GE MOTOR MANAGER 2 Instruction Manual page 211

APPENDIX E
A curve with a knee at 100 V for example could drive a total burden of:
100 V
1 Ω
--------------------- - =
×
20 5 A
Evaluation of CT performance is best determined from the excitation curves. They present the com-
plete story and eliminate any guess work. Most CT manufacturers will provide excitation curves upon
request.
GE Power Management
Figure E–2: EXCITATION CURVES METHOD
MM2 Motor Manager 2
E.1 CT ISOLATION
E-3
E