
386 CHAPTER 10 SYMMETRICAL FAULTS
and IL in the equations
E"
V
'X" 1
'm
=
1
-) dm L
(10.7)
(10.8)
When the fault is on the system, as shown In Fig. 10. 3
C
b), the subtransient
currents I; out of the generator and I;:, out of the motor arc found from the
relations
E
"
J"
=
- --�-
'
--
�
L
'X"
exl -I-J ti