Training Course in Short Circuit Analysis
25
Sequence Network Interconnection: F1 j0.6 +
r + IA1 r VA1
The sequence fault currents Zf
1.0 -
-
N1
r I a1 = r I a2 = r I a0 =
Vf Z1 + Z f
=
The phase fault currents
Ia = Ib = Ic = U. P. National Engineering Center National Electrification Administration
Competency Training & Certification Program in Electric Power Distribution System Engineering