Functions
74
7UM62 Manual
C53000-G1176-C149-3
Figure 2-27 Operating Range and Possible Pickup Threshold of Short-Circuit
Protection Functions
2.11.2.1 Settings of the Startup Overcurrent Protection
2.11.2.2 Information for the Startup Overcurrent Protection
0
0.2
0.4
0.6
0.8
1
1.2
0
0.5
1
1.5
2
2.5
3
f/fn
I/InG
I>>
O/C START
Idiff
Addr.
Setting Title
Setting Options
Default Setting
Comments
1801
O/C STARTUP
OFF
ON
Block relay for trip com-
mands
OFF
Startup O/C protection
1802
STARTUP I>
0.10..20.00 A
1.30 A
I> Pickup
1803
STARTUP T I>
0.00..60.00 sec;
∞
0.50 sec
T I> Time Delay
F.No.
Alarm
Comments
05571 >BLOCK O/C St
>BLOCK startup O/C protection
05572 O/C Start OFF
Startup O/C protection is switched OFF
05573 O/C Start BLK
Startup O/C protection is BLOCKED
05574 O/C Start ACT
Startup O/C protection is ACTIVE
05575 O/C Start L1 PU
Startup O/C phase L1 picked up
05576 O/C Start L2 PU
Startup O/C phase L2 picked up
05577 O/C Start L3 PU
Startup O/C phase L3 picked up
05578 O/C Start TRIP
Startup O/C protection TRIP