GE 350-A9

6–134 350 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
S4 CONTROLS CHAPTER 6: SETPOINTS
Figure 6-58: Cold load pickup logic diagram
Ia < 3% CT Ib < 3% CT Ic < 3% CT
Ia > 10% CT Ib > 10% CT Ic > 10% CT
CLP INITIATE
CLP FUNCTION:
Disabled
Alarm
Latched Alarm
OUTAGE TIME BEFORE COLD LOAD
ENABLE
RESET
RUN
BLOCK TIME COLD LOAD
ENABLE
RUN
BLOCK PH IOC1 BLOCK PH IOC2
BLOCK NTRL IOC1 BLOCK NTRL IOC2
BLOCK GND.S.GND IOC1 BLOCK GND.S.GND IOC2
Yes = 1, No = 0 Yes = 1, No = 0 Yes = 1, No = 0 Yes = 1, No = 0 Yes = 1, No = 0 Yes = 1, No = 0
RESET
LED: ALARM
OUTPUT RELAY X
Do Not Operate, Operate
Record Event
Message
Cold Load PKP Blk
RAISE PH TOC PKP RAISE NTRL TOC PKP RAISE GND/S.GND TOC PKP
RAISE NEG SEQ TOC PKP
Raise by Percent Raise by Percent Raise by Percent
Raise by Percent
Block Block Block Block Block Block
Select Setpoint Group
Group No.
Raise Pickup Raise Pickup Raise Pickup
Raise Pickup
Select Group
898706A4.cdr
ANDAND
AND
ANDANDAND
ANDANDAND
AND
AND
AND
AND
OR
AND
OR OR
AND
AND
AND
OR
Command
LATCH
Cold Load
Pickup
armed
(External Input)
AUTORECLOSE ACTIVE
SETPOINT SETPOINT
SETPOINT
SETPOINT
SETPOINT
SETPOINT SETPOINT SETPOINT SETPOINT SETPOINT SETPOINT
SETPOINT SETPOINT SETPOINT
SETPOINT
SETPOINT
BLOCK NEG SEQ IOC
Yes = 1, No = 0
Block
AND
SETPOINT