GE L90 Instruction Manual page 356

9.2 CURRENT DIFFERENTIAL (87L) SETTINGS
Source 2: – Second current source for current differential,
– current source for Breaker Failure 2, and
– voltage source for Synchrocheck 2.
Source 3: – Current source for distance, backup overcurrent,
– voltage source for Distance,
– voltage source for Synchrocheck 1 and 2.
The enerVista UR Setup configuration is shown below:
4. Sources are assigned accordingly in the specific element menus. For current differential, set
to "SRC 1" and
SOURCE 1
For distance and backup overcurrent, make the following settings changes (enerVista UR Setup example shown):
For Breaker Failure 1 and 2, make the following settings changes (enerVista UR Setup example shown):
For Synchrocheck 1 and 2, make the following settings changes (enerVista UR Setup example shown):
9
9-6
CURRENT DIFF SIGNAL SOURCE 2
L90 Line Differential Relay
9 APPLICATION OF SETTINGS
to "SRC 2".
CURRENT DIFF SIGNAL
GE Multilin