9 APPLICATION OF SETTINGS
9.1 CT REQUIREMENTS
Figure 9–3: TOOL RESULTS FOR DIFFERENTIAL AND RESTRAINT CURRENTS
You are encouraged to test different fault locations and different fault levels and distributions per short circuit studies. Alter-
natively, the tool can help to estimate required CT parameters (ratio and knee point voltage), based on some pre-deter-
mined criteria.
9
GE Multilin
L30 Line Current Differential System
9-3