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869 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
PROTECTION
CHAPTER 4: SETPOINTS
Figure 4-66: Phase Time Overcurrent Protection logic diagram
894149A1.
CDR
SETPOINTS
Phase
A
current
(I
a
)
SETPOINT
FUNCTION
:
Disabled
T
rip
PICKUP
:
CUR
VE
:
TDM
:
Phase B current
(I
b
)
Phase C current
(I
c
)
OR
Operate Output Relay 1 (TRIP
)
LED
:
P
ICKUP
OR
Alarm
OR
OR
Phase Currents
AND
Latched
Alarm
AND
RUN
Ia
>
PICKUP
RUN
Ib
>
PICKUP
RUN
Ic
>
PICKUP
Adjust PKP
Adjust PKP
Adjust PKP
SETPOINTS
BLOCK
:
Of
f =
0
LED
: A
LARM
RESET
Command
AND
S
R
LA
TCH
Configurable
FlexLogic Operands
Phase
T
OC
1
OP
Phase
T
OC
1
OP
:C
Phase
T
OC
1
OP
:B
Phase
T
OC
1
OP
:A
FlexLogic Operands
Phase
T
OC
1
PKP
Phase
T
OC
1
PKP
C
Phase
T
OC
1
PKP
B
Phase
T
OC
1
PKP
A
SETPOINTS
INPUT
:
Phasor
,
RMS
RESET
:
From Cold Load Pickup
T
OC Pickup Raise
From
Autoreclose
T
OC Pickup Raise
SETPOINTS
OUTPUT
RELA
YS
Do Not Operate
,
Operate
LED
: T
RIP
Set
Dominant
From Manual Close Blocking
T
OC Pickup Raise
RUN
Calculate
V
oltage
Restraint
Multiplier
SETPOINT
VOT
AGE RESTRAINT
:
Disabled
Enabled
AND
Ph
A
Reverse
(from Phase
Directional OC element
)
SETPOINTS
DIRECTION
:
Disabled
Forward
Reverse
OR
AND
AND
AND
AND
Ph B Reverse
(from Phase
Directional OC element
)
Same Logic as for Phase
A
Ph C Reverse
(from Phase
Directional OC element
)
Same Logic as for Phase
A
AND
OR
SETPOINTS
SIGNAL
INPUT
:
CT
Bank
1
–
J1
CONFIGURABLE IN
845
USED ONL
Y
IN
850
USED ONL
Y
IN
845
Содержание 869
Страница 10: ...VIII 869 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL ...
Страница 48: ...1 38 869 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL FOR FURTHER ASSISTANCE CHAPTER 1 INTRODUCTION ...
Страница 78: ...2 30 869 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL ELECTRICAL INSTALLATION CHAPTER 2 INSTALLATION ...
Страница 127: ...CHAPTER 3 INTERFACES SOFTWARE INTERFACE 869 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL 3 49 ...
Страница 129: ...CHAPTER 3 INTERFACES SOFTWARE INTERFACE 869 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL 3 51 ...
Страница 538: ...4 406 869 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL TESTING CHAPTER 4 SETPOINTS ...
Страница 578: ...6 22 869 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL FLEXELEMENTS CHAPTER 6 METERING ...
Страница 592: ...7 14 869 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL CLEAR RECORDS CHAPTER 7 RECORDS ...