GE GEK-106273L, Instruction Manual, Page: 143 / 209

RELAY COMMISSIONING
9-16 MIF Digital Feeder Protection GEK-106273L
ENERVISTA MII
SETUP
HMI
USER
VALUE
RANGE STEP
Gnd IOC Low Set Table 2
50NL Function (Table
2)
F50NL T2
50NL Permission to Trip 50NL Trip Permission TRIP 50NL T2 Y/N NA
50NL Tap / Pickup (1/5 A
ground)
50NL Pickup T2 TAP 50NL T2 0.1 – 30 In (Gnd) 0.1 In (G)
50NL Tap / Pickup
(sensitive ground) 50NL Pickup T2 TAP 50NL T2 0.005-0.12 A 0.001 A
50NL Time Delay 50NL Time Delay T2 TIME 50NL T2 0 – 600.00 s. 0.01 s.
Thermal Image Table 2 49 Function (Table 2) F49 T2
Permission to Trip 49 Trip Permission T2 TRIP 49 T2 Y/N NA
49 Tap / Pickup 49 Pickup T2 TAP 49 T2 0.1 – 2.4 In (Ph) 0.01 In
Overload Percent Alarm 49 Alarm Level T2 ALARM 49 T2 70% – 100% ITH
Heating Time Constant
τ
1
T1 T2 T1 T2 3 – 600 min. 1 min.
Cooling Time Constant
τ
2
T2 T2 T2 T2
1– 6 times
τ
1
1
USER’S CURVE
A A A 0-125 0.001
B B B 0-3 0.001
P P P 0-3 0.001
Q Q Q 0-2 0.001
K K K 0-1.999 0.001