• I.S. EN 60034-26:2006

    Current The latest, up-to-date edition.

    ROTATING ELECTRICAL MACHINES - PART 26: EFFECTS OF UNBALANCED VOLTAGES ON THE PERFORMANCE OF THREE-PHASE CAGE INDUCTION MOTORS

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2006

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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

    National Foreword
    FOREWORD
    INTRODUCTION
    1 Scope
    2 Normative references
    3 Effects of unbalanced voltages on performance
      3.1 Currents
      3.2 Heating
      3.3 Torques
      3.4 Full-load speed
    4 Derating of motor to prevent overheating
    Annex A (informative) Determination of the symmetrical
                          components of the line-to-line voltages
                          U[1], U[2], U[3] of a three-phase system
    Annex B (informative) Approximate determination
    Annex ZA (normative) Normative references to international
                         publications with their corresponding
                         European publications

    Abstract - (Show below) - (Hide below)

    Describes the effects of unbalanced voltages on the performance of three-phase cage induction motors.

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

    Development Note For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Current

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

    EN 60034-12:2017 Rotating electrical machines - Part 12: Starting performance of single-speed three-phase cage induction motors
    IEC 60034-12:2016 Rotating electrical machines - Part 12: Starting performance of single-speed three-phase cage induction motors
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