GE ALPS - Page 124

2-60 ALPS Advanced Line Protection System
GE Power Management
2.5 REFERENCE TABLES 2 CALCULATION OF SETTINGS
2
902 BYPASSTL3 Bypass Line Pickup Time Delay NO, YES NO
903 I1PICKUP I1 Pickup 1.0 to 15.0 amps
step 0.1
0.2 to 3.0 amps
step 0.1
3.0 A at 5A
0.6 A at 1A
REMOTEOPEN (THREE-PHASE SYSTEMS ONLY)
1001 REMOTEOPEN Select Remote Open Detector NO, YES NO
1002 TL20PICKUP Remote Open Detector Time
Delay
10 to 100 msec. step 1 100 msec.
LINEOVERLD
1101 LINEOVERLD Select Line Overload Protection NO, YES NO
1102 LEVEL1PU Level 1 pickup current 2.5 to 20 amps
step 0.1
0.5 to 4.0 amps
step 0.1
10 A at 5A
2 A at 1A
1103 LEVEL2PU Level 2 pickup current 5.0 to 40.0 amps
step 0.1
1.0 to 8.0 amps
step 0.1
20 A at 5A
4 A at 1A
1104 LEVEL1TDLY Level 1 time delay 10 to 200 sec. step 1 50 sec.
1105 LEVEL2TDLY Level 2 time delay 10 to 99 sec. step 1 25 sec.
SCHEME
1201 PICKSCHEME Select a scheme lo
g
ic STEPDST, PUTT, POTT1, POTT2, HYBRID,
BLOCK, HYBRIDP
STEPDST
1202 NUMRCVR Select a number of receivers 0, 1, 2, 4 0
1203
ˆ
TRIPMODE 1-phase / 3-phase Trip Mode 3POLE, 1POLE, 1POLEZ2 3POLE
1204 CARRSTART Select Function to use to Start
Carrier in BLOCKin
g
scheme
DIR, IPB, FD IPB
1205 WKINFTRIP Select Weak Infeed Trippin
g
for
HYBRID scheme
NO, YES NO
SCHMTIMERS
1301 TL1PICKUP Trip Inte
g
rator 1 to 200 msec. step 1 5 msec.
1302 TL4PICKUP POTT Coord Timer PU 0 to 50 msec. step 1 0 msec.
1303 TL4DROPOUT POTT Coord Timer DO 0 to 50 msec. step 1 0 msec.
1304 TL5PICKUP BKR1 b sw Coord Timer PU 0 to 200 msec. step 1 50 msec.
1305 TL5DROPOUT BKR1 b sw Coord Timer DO 0 to 200 msec. step 1 50 msec.
1306 TL6PICKUP BKR2 b sw Coord Timer PU 0 to 200 msec. step 1 50 msec.
1307 TL6DROPOUT BKR2 b sw Coord Timer DO 0 to 200 msec. step 1 50 msec.
1308 TL16PICKUP Weak Infeed Trip Timer 8 to 99 msec. step 1 8 msec.
1309 TL24DRPPOUT GDOC Blockin
g
Timer 30 to 500 msec. step 1 30 msec.
1310 TL25DRPOUT Distance Blockin
g
Timer 30 to 500 msec. step 1 30 msec.
1311 TL26PICKUP Repeat Delay Timer 0 to 50 msec. step 1 0 msec.
LINE INFO
1401 POSSEQANG Positive Sequence Impedance
An
g
le
25 to 90 de
g
. step 1 85 de
g
.
1402 ZERSEQANG Zero Sequence Impedance An
g
le 25 to 90 de
g
. step 1 75 de
g
.
1403 ZLINE Positive Sequence Line
Impedance in sec.ohms
0.01 to 50.0 ohms
step 0.01
0.05 to 250.0 ohms
step 0.05
6Ω at 5A
30Ω at 1A
1404 ZEROSEQK0 Z0/Z1 Ratio 1.0 to 7.0 step 0.01 3.0
1405 LINELENGTH Line Len
g
th 0.0 to 500.0 step 0.1 100.0
1406 LINEUNIT Units of Len
g
th MILES, KM, PERCENT MILES
1407 CTRATIO CT Ratio 1 to 5000 step 1 400 for 5A
2000 for 1A
1408 PTRATIO PT Ratio 1 to 7000 step 1 3000
Table 2–11: PROTECTION SETTINGS GUIDE (Sheet 4 of 7)
NO. MNEMONIC DESCRIPTION RANGE (5A) RANGE (1A) DEFAULT
†
Settin
g
value QUAD applies to Revision B models only.
‡
Settin
g
applicable to Revision B models only.
^
Settin
g
applicable to Sin
g
le Phase Trippin
g
models only.