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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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

    Superseded date:  01-07-2008

    Language(s): 

    Published date:  13-01-2013

    Publisher:  European Committee for Standards - Electrical

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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)

    Gives descriptions of various indirect load tests, the purpose of which is to determine the temperature rise of rotating electrical machines, including a.c. induction machines, a.c. synchronous machines and d.c. machines.

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

    Committee TC 2
    Document Type Standard
    Publisher European Committee for Standards - Electrical
    Status Superseded
    Superseded By

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

    BS EN 60027-4:2007 LETTER SYMBOLS TO BE USED IN ELECTRIC TECHNOLOGY - PART 4: ROTATING ELECTRIC MACHINES
    CEI EN 60027-4 : 2008 LETTER SYMBOLS TO BE USED IN ELECTRICAL TECHNOLOGY - PART 4: ROTATING ELECTRICAL MACHINES
    I.S. EN 60027-4:2007 LETTER SYMBOLS TO BE USED IN ELECTRIC TECHNOLOGY - PART 4: ROTATING ELECTRIC MACHINES
    EN 60027-4 : 2007 LETTER SYMBOLS TO BE USED IN ELECTRIC TECHNOLOGY - PART 4: ROTATING ELECTRIC MACHINES
    UNE-EN 60027-4:2011 Letter symbols to be used in electrical technology -- Part 4: Rotating electric machines

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

    EN 60034-1:2010/corrigendum Oct. 2010 ROTATING ELECTRICAL MACHINES - PART 1: RATING AND PERFORMANCE
    IEC 60034-1:2017 Rotating electrical machines - Part 1: Rating and performance
    IEC 60034-2:1972 Rotating electrical machines. Part 2: Methods for determining losses and efficiency of rotating electrical machinery from tests (excluding machines for traction vehicles)
    EN 60034-2:1996/A2:1996 ROTATING ELECTRICAL MACHINES - PART 2: METHODS FOR DETERMINING LOSSES AND EFFICIENCY OF ROTATING ELECTRICAL MACHINERY FROM TESTS (EXCLUDING MACHINES FOR TRACTION VEHICLES)
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