GE L90 Instruction Manual page 275

Ur series line current differential system
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5 SETTINGS
a) MAIN MENU
PATH: SETTINGS
GROUPED ELEMENTS
LINE DIFFERENTIAL
ELEMENT
MESSAGE
b) CURRENT DIFFERENTIAL
PATH: SETTINGS
GROUPED ELEMENTS
CURRENT
DIFFERENTIAL
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
GE Multilin
SETTING GROUP 1(6)
LINE DIFFERENTIAL ELEMENT
CURRENT
DIFFERENTIAL
STUB BUS
SETTING GROUP 1(6)
LINE DIFFERENTIAL...
CURRENT DIFF
FUNCTION: Disabled
CURRENT DIFF SIGNAL
SOURCE 1: SRC 1
CURRENT DIFF SIGNAL
SOURCE 2: None
CURRENT DIFF SIGNAL
SOURCE 3: None
CURRENT DIFF SIGNAL
SOURCE 4: None
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
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
L90 Line Current Differential System
5.6 GROUPED ELEMENTS
5.6.3 LINE DIFFERENTIAL ELEMENT
See page 5-129.
See page 5-132.
CURRENT DIFFERENTIAL
Range: Disabled, Enabled
Range: SRC 1, SRC 2, SRC 3, SRC 4
Range: None, SRC 1, SRC 2, SRC 3, SRC 4
Range: None, SRC 1, SRC 2, SRC 3, SRC 4
Range: None, SRC 1, SRC 2, SRC 3, SRC 4
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, 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
5
5-129

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