GE ALPS - Page 41

GE Power Management
ALPS Advanced Line Protection System 1-29
1 PRODUCT DESCRIPTION 1.8 PROTECTION SCHEMES
1
Figure 1–14: POTT WITH BLOCKING FUNCTIONS (POTT2)
FAULT
DETECTOR
LINE PICKUP
(
CANCL
)
(
RI
)
3
4
F = 1 - 50
TL1
F
50
25
X
B
0
3
407
8
301
508
302
KEY
PERMISSIVE
CHANNEL
(
Zone 2
)
TL24
2
CC
(
RCVR2
)
TL2G
B
0
REF
REF
TL2P
PHASE
DISTANCE
GROUND
DISTANCE
GROUND
DIRECTIONAL
OVER-
CURRENT
REMOTE
OPEN
PHASE
DISTANCE
GROUND
DISTANCE
110
GROUND
BACKUP
OVER-
CURRENT
SUPERVISION
PHASE
DISTANCE
GROUND
DISTANCE
PHASE
DISTANCE
GROUND
DISTANCE
PHASE
BACKUP
50P
P
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 = 0.4 to 6 sec.
D = 0.4 to 6 sec.
(
Zone 4
)
(
Zone 3
)
REVERSIBLE
ZONE 4
ZONE 3
ZONE 1
OVERREACHING ZONE /
ZONE 2
13
Protection
Settin
g
1202
(
KEY1
)
(
KEY2
)
Protection
Setting 205
POTT2.VSD
(
CNFTRP
)
CONFIGURABLE
TRIP BUS
8
RECLOSE CANCEL
RECLOSE INITIATE
BLOCK
RECLOSING
Settin
g
s 801 - 810
9
9
(
TRIP
)
TRIP
BUS
44
7
7
6
103
BLOCK ZONE 1
Settin
g
110
Supervise Zone 4
[2 RCVRS]
[1 RCVR]
21
CC
(
RCVR1
)
204
404
OSB
205
E
E
E
E
TL5
TL6
E = 0 - 200
52-1
b
52-2
b
[2 BREAKERS]
[1BREAKER]
General
Settin
g
105
CC
CC
5
5
FFB
Settin
g
714
FFB
Settin
g
714
PT FUSE
FAILURE
DETECTION
LOGIC
OUT OF STEP
BLOCKING
LOGIC
OSB
Settin
g
s 1601
to 1607
BLOCKS SELECTED
PHASE AND GROUND
ZONE FUNCTIONS
DURING OUT OF STEP
CONDITION
B = 0.2 to
3.0 sec.
TRIP
BLOCK
50G
51G