• CEI EN 60909-0 : 2016

    Current The latest, up-to-date edition.

    SHORT-CIRCUIT CURRENTS IN THREE-PHASE A.C. SYSTEMS - PART 0: CALCULATION OF CURRENTS

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2016

    Publisher:  Comitato Elettrotecnico Italiano

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

    FOREWORD
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Symbols, subscripts and superscripts
    5 Characteristics of short-circuit currents: calculating
       method
    6 Short-circuit impedances of electrical equipment
    7 Calculation of initial short-circuit current
    8 Calculation of peak short-circuit current
    9 Calculation of symmetrical breaking current
    10 DC component of the short-circuit current
    11 Calculation of steady-state short-circuit current
    12 Short circuits at the low-voltage side of transformers,
       if one line conductor is interrupted at the high-voltage
       side
    13 Terminal short circuit of asynchronous motors
    14 Joule integral and thermal equivalent short-circuit
       current
    Annex A (normative) - Formulas for the calculation
            of the factors m and n
    Annex B (informative) - Nodal admittance and nodal
            impedance matrices
    Bibliography

    Abstract - (Show below) - (Hide below)

    Pertains to the calculation of short-circuit currents: - in low-voltage three-phase AC systems, and - in high-voltage three-phase AC systems, operating at a nominal frequency of 50 Hz or 60 Hz.

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

    Committee CT 99
    Development Note Classificazione CEI 11-25. (01/2002) 2ED 2001 Edition along with its corrigendum is valid until 10-06-2019. (01/2017)
    Document Type Standard
    Publisher Comitato Elettrotecnico Italiano
    Status Current
    Supersedes

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

    CEI 64-8/4 : 2012 LOW VOLTAGE ELECTRICAL INSTALLATIONS - PART 4: PROTECTION FOR SAFETY
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