GE LPS-O Instruction Manual page 88

2.5 REFERENCE TABLES
Table 2–9: PROTECTION SETTINGS DATA SHEET (Sheet 2 of 7)
No. Mnem onic
CURVSUPVISN
501 IT_PICKUP
2
502 IB_PICKUP
503
IPT_PICKUP
504
IPB_PICKUP
505
IPBK FA C TO R
506 NT_OFFSET
507 U N BALALAR 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
614 51GCURVE
see TABLE NOTES on page 2–53 for footnote explanations
2-
48
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
51G Curve
LPS-O Line Protection System
2 CALCULATION OF SETTINGS
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 amps fixed 0.10 amps fixed
0.25 amps fixed 0.05 amps fixed
0.0 fixed 0.0 fixed
0.0 to 20.0 ohms 0.0 to 100 ohms
step 0.01 step 0.01
NO, YES NO, YES
NO, YES 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
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 0.0, 0.3
NO, YES NO, YES
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
INV, V-INV, E-INV, INV, V-INV, E-INV,
CUSTOM, DEFT CUSTOM, DEFT
User
Setting
GE Power Management