5-214
L30 Line Current Differential System
GE Multilin
5.7 CONTROL ELEMENTS
5 SETTINGS
5
Figure 5–105: VT FUSE FAIL SCHEME LOGIC
827093AN.CDR
FUSE
FAIL
FAULT
AND
AND
AND
AND
SET
RESET
Reset-dominant
Latch
AND
AND
AND
AND
AND
OR
OR
OR
OR
Latch
SET
Reset-dominant
RESET
Function
SETTI
N
G
Disabled = 0
Enabled = 1
SOURCE 1
V_2
V_1
I_1
CO
M
PARATORS
Run
V_1 < 0.05 pu
Run
V_2 > 0.1 pu
Run
I_1 > 0.075 pu
Run
V_1 < 0.80 pu
Run
I_1 < 0.05 pu
SRC1 50DD OP
FLEXLOGIC OPERA
N
DS
2 c
y
cles
20 c
y
cles
SRC1 VT FUSE FAIL OP
FLEXLOGIC OPERA
N
DS
SRC1 VT FUSE FAIL DPO
SRC1 VT FUSE FAIL VOL LOSS
FLEXLOGIC OPERA
N
D
TI
M
ER
OPEN POLE OP
The OPEN POLE OP operand is applicable
to the D60, L60, and L90 onl
y
.
Neutral Wire Open Detect
SETTI
N
G
Disabled = 0
Enabled = 1
AND
SRC1 3V0 3rd Harmonic
FLEX-A
N
ALOG
SRC1 VT NEU WIRE OPEN
FLEXLOGIC OPERA
N
D
3V_0(3rd Harmonic)
SOURCE
5 c
y
cles
0
TI
M
ER
0
20 c
y
cles
TI
M
ER
SETTI
N
G
Run
3V_0 3rd Harm>setting
3 HARM PKP
AND
Note 3V_0 is the sample summation
of Va, Vb, and Vc.
AND
OR
Summary of Contents for L30
Page 10: ...x L30 Line Current Differential System GE Multilin TABLE OF CONTENTS ...
Page 30: ...1 20 L30 Line Current Differential System GE Multilin 1 5 USING THE RELAY 1 GETTING STARTED 1 ...
Page 370: ...5 244 L30 Line Current Differential System GE Multilin 5 10 TESTING 5 SETTINGS 5 ...
Page 464: ...A 10 L30 Line Current Differential System GE Multilin A 1 PARAMETER LISTS APPENDIX A A ...
Page 600: ...C 30 L30 Line Current Differential System GE Multilin C 7 LOGICAL NODES APPENDIX C C ...
Page 610: ...D 10 L30 Line Current Differential System GE Multilin D 1 IEC 60870 5 104 APPENDIX D D ...
Page 622: ...E 12 L30 Line Current Differential System GE Multilin E 2 DNP POINT LISTS APPENDIX E E ...
Page 634: ...F 12 L30 Line Current Differential System GE Multilin F 3 WARRANTY APPENDIX F F ...
Page 644: ...x L30 Line Current Differential System GE Multilin INDEX ...