GE L30 Instruction Manual page 445
Line current differential system, ur series
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- Instruction manual (702 pages) ,
- Communications manual (532 pages) ,
- Communications manual (526 pages)
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10 APPLICATION OF SETTINGS
10.1 CT REQUIREMENTS
Figure 10–3: 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.
10
GE Multilin
L30 Line Current Differential System
10-3
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