GE 350-A9, Instruction Manual

Page: 264 / 334

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 INITIA
TE
CLP FUNCTION:
Disabled
Alarm
Latched Alarm
OUT
AGE TIME BEFORE
COLD L
O
AD
ENABLE
RESE
T
RUN
BL
OCK TIME C
OLD L
O
AD
ENABLE
RUN
BL
OCK PH IOC1
BL
OCK PH IOC2
BL
OCK NTRL IOC1
BL
OCK NTRL IOC2
BL
OCK GND
.S
.GND IOC1
BL
OCK 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
RESE
T
LED: AL
ARM
OUTPUT REL
AY
X
Do Not Operate, Operate
Recor
d Event
Message
Cold Load PKP Blk
RAISE PH T
OC PKP
RAISE NTRL T
OC PKP
RAISE GND/S
.GND T
OC PKP
RAISE NEG SEQ T
OC PKP
Raise by Per
cent
Raise by Per
cent
Raise by Per
cent
Raise by Per
cent
Block Block Block Block Block Block
Select Setpoint Gr
oup
Gr
oup No
.
Raise Pickup Raise Pickup Raise Pickup Raise Pickup
Select Gr
oup
898706A4.cdr
AND AND AND AND AND AND
AND AND AND AND AND
AND
AND
OR
AND
OR OR
AND
AND
AND
OR
Command
LA
TC
H
Cold Load
Pickup armed
(External Input)
AU
TORECL
OSE A
CTIVE
SE
TP
OINT
SE
TP
OINT
SE
TP
OINT
SE
TP
OINT
SE
TP
OINT
SE
TP
OINT
SE
TP
OINT
SE
TP
OINT
SE
TP
OINT
SE
TP
OINT
SE
TP
OINT
SE
TP
OINT
SE
TP
OINT
SE
TP
OINT
SE
TP
OINT
SE
TP
OINT
BL
OCK NEG SEQ IOC
Yes = 1, No = 0
Block
AND
SE
TP
OINT