GE L90 Instruction Manual page 589
Ur series line current differential system
Hide thumbs
Also See for L90:
- Instruction manual (900 pages) ,
- Communications manual (532 pages) ,
- Instruction manual (752 pages)
Table of Contents
Advertisement
10 APPLICATION OF SETTINGS
3.
The sources are configured as follows:
Source 1:
– First current source for current differential,
– 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, 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.
Source 4:
– Voltage source for synchrocheck 1.
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):
GE Multilin
CURRENT DIFF SIGNAL SOURCE 2
L90 Line Current Differential System
10.2 CURRENT DIFFERENTIAL (87L) SETTINGS
to "SRC 2".
CURRENT DIFF SIGNAL
10
10-7
Advertisement
Table of Contents
