4–230
869 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
PROTECTION
CHAPTER 4: SETPOINTS
Figure 4-85: Negative Sequence Overvoltage Protection logic diagram
SETPOINTS
SETPOINT
FUNCTION:
Disabled
T
rip
PICKUP:
AND
Operate Output Relay 1 (TRIP)
LED: PICKUP
LED: TRIP
Alarm
OR
OR
AND
Latched
Alarm
AND
SETPOINTS
BLOCK:
Of
f
= 0
LED: ALARM /
LA
TCHED
ALARM
RESET
Command
AND
S
R
LA
TCH
Configurable
FlexLogic Operands
Neg Seq OV 1 OP:
Neg Seq OV 1 PKP:
SETPOINTS
PICK-UP
DELA
Y
:
DROP-OUT
DELA
Y
:
t PKP
t RST
V_2 > PICKUP
RUN
SETPOINTS
Do Not Operate, Operate
OUTPUT
RELA
YS
3 to 7
SETPOINTS
Signal Input
Ph VT
Bank
1 –
J2
Phase
A
V
oltage
(V
a
)
Phase B V
oltage
(Vb)
Phase C V
oltage
(Vc)
Phase V
oltages
850 Only
894051A2.cdr
Summary of Contents for 869
Page 10: ...VIII 869 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL ...
Page 127: ...CHAPTER 3 INTERFACES SOFTWARE INTERFACE 869 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL 3 49 ...
Page 129: ...CHAPTER 3 INTERFACES SOFTWARE INTERFACE 869 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL 3 51 ...
Page 538: ...4 406 869 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL TESTING CHAPTER 4 SETPOINTS ...
Page 578: ...6 22 869 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL FLEXELEMENTS CHAPTER 6 METERING ...
Page 592: ...7 14 869 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL CLEAR RECORDS CHAPTER 7 RECORDS ...