Short-circuit currents in three-phase a.c. systems - Part 3: Currents during two separate simultaneous line-to-earth short circuits and partial short-circuit currents flowing through earth IEC 60909-3:2003 ED2
17.220.01
Electricity. Magnetism. General aspects
| 29.240.20
Power transmission and distribution lines
Buying
Revised
Scope
specifies procedures for calculation of the prospective short-circuit currents with an unbalanced short circuit in high-voltage three-phase AC systems operating at nominal frequency 50 Hz or 60 Hz, i.e.