GE ALPS - Page 46

1-34 ALPS Advanced Line Protection System
GE Power Management
1.8 PROTECTION SCHEMES 1 PRODUCT DESCRIPTION
1
Figure 1–18: HYBRID LOGIC DIAGRAM
FAULT
DETECTOR
LINE PICKUP
3
4
F = 1 - 50
TL1
F
50
25
X
B
0
3
8
301
508
302
(Zone 2)
TL24
2
CC
(RCVR2)
TL2G
B
0
REF
REF
B = 0.2- 3.0 SEC
TL2P
PHASE
DISTANCE
GROUND
DISTANCE
GROUND
DIRECTIONAL
OVER-
CURRENT
REMOTE
OPEN
PHASE
DISTANCE
GROUND
DISTANCE
110
GROUND
BACKUP
PHASE
DISTANCE
GROUND
DISTANCE
PHASE
DISTANCE
GROUDND
DISTANCE
PHASE
BACKUP
50P
25
X
TL25
X = 30 - 300
OSBALL
FFB
Settin
g
714
C
0
C
0
D
0
D
0
TL4G
TL4P
TL3G
TL3P
13
503
20
28
12
BLOCK ZONE 1
Settin
g
110
1
103
2
25
11
C = 0.1 - 10 sec
D = 0.1 - 10 sec
(Zone 4)
(Zone 3)
REVERSIBLE
ZONE 4
ZONE 3
ZONE 1
OVERREACHING
ZONE / ZONE 2
13
Settin
g
1202
Settin
g
205
(CNFTRP)
CONFIGURABLE
TRIP
TRIP
PERMISSION
37
35
35
103
BLOCK ZONE 1
Settin
g
110
[2 RCVRS]
[1 RCVR]
101
G
8
+
505
WI
405
TL16
G = 8 - 80
80
102
TL11
CC
(RCVR1)
404
OSB
205
TL26
F
0
F = 0 - 50
REF
Settin
g
1205
305
V1 DETECTOR
3
WI
OUT-OF-STEP
BLOCKING LOGIC
OSB
Settin
g
s 1601
to 1607
PT FUSE FAILURE
DETECT LOGIC
FFB
Settin
g
714
BLOCKS SELECTED PHASE
AND GROUND ZONE
FUNCTIONS DURING OUT-
OF-STEP CONDITION
204
FFB
Settin
g
714
V1L
DETECTOR
4
306
305
50
0
SINGPTRIP
306
OPENPOLE
OSB
OVER-
CURRENT
SUPERVISION
IT
IB
Supervise Zones 1, 2, and 3
WEAK INFEED
TRIP PERMISSION
P
10
407
RECEIVER
DEBOUNCE
DETECTOR
TL27
407
TL30
RCVR
407
408
408
RCVR
80
TRIP
BLOCK
KEY
PERMISSIVE
CHANNEL
50G
51G
Supervise Zone 4