thermal evaluation - Part 2: Selection of the appropriate test method for evaluation and classification of electrical insulation systems

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

    Language(s):  English

    Published date:  13-04-2015

    Publisher:  International Electrotechnical Committee

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

    FOREWORD
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 General information
    5 Design and development of the scope of work
      for the EIS evaluation
    6 Test methods for the evaluation and classification
      of EIS

    Abstract - (Show below) - (Hide below)

    IEC TR 61857-2:2015(E) gives guidelines to identify the appropriate test method to be used for the evaluation of a proposed Electrical Insulation System (EIS). Some of the standards are for evaluation and classification of the EIS, while other standards identify the appropriate method to evaluate single or multi-factor stresses of a proposed or of an established EIS. This Technical Report is applicable to existing or proposed EIS used in electrotechnical products across a wide range of operating voltages of IEC Standards. The report takes care to select the appropriate standard based on construction and intended operating conditions.

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

    Committee TC 112
    Development Note Stability date: 2020. (04/2015)
    Document Type Technical Report
    Publisher International Electrotechnical Committee
    Status Current

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

    BS EN 61857-31:2017 Electrical insulation systems. Procedures for thermal evaluation Applications with a designed life of 5 000 h or less
    CEI EN 61857-31 : 1ED 2017 ELECTRICAL INSULATION SYSTEMS - PROCEDURES FOR THERMAL EVALUATION - PART 31: APPLICATIONS WITH A DESIGNED LIFE OF 5000 H OR LESS
    I.S. EN 61857-31:2017 ELECTRICAL INSULATION SYSTEMS - PROCEDURES FOR THERMAL EVALUATION - PART 31: APPLICATIONS WITH A DESIGNED LIFE OF 5000 H OR LESS
    IEC 61857-31:2017 Electrical insulation systems - Procedures for thermal evaluation - Part 31: Applications with a designed life of 5 000 h or less
    16/30333476 DC : 0 BS EN 61857-31 - ELECTRICAL INSULATION SYSTEMS-PROCEDURES FOR THERMAL EVALUATION - PART 31: APPLICATIONS WITH A DESIGNED LIFE LESS THAN 5000 HOURS
    EN 61857-31:2017 Electrical insulation systems - Procedures for thermal evaluation - Part 31: Applications with a designed life of 5 000 h or less

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

    IEC 61858-1:2014 Electrical insulation systems - Thermal evaluation of modifications to an established electrical insulation system (EIS) - Part 1: Wire-wound winding EIS
    IEC TS 62332-1:2011 Electrical insulation systems (EIS) - Thermal evaluation of combined liquid and solid components - Part 1: General requirements
    IEC TS 62101:2005 Electrical insulation systems - Short-time evaluation of combined thermal and electrical stresses
    IEC 61858-2:2014 Electrical insulation systems - Thermal evaluation of modifications to an established electrical insulation system (EIS) - Part 2: Form-wound EIS
    IEC TS 61934:2011 Electrical insulating materials and systems - Electrical measurement of partial discharges (PD) under short rise time and repetitive voltage impulses
    IEC 61857-21:2009 Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose models - Wire-wound applications
    IEC 60505:2011 Evaluation and qualification of electrical insulation systems
    IEC TS 62332-2:2014 Electrical insulation systems (EIS) - Thermal evaluation of combined liquid and solid components - Part 2: Simplified test
    IEC 61857-1:2008 Electrical insulation systems - Procedures for thermal evaluation - Part 1: General requirements - Low-voltage
    IEC 61857-22:2008 Electrical insulation systems - Procedures for thermal evaluation - Part 22: Specific requirements for encapsulated-coil model - Wire-wound electrical insulation system (EIS)
    IEC 62068:2013 Electrical insulating materials and systems - General method of evaluation of electrical endurance under repetitive voltage impulses
    IEC 60034-18-21:2012 Rotating electrical machines - Part 18-21: Functional evaluation of insulation systems - Test procedures for wire-wound windings - Thermal evaluation and classification
    IEC 60034-18-31:2012 Rotating electrical machines - Part 18-31: Functional evaluation of insulation systems - Test procedures for form-wound windings - Thermal evaluation and classification of insulation systems used in rotating machines
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