2-58 ALPS Advanced Line Protection System
GE Power Management
2.5 REFERENCE TABLES 2 CALCULATION OF SETTINGS
2
310
‡
Z3RGREACH Z3 Resistive Ground Reach 0.01 to 100 ohms
step 0.01
0.05 to 500 ohms
step 0.05
18Ω at 5A
90Ω at 1A
Z4DISTANCE
401 Z4PHASE Z4 Phase Distance NO, YES YES
402 Z4PHREACH Z4 Phase Reach 0.01 to 50.0 ohms
step 0.01
0.05 to 250.0 ohms
step 0.05
18.0Ω at 5A
90.0Ω at 1A
403 Z4PCHARANG Z4 Phase Characteristic An
le 80 to 120 de
. step 5 90 de
.
404 Not Used
405 Z4GRND Z4 Ground Distance NO, YES YES
406 Z4GRDREACH Z4 Ground Reach 0.01 to 50.0 ohms
step 0.01
0.01 to 250.0 ohms
step 0.05
18.0Ω at 5A
90.0Ω at 1A
407 Z4GCHARANG Z4 Ground Characteristic An
le 80 to 155 de
., step 5 90 de
.
408 Z4DIRECTN Z4 Direction FORWRD, REVERS FORWRD
409 Z4_TIMERS Z4 Timers NO, YES YES
410 Z4P_TIME Z4 Phase Timer 0.10 to 10.0 sec. step 0.01 3.0 sec.
411 Z4G_TIME Z4 Ground Timer 0.10 to 10.0 sec. step 0.01 3.0 sec.
412
‡
Z4GRDCHAR Z4 Ground Characteristic MHO, QUAD MHO
413
‡
Z4RGREACH Z4 Resistive Ground Reach 0.01 to 100 ohms
step 0.01
0.05 to 500 ohms
step 0.05
135Ω at 1A
27Ω at 5A
CURVSUPVISN
501 IT_PICKUP Trip Supervision Current 0.20 to 4.0 amps
step 0.01
0.04 to 0.8 amps
step 0.01
0.20 A at 5A
0.04 A at 1A
502 IB_PICKUP Block Supervision Current 0.20 to 4.0 amps
step 0.01
0.04 to 0.8 amps
step 0.01
0.20 A at 5A
0.04 A at 1A
503 IPT_PICKUP GDOC Trip Current 0.50 to 5.0 amps
step 0.01
0.10 to 1.0 amps
step 0.01
0.75 A at 5A
0.15 A at 1A
504 IPB_PICKUP GDOC Block Current 0.25 to 3.75 amps
step 0.01
0.05 to 0.75 amps
step 0.01
0.25 A at 5A
0.05 A at 1A
505 IPBKFACTOR IPB I1 Restraint 0.0, 0.066 0.066
506 NT_OFFSET NT/NB Offset 0.0 to 20.0 ohms
step 0.01
0.0 to 100 ohms
step 0.01
0.05Ω at 5A
0.25Ω at 1A
507 UNBALALARM Unbalanced Current Alarm NO, YES YES
OVERCURRNT
601 50 Phase Instantaneous Overcurrent NO, YES NO
602 50_DIRCNL Directional Control of 50 NO, YES YES
603 50PICKUP 50 Pickup Settin
2.0 to 160.0 amps
step 0.1
0.4 to 32.0 amps
step 0.1
20.0 A at 5A
4.0A at 1A
604 50PICKUPFF 50 Pickup durin
fuse failure 2.0 to 160.0 amps
step 0.1
0.4 to 32.0 amps
step 0.1
30.0 A at 5A
6.0 A at 1A
605 50G Ground Instantaneous
Overcurrent
NO, YES YES
606 50G_DIRCNL Directional Control of 50G NO, YES YES
607 50GPICKUP 50G Pickup Settin
0.5 to 80.0 amps
step 0.1
0.1 to 16.0 amps
step 0.1
10.0 A at 5A
2.0 A at 1A
608 50GPCKPFF 50G Pickup durin
fuse failure 0.5 to 80.0 amps
step 0.1
0.1 to 16.0 amps
step 0.1
15.0 A at 5A
3.0A at 1A
609 50GRESTNT 50G Restraint Settin
0.0, 0.3 0.3
610 51G Ground Time Overcurrent NO, YES YES
611 51G_DIRCNL Directional Control of 51G NO, YES YES
612 51GPICKUP 51G Pickup Settin
0.20 to 15.0 amps
step 0.01
0.04 to 3.0 amps
step 0.01
1.0 A at 5A
0.2 A at 1A
Table 2–11: PROTECTION SETTINGS GUIDE (Sheet 2 of 7)
NO. MNEMONIC DESCRIPTION RANGE (5A) RANGE (1A) DEFAULT
†
Settin
value QUAD applies to Revision B models only.
‡
Settin
applicable to Revision B models only.
^
Settin
applicable to Sin
le Phase Trippin
models only.
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