• NBN EN 60076-4 : 2003

    Current The latest, up-to-date edition.

    POWER TRANSFORMERS - PART 4: GUIDE TO THE LIGHTNING IMPULSE AND SWITCHING IMPULSE TESTING - POWER TRANSFORMERS AND REACTORS

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    Published date:  13-01-2013

    Publisher:  Belgian Standards

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

    1 Scope
    2 Normative references
    3 General
    4 Specified waveshapes
    5 Test circuit
    6 Calibration
    7 Lightning impulse tests
       7.1 Waveshapes
       7.2 Impulses chopped on the tail
       7.3 Terminal connections and applicable methods of
            failure detection
       7.4 Test procedures
       7.5 Recording of tests
    8 Switching impulse tests
       8.1 Special requirements
       8.2 Transformers
       8.3 Reactors
    9 Interpretation of oscillograms or digital recordings
       9.1 Lightning impulse
       9.2 Switching impulse
    1O Digital processing, including transfer function analysis
    11 Impulse test reports
    Annex A (informative) Principles of waveshape control
    Annex B (informative) Typical oscillograms and digital
            recordings
    Annex ZA (normative) Normative references to international
             publications with their corresponding European
             publications
    Figures
    Table B.1

    Abstract - (Show below) - (Hide below)

    Provides guidance and explanatory comments on the existing procedures for lightning and switching impulse testing of power transformers to supplement the requirements of IEC 60076-3.

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    Document Type Standard
    Publisher Belgian Standards
    Status Current
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