ENA ER G74 ISSUE 2:2021
Current
Current
The latest, up-to-date edition.
Procedure to meet the requirements on IEC 60909 for the calculation of short-circuit currents in threephase AC power systems Effective from 1st July 2021
Published date
01-07-2021
Publisher
This EREC sets out an outline procedure for a computer-based method for calculating circuit breaker short-circuit making and breaking currents in three-phase AC power systems having a nominal voltage above 1 kV.
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