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GE Multilin
L90 Line Current Differential System
5-305
5 SETTINGS
5.7 CONTROL ELEMENTS
5
Figure 5–163: POTT SCHEME LOGIC
SETTING
FLEXLOGIC OPERANDS
SETTING
FLEXLOGIC OPERAND
FLEXLOGIC OPERAND
SETTING
SETTING
POTT SCHEME
FUNCTION:
Enabled
Custom
PH DIST Z2 PKP
GND DIR O/C FWD:
LINE PICKUP LEO PKP
Off
POTT OP
POTT PERMISSIVE ECHO:
POTT ECHO COND:
Disabled = 0
Off = 0
Disabled
837014AJ.C
GND DIST Z2 PKP
Off = 0
SETTINGS
SETTINGS
SETTINGS
SETTINGS
SETTINGS
POTT RX PICKUP
DELAY:
TRANS BLOCK PICKUP
DELAY:
LINE END OPEN PICKUP
DELAY:
ECHO DURATION:
TRANS BLOCK RESET
DELAY:
POTT SEAL-IN
DELAY:
AND
OR
AND
OR
AND
AND
AND
AND
AND
OR
0
t
RST
0
t
RST
t
PKP
t
PKP
t
PKP
0
ECHO LOCKOUT:
Echo duration and lockout logic
SETTINGS
POTT RX1:
POTT RX2:
POTT RX3:
POTT RX4:
POTT NO OF COMM
BITS:
Off = 0
Off = 0
Off = 0
Off = 0
OR
FLEXLOGIC OPERANDS
POTT NO OF COMM
BITS:
POTT TX1
POTT TX2
POTT TX3
POTT TX4
ECHO TABLE
TRANSMIT TABLE
Phase
Selector
RX
RX
RUN
RUN
FLEXLOGIC OPERANDS
POTT NO OF COMM
BITS:
POTT TRIP A
POTT TRIP B
POTT TRIP C
POTT TRIP 3P
TRIP TABLE
Phase
Selector
RUN
AND
0
100 msec
SETTING
POTT SCHEME BLOCK:
OFF = 0
AND
FLEXLOGIC OPERANDS
AR FORCE 3P TRIP
OPEN POLE OP
FLEXLOGIC OPERANDS
AR FORCE 3P TRIP
OPEN POLE OP
Phase
Selector
FLEXLOGIC OPERANDS
AR FORCE 3P TRIP
OPEN POLE OP
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 ...