RO
SR EN 60909-0:2017
Short-circuit currents in three-phase a.c. systems - Part 0: Calculation of currents
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.
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Status :
Valid
Approval date : 3/31/2017
Number of pages : 84
ICS : 17.220.01 Electricity. Magnetism. General aspects,29.240.20 Power transmission and distribution lines
Technical Committee : 158 - Short circuit currents
- Replaces SR EN 60909-0:2003
- Normative reference SR EN 60038:2012
- Normative reference SR CEI 60050-131:2006
- Normative reference SR EN 60909-3:2010