GE LPS-D Instruction Manual page 129

2 CALCULATION OF SETTINGS
Table 2–8: PROTECTION SETTINGS GUIDE (Sheet 3 of 9)
No. Mnemonic
CURVSUPVISN
501 IT_PICKUP
502 IB_PICKUP
503 IPT_PICKUP
504 IPB_PICKUP
505 IP BKFAC TO R
506 NT_OFFSET
507 U N B ALALA R M
OVERCURRNT
601 50
602 50_DIRCNL
603 50PICKUP
604 50PICKUPFF
605 50G
606 50G _D IR C N L
607 50GPICKUP
608 50GPCKPFF
609 50GRESTNT
610 51G
611 51G_DIRCNL
612 51GPICKUP
613 51GPCKUPFF
†
Setting/value is applicable to LPS-D Revision B models only.
‡
Setting/value is applicable LPS-D Single Phase Tripping models only.
^ Setting/value is applicable to LPS-D Three Phase Tripping models only.
GE Power Management
Description
Trip Supervision Current
Block Supervision Current
GDOC Trip Current
GDOC Block Current
IPB I1 Restraint
NT/NB Offset
Unbalanced Current Alarm
Phase Instantaneous
Overcurrent
Directional Control of 50
50 Pickup Setting
50 Pickup during fuse failure
Ground Instantaneous
Overcurrent
Directional Control of 50G
50G Pickup Setting
50G Pickup during fuse failure
50G Restraint Setting
Ground Time Overcurrent
Directional Control of 51G
51G Pickup Setting
51G Pickup during fuse failure
LPS-D Line Protection System
2.5 REFERENCE TABLES
Range (5A) Range (1A)
0.20 to 4.0 amps 0.04 to 0.8 amps
step 0.01 step 0.01
0.20 to 4.0 amps 0.04 to 0.8 amps
step 0.01 step 0.01
0.50 to 5.0 amps 0.10 to 1.0 amps
step 0.01 step 0.01
0.25 to 3.75 amps 0.05 to 0.75 amps
step 0.01 step 0.01
0.0, 0.066
0.0 to 20.0 Ω 0.0 to 100 Ω
step 0.01 step 0.01
NO, YES
NO, YES
NO, YES
2.0 to 160.0 amps 0.4 to 32.0 amps
step 0.1 step 0.1
2.0 to 160.0 amps 0.4 to 32.0 amps
step 0.1 step 0.1
NO, YES
NO, YES
0.5 to 80.0 amps 0.1 to 16.0 amps
step 0.1 step 0.1
0.5 to 80.0 amps 0.1 to 16.0 amps
step 0.1 step 0.1
0.0, 0.3
NO, YES
NO, YES
0.20 to 15.0 amps 0.04 to 3.0 amps
step 0.01 step 0.01
0.20 to 15.0 amps 0.04 to 3.0 amps
step 0.01 step 0.01
Default
0.20 A at 5A
0.04 A at 1A
2
0.20 A at 5A
0.04 A at 1A
0.75 A at 5A
0.15 A at 1A
0.25 A at 5A
0.05 A at 1A
0.066
0.05Ω at 5A
0.25Ω at 1A
YES
NO
YES
20.0 A at 5A
4.0A at 1A
30.0 A at 5A
6.0 A at 1A
YES
YES
10.0 A at 5A
2.0 A at 1A
15.0 A at 5A
3.0A at 1A
0.3
YES
YES
1.0 A at 5A
0.2 A at 1A
2.0 A at 5A
0.4 A at 1A
2-
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