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350 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
S6 MONITORING
CHAPTER 6: SETPOINTS
Figure 6-78: Apparent Power Demand logic diagram
LED
:PICKUP
Apparent Power Inputs
AND
APP
ARENT
PWR
D
M
D
FUNCTION
:
Disabled
Alarm
Latched
Alarm
OR
SETPOINTS
APP
ARENT
PWR DMD
MEASUREMENT
TYPE
:
Calculate
Apparent
Power Demand
SETPOINTS
APP
ARENT
PWR DMD
APP
ARENT
POWER
PICKUP
:
S Demand
≥
PICKUP
RUN
ApprntPwr Dmd PKP
AND
AND
Command
RESET
OR
LED
:ALARM
APP
ARENT
PWR DMD
THERMAL
90
%
RESPONSE
TIME
:
APP
ARENT
PWR DMD
TIME INTER
VA
L
:
Three
-Phase
Apparent Power
(S
)
SETPOINTS
FlexLogic Operands
S
LA
TCH
Set
-
Dominant R
SETPOINT
Do Not Operate, Operate
OUTPUT
RELA
Y X
SETPOINTS
BLOCK
1:
Of
f=
0
BLOCK
2:
Of
f=
0
BLOCK
3:
Of
f=
0
OR
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