• CEI 14-15 : 2006

    Current The latest, up-to-date edition.

    POWER TRANSFORMERS - PART 7: LOADING GUIDE FOR OIL-IMMERSED POWER TRANSFORMERS

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2006

    Publisher:  Comitato Elettrotecnico Italiano

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

    FOREWORD
    INTRODUCTION
    1 Scope
    2 Normative references
    3 Definitions
    4 Symbols and abbreviations
    5 Effect of loading beyond nameplate rating
    6 Relative ageing rate and transformer insulation life
    7 Limitations
    8 Determination of temperatures
    9 Influence of tap changers
    Annex A (informative) - Calculation of winding and oil
            time constant
    Annex B (informative) - Practical example of the exponential
            equations method
    Annex C (informative) - Illustration of the differential
            equations solution method
    Annex D (informative) - Flowchart, based on the example
            in annex B
    Annex E (informative) - Example of calculating and
            presenting overload data
    Bibliography

    Abstract - (Show below) - (Hide below)

    Pertains to oil-immersed transformers.

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

    Committee CT 14
    Document Type Standard
    Publisher Comitato Elettrotecnico Italiano
    Status Current

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

    CEI EN 61378-2 : 2002 CONVERTOR TRANSFORMERS - PART 2: TRANSFORMERS FOR HVDC APPLICATIONS
    CEI EN 60137 : 2009 INSULATED BUSHINGS FOR ALTERNATING VOLTAGES ABOVE 1000 V
    CEI EN 60076-6 : 2015 POWER TRANSFORMERS - PART 6: REACTORS
    CEI EN 61800-1 : 2000 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 1: GENERAL REQUIREMENTS - RATING SPECIFICATIONS FOR LOW VOLTAGE ADJUSTABLE SPEED D.C. POWER DRIVE SYSTEMS

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

    IEC 60076-5:2006 Power transformers - Part 5: Ability to withstand short circuit
    IEEE C57.91:2011 GUIDE FOR LOADING MINERAL-OIL-IMMERSED TRANSFORMERS AND STEP-VOLTAGE REGULATORS
    IEC 60076-4:1976 Power transformers - Part 4: Tappings and connections
    IEC 60076-2:2011 Power transformers - Part 2: Temperature rise for liquid-immersed transformers
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