GE L30 Instruction Manual page 268

5.6 GROUPED ELEMENTS
b) CURRENT DIFFERENTIAL

PATH: SETTINGS GROUPED ELEMENTS
 CURRENT
 DIFFERENTIAL
5
The following settings are available for current differential protection.
• CURRENT DIFF SIGNAL SOURCE 1: This setting selects the first source for the current differential element local
operating current. If more than one source is configured, the other source currents are scaled to the CT with the maxi-
mum primary current assigned by the
source is mandatory and is assigned with the
5-124

SETTING GROUP 1(6)
CURRENT DIFF
FUNCTION: Disabled
CURRENT DIFF SIGNAL
MESSAGE
SOURCE 1: SRC 1
CURRENT DIFF BLOCK:
MESSAGE
Off
CURRENT DIFF
MESSAGE
PICKUP: 0.20 pu
CURRENT DIFF
MESSAGE
CT TAP 1: 1.00
CURRENT DIFF
MESSAGE
CT TAP 2: 1.00
CURRENT DIFF
MESSAGE
RESTRAINT 1: 30%
CURRENT DIFF
MESSAGE
RESTRAINT 2: 50%
CURRENT DIFF
MESSAGE
BREAK PT:
INRUSH INHIBIT MODE:
MESSAGE
Disabled
INRUSH INHIBIT
MESSAGE
LEVEL: 20% fo
CURRENT DIFF GND
MESSAGE
FUNCTION: Disabled
CURRENT DIFF GND
MESSAGE
PICKUP: 0.10 pu
CURRENT DIFF GND
MESSAGE
RESTRAINT: 25%
CURRENT DIFF GND
MESSAGE
DELAY: 0.10 s
CURRENT DIFF DTT:
MESSAGE
Enabled
CURRENT DIFF KEY DTT:
MESSAGE
Off
CURRENT DIFF
MESSAGE
TARGET: Self-reset
CURRENT DIFF
MESSAGE
EVENTS: Disabled
CURRENT DIFF SIGNAL SOURCE 1
SYSTEM SETUP
L30 Line Current Differential System

LINE DIFFERENTIAL...
Range: Disabled, Enabled
Range: SRC 1, SRC 2
Range: FlexLogic™ operand
Range: 0.10 to 4.00 pu in steps of 0.01
Range: 0.20 to 5.00 in steps of 0.01
Range: 0.20 to 5.00 in steps of 0.01
Range: 1 to 50% in steps of 1
Range: 1 to 70% in steps of 1
Range: 0.0 to 20.0 pu in steps of 0.1
1.0 pu
Range: Disabled, Per phase, 2-out-of-3, Average
Range: 1.0 to 40.0% f
Range: Disabled, Enabled
Range: 0.05 to 1.00 pu in steps of 0.01
Range: 1 to 50% in steps of 1
Range: 0.00 to 5.00 s in steps of 0.01
Range: Disabled, Enabled
Range: FlexLogic™ operand
Range: Self-reset, Latched, Disabled
Range: Disabled, Enabled
to
CURRENT DIFF SIGNAL SOURCE 4

SIGNAL SOURCES
5 SETTINGS

CURRENT DIFFERENTIAL
in steps of 0.1
0
settings. This
 menu.
SOURCE 1
GE Multilin