IEC 60909-0:2016 

Short-circuit currents in three-phase a.c. systems - Part 0: Calculation of currents


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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.

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Additional information

Publication typeInternational Standard
Publication date2016-01-28
Available language(s)English/French
TC/SCTC 73 - Short-circuit currentsrss
ICS17.220.01 - Electricity. Magnetism. General aspects
29.240.20 - Power transmission and distribution lines
Stability date  2026
File size3451 KB

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