5-320
L90 Line Current Differential System
GE Multilin
5.7 CONTROL ELEMENTS
5 SETTINGS
5
Figure 5–167: DIRECTIONAL COMPARISON UNBLOCKING SCHEME LOGIC
TRIP TABLE
FLEXLOGIC OPERANDS
GND DIST Z2 PKP
PHS DIST Z2 PKP
GND DIR O/C FWD:
Off = 0
SETTING
DCUB BLOCKED:
Off = 0
SETTING
OR
OR
TRANS BLOCK
PICKUP DELAY:
SETTINGS
TRANS BLOCK
RESET DELAY:
t
PKP
t
RST
AND
OR
AND
AND
OR
Disabled = 0
SETTING
DCUB SCHEME
FUNCTION:
DCUB NO OF COMM
BITS:
SETTING
Off = 0
DCUB RX1:
DCUB LOG1:
Off = 0
DCUB RX2:
Off = 0
DCUB LOG2:
Off = 0
DCUB RX3:
Off = 0
DCUB LOG3:
Off = 0
DCUB RX4:
Off = 0
DCUB LOG4:
Off = 0
FLEXLOGIC OPERANDS
PHS DIST Z4 PKP
GND DIST Z4 PKP
AND
SETTINGS
DCUB LOG TRIP
WINDOW:
0
t
PKP
OR
SETTINGS
DCUB SEAL-IN
DELAY:
0
t
RST
FLEXLOGIC OPERANDS
DCUB NO OF COMM
BITS:
RUN
FLEXLOGIC OPERANDS
DCUB TRIP A
DCUB TRIP B
DCUB TRIP C
DCUB TRIP 3P
Phase
Selector
RX
TRANSMIT TABLE
DCUB NO OF COMM
BITS:
RUN
FLEXLOGIC OPERANDS
DCUB TX1
DCUB TX2
DCUB TX3
DCUB TX4
ECHO TABLE
RUN
DCUB OP
FLEXLOGIC OPERANDS
AR FORCE 3P TRIP
OPEN POLE OP
Phase
Selector
FLEXLOGIC OPERANDS
AR FORCE 3P TRIP
OPEN POLE OP
Phase
Selector
RX
Off = 0
SETTING
FLEXLOGIC OPERANDS
ECHO DURATION:
Echo duration/lockout logic
SETTING
ECHO LOCKOUT:
AND
GND DIR O/C REV:
Off = 0
SETTING
GND DIST Z1 PKP
PHS DIST Z1 PKP
AND
AND
AND
OR
OR
AND
AND
100ms
0
OR
OR
SETTINGS
0
t
RST
AND
SETTINGS
LINE END OPEN
PICKUP DELAY:
0
t
PKP
SETTINGS
DCUB LOG PICKUP
DELAY:
0
t
PKP
LOG
LOG = LOSS OF GUARD
GUARD HEALTHY
RESET DELAY:
LOG
AND
AND
Enabled
Custom
Disabled
DCUB PERMISSIVE
ECHO:
DCUB ECHO COND:
Off = 0
SETTING
LINE PICKUP LEO PKP
AND
837032A2.CDR
Summary of Contents for UR Series L90
Page 652: ...A 16 L90 Line Current Differential System GE Multilin A 1 PARAMETER LISTS APPENDIX A A ...
Page 772: ...B 120 L90 Line Current Differential System GE Multilin B 4 MEMORY MAPPING APPENDIX B B ...
Page 802: ...C 30 L90 Line Current Differential System GE Multilin C 7 LOGICAL NODES APPENDIX C C ...
Page 812: ...D 10 L90 Line Current Differential System GE Multilin D 1 IEC 60870 5 104 APPENDIX D D ...
Page 824: ...E 12 L90 Line Current Differential System GE Multilin E 2 DNP POINT LISTS APPENDIX E E ...
Page 834: ...F 10 L90 Line Current Differential System GE Multilin F 3 WARRANTY APPENDIX F F ...
Page 846: ...xii L90 Line Current Differential System GE Multilin INDEX ...