Page 177 - Practical Power System and Protective Relays Commissioning

Power System Fault Analysis Chapter | 16 177

Example 3:
Phase-to-phase fault (Fig. 16.19)
Calculations:
Z total 5 10.2 1 10.2 5 20.4%
MVAF 5 10,000/20.4 5 490 MVA
I F 5 I 1 5 I 2 5 490 MVA
I Y 5 I B 5 1.732 3 490 5 849 MVA