• I.S. EN 61986:2002

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    ROTATING ELECTRICAL MACHINES - EQUIVALENT LOADING AND SUPER-POSITION TECHNIQUES - INDIRECT TESTING TO DETERMINE TEMPERATURE RISE

    Available format(s):  Hardcopy, PDF

    Superseded date:  12-01-2010

    Language(s):  English

    Published date:  01-01-2002

    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)

    1 Scope
    2 Normative references
    3 Symbols and units
    4 General test requirements
    5 Principle of superposition tests
       5.1 General
       5.2 Permissible temperature rise at superposition
           tests
    6 Superposition methods for induction motors
       6.1 Method of reduced voltage and rated current
       6.2 Method of rated voltage and reduced current
       6.3 Method for wound-rotor induction motors
    7 Superposition methods for synchronous machines
       7.1 Method of open circuit, short circuit, zero
           excitation
       7.2 Method of zero power factor and open circuit
           loading
    8 Superposition method for d.c. machines
    9 Principle of equivalent load tests
       9.1 General
       9.2 Permissible temperature rise at equivalent
           load tests
    10 Equivalent load tests for induction motors
       10.1 Forward short-circuit test
       10.2 Modulated frequency method
       10.3 DC injection
       10.4 Mixed-frequency or bi-frequency method
    11 Equivalent load test for synchronous machines -
       Zero power factor
    Annex ZA (normative) Normative references to
             international publications with their
             corresponding European publications

    Abstract - (Show below) - (Hide below)

    Applies to machines covered by I.S. EN 60034-1 when they cannot be loaded to a specific condition (rated or otherwise) for whatever reason.

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

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Superseded
    Superseded By
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