GE MULTILIN 269 MOTOR MANAGEMENT RELAY Series

APPENDIX A
A-2
Assuming full load=100% of CT, the 15.34% unbalance
now becomes:
(
.
)
/
.
. %
.
%
3
9
5
5
3
1 0 5
15 34
14
22
+
+
×
×
=
Finally, the ratio of negative sequence to positive se-
quence current for any magnitude of phase current may
be displayed on a graph as shown in Fig.3 (providing
the supply is a true three phase supply and there is no
zero sequence current flowing, no ground fault).
Figure 3