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  • BS 171-2:1978

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Power transformers Specification for temperature rise requirements

    Available format(s):  Hardcopy, PDF

    Superseded date:  15-09-1997

    Language(s):  English

    Published date:  31-08-1978

    Publisher:  British Standards Institution

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

    Foreword
    Cooperating organizations
    Clause
    1 Identification according to cooling method
    1.1 Identification symbols
    1.2 Arrangement of symbols
    2 Temperature-rise limits
    2.1 Normal temperature-rise limits
    2.2 Reduced temperature rises for transformers designed
         for high cooling medium temperatures or special air
         cooling conditions
    2.3 Reduced temperature rises for transformers designed
         for high altitudes
    3 Test of temperature rise (type test)
    3.1 Measurement of the temperature of cooling air
    3.2 Measurement of the temperature of cooling water
    3.3 Determination of the winding temperature
    3.4 Measurement of the top oil temperature
    3.5 Duration of the test of temperature rise
    3.6 Test method for dry-type transformers
    3.7 Test method for oil-immersed type transformers
    3.8 Loading methods
    3.9 Temperature correction for cooling of transformers
         after switching off the supply
    Figures

    Abstract - (Show below) - (Hide below)

    Identification according to cooling method, temperature-rise limits and test of temperature rise.

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

    Committee PEL/14
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

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

    EN 60289:1994/A11:2002 REACTORS
    BS 5622-1:1979 Guide for insulation co-ordination Terms, definitions, principles and rules
    BS EN 61100:1993 Classification of insulating liquids according to fire point and net calorific value
    BS EN 60289:1995 Reactors
    BS EN 61330:1996 High-voltage/low-voltage prefabricated substations
    BS 5126-4:1993 Mining type flameproof supply and control units for use on systems up to 1100 V Specification for air-cooled transformers to power drilling machines
    BS 5126-3:1993 Mining type flameproof supply and control units for use on systems up to 1100 V Specification for air-cooled lighting transformer units
    BS 7735:1994 Guide to loading of oil-immersed power transformers
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