IEC 60909-0 : 2.0

Table of Contents

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

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

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 73
Supersedes	IEC 60909 : 1.0