GE B30 UR Series Instruction Manual page 291

Bus differential system
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5 SETTINGS
b) BREAKER FLASHOVER

PATH: SETTINGS
CONTROL ELEMENTS
 BREAKER
 FLASHOVER 1
MESSAGE
MESSAGE
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MESSAGE
The detection of the breaker flashover is based on the following condition:
1.
Breaker open,
2.
Voltage difference drop, and
3.
Measured flashover current through the breaker.
Furthermore, the scheme is applicable for cases where either one or two sets of three-phase voltages are available across
the breaker.
GE Multilin

MONITORING ELEMENTS
BKR 1 FLSHOVR
FUNCTION: Disabled
BKR 1 FLSHOVR SIDE 1
SRC: SRC 1
BKR 1 FLSHOVR SIDE 2
SRC: None
BKR 1 STATUS CLSD A:
Off
BKR 1 STATUS CLSD B:
Off
BKR 1 STATUS CLSD C:
Off
BKR 1 FLSHOVR V PKP:
0.850 pu
BKR 1 FLSHOVR DIFF V
PKP: 1000 V
BKR 1 FLSHOVR AMP
PKP: 0.600 pu
BKR 1 FLSHOVR PKP
DELAY: 0.100 s
BKR 1 FLSHOVR SPV A:
Off
BKR 1 FLSHOVR SPV B:
Off
BKR 1 FLSHOVR SPV C:
Off
BKR 1 FLSHOVR BLOCK:
Off
BKR 1 FLSHOVR
TARGET: Self-reset
BKR 1 FLSHOVR
EVENTS: Disabled
B30 Bus Differential System
5.7 CONTROL ELEMENTS
BREAKER FLASHOVER 1(2)
Range: Disabled, Enabled
Range: SRC 1, SRC 2, SRC 3, SRC 4, SRC 5, SRC 6
Range: None, SRC 1, SRC 2, SRC 3, SRC 4, SRC 5,
SRC 6
Range: FlexLogic operand
Range: FlexLogic operand
Range: FlexLogic operand
Range: 0.000 to 1.500 pu in steps of 0.001
Range: 0 to 100000 V in steps of 1
Range: 0.000 to 1.500 pu in steps of 0.001
Range: 0.000 to 65.535 s in steps of 0.001
Range: FlexLogic operand
Range: FlexLogic operand
Range: FlexLogic operand
Range: FlexLogic operand
Range: Self-reset, Latched, Disabled
Range: Disabled, Enabled
5
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