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5-172
L60 Line Phase Comparison System
GE Multilin
5.5 GROUPED ELEMENTS
5 SETTINGS
5
Figure 5–90: NEUTRAL DIRECTIONAL OVERCURRENT LOGIC
FLEXLOGIC OPERAND
FLEXLOGIC OPERAND
SETTING
SETTING
SETTING
SETTING
SETTINGS
SETTING
SETTING
NEUTRAL DIR OC1
FUNCTION:
NEUTRAL DIR OC1
SOURCE:
NEUTRAL DIR OC1 POL
VOLT:
NEUTRAL DIR OC1 OP
CURR:
NEUTRAL DIR OC1
POLARIZING:
NEUTRAL DIR OC1 BLK:
NEUTRAL DIR OC1 FWD
LIMIT ANGLE:
NEUTRAL DIR OC1 FWD
ECA:
NEUTRAL DIR OC1 REV
LIMIT ANGLE:
NEUTRAL DIR OC1
OFFSET:
NEUTRAL DIR OC1 FWD
PICKUP:
NEUTRAL DIR OC1 REV
PICKUP:
NEUTRAL DIR OC1 OP
CURR:
NEUTRAL DIR OC1 OP
CURR:
NEUTRAL DIR OC1 FWD
NEUTRAL DIR OC1 REV
Disabled=0
Measured VX
Voltage
Calculated V_0
}
}
Current
Ground Crt (IG)
Zero Seq Crt (I_0)
Dual
NOTE:
1) CURRENT POLARIZING IS POSSIBLE ONLY IN RELAYS WITH
THE GROUND CURRENT INPUTS CONNECTED TO
AN ADEQUATE CURRENT POLARIZING SOURCE
2) GROUND CURRENT CAN NOT BE USED FOR POLARIZATION
AND OPERATION SIMULTANEOUSLY
3) POSITIVE SEQUENCE RESTRAINT IS NOT APPLIED WHEN
_1 IS BELOW 0.8pu
I
827077AB.CDR
Off=0
Enabled=1
AND
AND
AND
AND
AND
AND
AND
OR
OR
OR
OR
I
G 0.05 pu
3( _0 - K _1 ) PICKUP
I
I
3( _0 - K _1 ) PICKUP
I
I
I
G PICKUP
I
G PICKUP
Voltage Polarization
Current Polarization
-3V_0
3I_0
FWD
FWD
FWD
REV
REV
REV
RUN
RUN
RUN
OR
OR
RUN
1.25 cy
1.5 cy
NEUTRAL DIR OC1 POS-
SEQ RESTRAINT:
NEUTRAL DIR OC1 POS-
SEQ RESTRAINT:
Summary of Contents for UR series
Page 2: ......
Page 4: ......
Page 12: ...xii L60 Line Phase Comparison System GE Multilin TABLE OF CONTENTS ...
Page 32: ...1 20 L60 Line Phase Comparison System GE Multilin 1 5 USING THE RELAY 1 GETTING STARTED 1 ...
Page 54: ...2 22 L60 Line Phase Comparison System GE Multilin 2 2 SPECIFICATIONS 2 PRODUCT DESCRIPTION 2 ...
Page 438: ...7 8 L60 Line Phase Comparison System GE Multilin 7 2 TARGETS 7 COMMANDS AND TARGETS 7 ...
Page 478: ...8 40 L60 Line Phase Comparison System GE Multilin 8 3 FAULT LOCATOR 8 THEORY OF OPERATION 8 ...
Page 502: ...A 10 L60 Line Phase Comparison System GE Multilin A 1 PARAMETER LIST APPENDIXA A ...
Page 584: ...B 82 L60 Line Phase Comparison System GE Multilin B 4 MEMORY MAPPING APPENDIXB B ...
Page 622: ...D 10 L60 Line Phase Comparison System GE Multilin D 1 PROTOCOL APPENDIXD D ...
Page 634: ...E 12 L60 Line Phase Comparison System GE Multilin E 2 DNP POINT LISTS APPENDIXE E ...
Page 642: ...F 8 L60 Line Phase Comparison System GE Multilin F 3 WARRANTY APPENDIXF F ...