IEC 60909-0:2016
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Short-circuit currents in three-phase a.c. systems - Part 0: Calculation of currents
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
English - French
28-01-2016
23-07-2026
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
IEC 60909-0:2016 is applicable 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. It establishes a general, practicable and concise procedure leading to results which are generally of acceptable accuracy and deals with the calculation of short-circuit currents in the case of balanced or unbalanced short circuits. This second edition cancels and replaces the first edition published in 2001. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- contribution of windpower station units to the short-circuit current;
- contribution of power station units with ful size converters to the short-circuit current;
- new document structure.
This publication is to be read in conjunction with IEC TR 60909-1:2002, IEC TR 60909-2:2008, IEC 60909-3:2009 and IEC TR 60909-4:2000.
| Committee |
TC 73
|
| DevelopmentNote |
Supersedes IEC 60909 (07/2001) Stability date: 2021. (01/2016)
|
| DocumentType |
Standard
|
| Pages |
149
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| VDE 0102:2016-12 | Identical |
| NEN EN IEC 60909-0 : 2016 | Identical |
| ONORM OVE EN 60909-0 : 2017 | Identical |
| CEI EN 60909-0 : 2016 | Identical |
| DIN EN 60909-0:2016-12 | Identical |
| BS EN 60909-0:2016 | Identical |
| NBN EN 60909-0 : 2016 | Identical |
| EN 60909-0:2016 | Identical |
| I.S. EN 60909-0:2016 | Equivalent |
| DIN EN 60909-0 Beiblatt 1:2002-11 | Corresponds |
| UNE-EN 60909-0:2016 | Identical |
| SAC GB/T 15544-1 : 2013 | Identical |
| PN EN 60909-0 : 2016 | Identical |
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