5-124
B90 Low Impedance Bus Differential System
GE Multilin
5.6 CONTROL ELEMENTS
5 SETTINGS
5
Figure 5–59: CT TROUBLE SCHEME LOGIC
c) ISOLATOR MONITORING
PATH: SETTINGS
CONTROL ELEMENTS
MONITORING ELEMENTS
BUS REPLICA
ISOLATOR 1(48)
Bus protection zone discrimination depends heavily on reliable isolator position feedback. Therefore, two isolator auxiliary
contacts – normally open and normally closed – must confirm the status of the isolator via the B90 contact inputs.
ISOLATOR 1
ISOLATOR 1
FUNCTION: Disabled
Range: Disabled, Enabled
MESSAGE
ISOLATOR 1 OPEN:
Off
Range: FlexLogic™ operand
MESSAGE
ISOLATOR 1 CLOSED:
Off
Range: FlexLogic™ operand
MESSAGE
ISOLATOR 1 ALARM
DELAY: 0.05 s
Range: 0.00 to 12.00 s in steps of 0.05
MESSAGE
ISOLATOR 1 RESET:
Off
Range: FlexLogic™ operand
MESSAGE
ISOLATOR 1
TARGET: Self-Reset
Range: Self-Reset, Latched, Disabled
MESSAGE
ISOLATOR 1
EVENTS: Disabled
Range: Disabled, Enabled
836759A3.CDR
SETTING
SETTING
SETTING
SETTING
SETTINGS
SETTINGS
SETTINGS
FLEXLOGIC OPERAND
SETTINGS
Protection = 1
Enabled = 1
Logic = 0
Disabled = 0
Current Phasor
Current Phasor
Off = 0
RUN
Id1 > PICKUP
t
PKP
0
Off = 0
B90 FUNCTION:
CT TROUBLE ZONE 1
FUNCTION:
AND
ZONE 1 DIFFERENTIAL CURRENT
ID1
BUS 1A CT:
BUS 1X CT:
BUS 1A STATUS:
CT TROUBLE ZONE 1
PICKUP:
CT TROUBLE ZONE 1
PICKUP:
CT TROUBLE1 OP
BUS 1X STATUS:
BUS 1A DIRECTION:
. . .
BUS 1X DIRECTION:
Содержание B90 UR Series
Страница 28: ...1 20 B90 Low Impedance Bus Differential System GE Multilin 1 5 USING THE RELAY 1 GETTING STARTED 1 ...
Страница 114: ...4 28 B90 Low Impedance Bus Differential System GE Multilin 4 3 FACEPLATE INTERFACE 4 HUMAN INTERFACES 4 ...
Страница 272: ...6 14 B90 Low Impedance Bus Differential System GE Multilin 6 5 PRODUCT INFORMATION 6 ACTUAL VALUES 6 ...
Страница 316: ...A 4 B90 Low Impedance Bus Differential System GE Multilin A 1 PARAMETER LISTS APPENDIX A A ...
Страница 406: ...B 90 B90 Low Impedance Bus Differential System GE Multilin B 4 MEMORY MAPPING APPENDIX B B ...
Страница 436: ...C 30 B90 Low Impedance Bus Differential System GE Multilin C 7 LOGICAL NODES APPENDIX C C ...
Страница 446: ...D 10 B90 Low Impedance Bus Differential System GE Multilin D 1 IEC 60870 5 104 APPENDIX D D ...