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
Hardcopy , PDF
English
01-01-2016
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
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