CURRENT DIFFERENTIAL (87L) SETTINGS
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Voltage source for charging current compensation
–
Current source for breaker failure 1
Source 2:
–
Second current source for current differential
–
Current source for breaker failure 2
–
Voltage source for synchrocheck 2
Source 3:
–
Current source for distance, backup overcurrent
–
Voltage source for distance
–
Voltage source for synchrocheck 1 and 2
Source 4:
–
Voltage source for synchrocheck 1
The EnerVista UR Setup configuration is as follows.
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.
8
For breaker failure 1 and 2, make the following settings changes.
8-8
CURRENT DIFF SIGNAL SOURCE 2
CHAPTER 8: APPLICATION OF SETTINGS
to "SRC 2."
L90 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
CURRENT DIFF SIGNAL