GE L30 Instruction Manual page 289

5 SETTINGS
b) CURRENT DIFFERENTIAL

PATH: SETTINGS GROUPED ELEMENTS
 CURRENT
 DIFFERENTIAL
MESSAGE
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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
GE Multilin
 
SETTING GROUP 1(6) LINE DIFFERENTIAL...
CURRENT DIFF
FUNCTION: Disabled
CURRENT DIFF SIGNAL
SOURCE 1: SRC 1
CURRENT DIFF BLOCK:
Off
CURRENT DIFF
PICKUP: 0.20 pu
CURRENT DIFF
CT TAP 1: 1.00
CURRENT DIFF
CT TAP 2: 1.00
CURRENT DIFF
RESTRAINT 1: 30%
CURRENT DIFF
RESTRAINT 2: 50%
CURRENT DIFF
BREAK PT: 1.0 pu
INRUSH INHIBIT MODE:
Disabled
INRUSH INHIBIT
LEVEL: 20% fo
CURRENT DIFF GND
FUNCTION: Disabled
CURRENT DIFF GND
PICKUP: 0.10 pu
CURRENT DIFF GND
RESTRAINT: 25%
CURRENT DIFF GND
DELAY: 0.10 s
CURRENT DIFF DTT:
Enabled
CURRENT DIFF KEY DTT:
Off
CURRENT DIFF
TARGET: Self-reset
CURRENT DIFF
EVENTS: Disabled
CURRENT DIFF SIGNAL SOURCE 1

SYSTEM SETUP SIGNAL SOURCES
L30 Line Current Differential System
5.6 GROUPED ELEMENTS

CURRENT 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
Range: Disabled, Per phase, 2-out-of-3, Average
Range: 1.0 to 40.0% f in steps of 0.1
0
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
 menu.
SOURCE 1
5
settings. This
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