GE ALPS Instruction Manual page 122

2.5 REFERENCE TABLES
Table 2–11: PROTECTION SETTINGS GUIDE (Sheet 2 of 7)
NO. MNEMONIC
‡ Z3RGREACH
310
Z4DISTANCE
401 Z4PHASE
402 Z4PHREACH
2
403 Z4PCHARANG
404 Not Used
405 Z4GRND
406 Z4GRDREACH
407 Z4GCHARANG
408 Z4DIRECTN
409 Z4_TIMERS
410 Z4P_TIME
411 Z4G_TIME
Z4GRDCHAR
‡
412
‡ Z4RGREACH
413
CURVSUPVISN
501 IT_PICKUP
502 IB_PICKUP
503 IPT_PICKUP
504 IPB_PICKUP
505 IPBKFACTOR
506 NT_OFFSET
507 UNBALALARM
OVERCURRNT
601 50
602 50_DIRCNL
603 50PICKUP
604 50PICKUPFF
605 50G
606 50G_DIRCNL
607 50GPICKUP
608 50GPCKPFF
609 50GRESTNT
610 51G
611 51G_DIRCNL
612 51GPICKUP
† Setting value QUAD applies to Revision B models only.
‡ Setting applicable to Revision B models only.
^ Setting applicable to Single Phase Tripping models only.
2-58
DESCRIPTION
Z3 Resistive Ground Reach
Z4 Phase Distance
Z4 Phase Reach
Z4 Phase Characteristic Angle
Z4 Ground Distance
Z4 Ground Reach
Z4 Ground Characteristic Angle
Z4 Direction
Z4 Timers
Z4 Phase Timer
Z4 Ground Timer
Z4 Ground Characteristic
Z4 Resistive Ground Reach
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
ALPS Advanced Line Protection System
2 CALCULATION OF SETTINGS
RANGE (5A) RANGE (1A)
0.01 to 100 ohms 0.05 to 500 ohms
step 0.01 step 0.05
NO, YES
0.01 to 50.0 ohms 0.05 to 250.0 ohms
step 0.01 step 0.05
80 to 120 deg. step 5
NO, YES
0.01 to 50.0 ohms 0.01 to 250.0 ohms
step 0.01 step 0.05
80 to 155 deg., step 5
FORWRD, REVERS
NO, YES
0.10 to 10.0 sec. step 0.01
0.10 to 10.0 sec. step 0.01
MHO, QUAD
0.01 to 100 ohms 0.05 to 500 ohms
step 0.01 step 0.05
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 ohms 0.0 to 100 ohms
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
DEFAULT
18Ω at 5A
90Ω at 1A
YES
18.0Ω at 5A
90.0Ω at 1A
90 deg.
YES
18.0Ω at 5A
90.0Ω at 1A
90 deg.
FORWRD
YES
3.0 sec.
3.0 sec.
MHO
135Ω at 1A
27Ω at 5A
0.20 A at 5A
0.04 A at 1A
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
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