5-114
B90 Low Impedance Bus Differential System
GE Multilin
5.5 GROUPED ELEMENTS
5 SETTINGS
5
The Time Overcurrent (TOC) element is provided for backup protection with a choice of inverse time curves. The element is
enabled only when
PRODUCT SETUP
B90 FUNCTION
B90 FUNCTION
is set to "Protection". One TOC element is available
per each CT input.
Figure 5–50: TIME OVERCURRENT SCHEME LOGIC
5.5.7 END FAULT PROTECTION
PATH: SETTINGS
GROUPED ELEMENTS
SETTING GROUP 1(6)
END FAULT PROTECTION 1(24)
The End Fault Protection (EFP) element operates for dead-zone faults; i.e., faults between the CT and an open feeder
breaker. Since a bus protection zone terminates on the CTs, faults between the CT and breaker require special consider-
ation.
END FAULT
PROTECTION 1
EFP1 FUNCTION:
Disabled
Range: Disabled, Enabled
MESSAGE
EFP1 CT:
F1
Range: Available current channels
MESSAGE
EFP1 PICKUP:
1.200 pu
Range: 0.000 to 30.000 pu in steps of 0.001
MESSAGE
EFP1 BREAKER OPEN:
Off
Range: FlexLogic™ operand
MESSAGE
EFP1 BKR DELAY:
0.400 s
Range: 0.000 to 65.535 s in steps of 0.001
MESSAGE
EFP1 MANUAL CLOSE:
Off
Range: FlexLogic™ operand
MESSAGE
EFP1 PICKUP DELAY:
0.040 s
Range: 0.000 to 65.535 s in steps of 0.001
MESSAGE
EFP1 BLOCK:
Off
Range: FlexLogic™ operand
MESSAGE
EFP1 TARGET:
Self-reset
Range: Self-reset, Latched, Disabled
MESSAGE
EFP1 EVENTS:
Disabled
Range: Disabled, Enabled
SETTING
TOC 1 FUNCTION:
Disabled = 0
Enabled = 1
SETTINGS
SETTING
TOC 1 CT:
Current Magnitude, |I|
RUN
FLEXLOGIC OPERANDS
TOC 1 PKP
SETTING
B90 FUNCTION:
Logic = 0
Protection = 1
AN
D
SETTING
TOC 1 BLOCK:
Off = 0
TOC 1 DPO
TOC 1 OP
TOC 1 PICKUP:
TOC 1 CURVE:
TOC 1 TD MULTIPLIER:
TOC 1 RESET:
|I| > PICKUP
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 ...