5-178
L30 Line Current Differential System
GE Multilin
5.6 GROUPED ELEMENTS
5 SETTINGS
5
Figure 5–82: PHASE OVERVOLTAGE SCHEME LOGIC
If the source VT is wye-connected, then the phase overvoltage pickup condition is
for
V
AB
,
V
BC
,
and
V
CA
.
d) NEGATIVE SEQUENCE OVERVOLTAGE
(ANSI 59Q, IEC PTOV)
PATH: SETTINGS
GROUPED ELEMENTS
SETTING GROUP 1(6)
VOLTAGE ELEMENTS
NEG SEQ OV1(3)
There are three negative-sequence overvoltage elements available.
The negative-sequence overvoltage element may be used to detect loss of one or two phases of the source, a reversed
phase sequence of voltage, or a non-symmetrical system voltage condition.
NEG SEQ OV1
NEG SEQ OV1
FUNCTION: Disabled
Range: Disabled, Enabled
MESSAGE
NEG SEQ OV1 SIGNAL
SOURCE: SRC 1
Range: SRC 1, SRC 2
MESSAGE
NEG SEQ OV1 PICKUP:
0.300 pu
Range: 0.000 to 1.250 pu in steps of 0.001
MESSAGE
NEG SEQ OV1 PICKUP
DELAY: 0.50
s
Range: 0.00 to 600.00 s in steps of 0.01
MESSAGE
NEG SEQ OV1 RESET
DELAY: 0.50
s
Range: 0.00 to 600.00 s in steps of 0.01
MESSAGE
NEG SEQ OV1 BLOCK:
Off
Range: FlexLogic™ operand
MESSAGE
NEG SEQ OV1 TARGET:
Self-reset
Range: Self-reset, Latched, Disabled
MESSAGE
NEG SEQ OV1 EVENTS:
Disabled
Range: Disabled, Enabled
PHASE OV1
SOURCE:
Source VT = Delta
Source VT = Wye
VAB
VBC
VCA
PHASE OV1 A PKP
PHASE OV1 B PKP
PHASE OV1 C PKP
PHASE OV1 OP
PHASE OV1 A DPO
PHASE OV1 B DPO
PHASE OV1 C DPO
PHASE OV1 A OP
PHASE OV1 B OP
PHASE OV1 C OP
PHASE OV1 DPO
AND
PHASE OV1
FUNCTION:
Disabled = 0
Enabled = 1
SETTING
PHASE OV1
BLOCK:
Off = 0
SETTING
SETTING
PHASE OV1
PICKUP:
SETTING
FLEXLOGIC OPERANDS
FLEXLOGIC OPERAND
FLEXLOGIC OPERAND
827066A7.CDR
RUN
VAB
PICKUP
≥
RUN
VBC
PICKUP
≥
RUN
VCA
PICKUP
≥
AND
OR
PHASE OV1 PKP
FLEXLOGIC OPERAND
OR
PHASE OV1 RESET
DELAY:
SETTINGS
tPKP
tPKP
tPKP
tRST
tRST
tRST
PHASE OV1 PICKUP
DELAY:
NOTE
V
3 Pickup
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 ...
