6–108
850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
VOLTAGE ELEMENTS
CHAPTER 6: PROTECTION SETPOINTS
Figure 6-48: Phase Overvoltage logic diagram
894049A3.cdr
SETPOINTS
Phase
A
voltage
(V
A
)
SETPOINT
FUNCTION
:
Disabled
T
rip
PICKUP
:
AND
Phase B voltage
(V
B
)
Phase C voltage
(V
C
)
OR
Operate Output Relay
1
(TRIP
)
LED
:
TRIP
Alarm
OR
OR
Phase
-t
o
-Ground V
oltages
–
Wye connection
AND
Latched
Alarm
AND
V
A
(V
AB
)
>
PICKUP
RUN
SETPOINTS
BLOCK
:
Of
f
=
0
LED
:
ALARM
/
LA
TCHED
ALARM
RESET
Command
AND
S
R
LA
TCH
Configurable
FlexLogic Operands
Phase OV
1
O
P
:
Phase OV
1
O
P
C:
Phase OV
1
O
P
B
:
Phase OV
1
O
P
A
:
Phase OV
1
P
K
P
:
Phase OV
1
O
P
C:
Phase OV
1
O
P
B
:
Phase OV
1
O
P
A
:
SETPOINTS
MODE
:
Phase to Ground
,
Phase to Phase
(for wye
connection
)
Phase to Phase
(Delta
connection
)
Ph
-P
h
AB voltage
(V
AB
)
Ph
-Ph BC voltage
(VBC
)
Ph
-Ph CA
voltage
(VCA
)
Phase
-t
o
-Phase V
oltages
–
Delta connection
VB
(VBC
)
>
PICKUP
RUN
VC
(VCA
)
>
PICKUP
RUN
SETPOINTS
PICKUP
DELA
Y
:
DROPOUT
DELA
Y
:
t PKP
t RST
t PKP
t RST
t PKP
t RST
SETPOINTS
OPERA
TE
:
ANY
ONE
ANY
TWO
ALL
THREE
PICKUP
:
ANY
ONE
ALL
THREE
PHASES FOR
OPERA
TION
:
ANY
TWO
LED
:
PICKUP
MODE
:
Ph
-P
h
AB voltage
(V
AB
)
Ph
-Ph BC voltage
(VBC
)
Ph
-Ph CA
voltage
(VCA
)
Calculated Phase
-t
o
-Phase
V
oltages
–
Wye connection
OR
{
}
{
}
SETPOINTS
Do Not Operate
,
Operate
OUTPUT
RELA
YS
3
to
7
SETPOINTS
SIGNAL
INPUT
:
NAME
( Ph VT
Bnk
1
-J
2
889
only
Summary of Contents for Multilin 850
Page 10: ...VIII 850 FEEDER PROTECTION SYSTEM INSTRUCTION MANUAL ...
Page 135: ...CHAPTER 3 INTERFACES SOFTWARE INTERFACE 850 FEEDER PROTECTION SYSTEM INSTRUCTION MANUAL 3 41 ...
Page 151: ...CHAPTER 3 INTERFACES SOFTWARE INTERFACE 850 FEEDER PROTECTION SYSTEM INSTRUCTION MANUAL 3 57 ...
Page 153: ...CHAPTER 3 INTERFACES SOFTWARE INTERFACE 850 FEEDER PROTECTION SYSTEM INSTRUCTION MANUAL 3 59 ...
Page 439: ...CHAPTER 7 MONITORING FUNCTIONS 850 FEEDER PROTECTION SYSTEM INSTRUCTION MANUAL 7 19 ...
Page 644: ...11 20 850 FEEDER PROTECTION SYSTEM INSTRUCTION MANUAL FLEXELEMENTS CHAPTER 11 METERING ...
