GE Multilin
L90 Line Current Differential System
5-195
5 SETTINGS
5.6 GROUPED ELEMENTS
5
Figure 5–94: PHASE TIME OVERCURRENT VOLTAGE RESTRAINT CHARACTERISTIC
Figure 5–95: PHASE TIME OVERCURRENT 1 SCHEME LOGIC
0.1
0.
2
0.
3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0.1
0.
2
0.
3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0
818784A4.CDR
Multiplier
for
Pickup
Current
Phase-Phase Voltage ÷ VT Nominal Phase-phase Voltage
SETTING
SETTING
SETTING
SETTING
SETTING
MULTIPLY INPUTS
FLEXLOGIC OPERAND
SETTING
PHASE TOC1
FUNCTION:
PHASE TOC1
BLOCK-A :
PHASE TOC1
BLOCK-C:
PHASE TOC1
BLOCK-B:
PHASE TOC1 VOLT
RESTRAINT:
PHASE TOC1 A PKP
PHASE TOC1 A DPO
PHASE TOC1 A OP
PHASE TOC1 B PKP
PHASE TOC1 B DPO
PHASE TOC1 B OP
PHASE TOC1 C PKP
PHASE TOC1 C DPO
PHASE TOC1 C OP
PHASE TOC1 PKP
PHASE TOC1 OP
PHASE TOC1
SOURCE:
PHASE TOC1
RESET:
PHASE TOC1
CURVE:
PHASE TOC1
PICKUP:
PHASE TOC1
INPUT:
IA
Seq=ABC Seq=ACB
Set
Multiplier
Set
Multiplier
Set
Multiplier
Set Pickup
Multiplier-Phase A
Calculate
Calculate
Calculate
Set Pickup
Multiplier-Phase B
Set Pickup
Multiplier-Phase C
RUN
IB
VAB
VAC
RUN
IC
VBC
VBA
VCA
VCB
RUN
Off=0
Off=0
Off=0
Enabled
Enabled=1
OR
AND
AND
AND
OR
827072A5.CDR
PHASE TOC1
TD MULTIPLIER:
RUN
RUN
RUN
IA
PICKUP
t
t
t
IB
PICKUP
IC
PICKUP
SETTING
PHASE TOC1 DPO
AND
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 ...
