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1 PRODUCT DESCRIPTION
C C
[1 RCVR]
(RCVR1)
Protection
21
C C
Setting 1202
(RCVR2)
[2 RCVRS]
TL2P
P H A S E
D I S T A N C E
R E F
110
G R O U N D
D I S T A N C E
Protection
S e t t i n g 2 0 5
R E F
G R O U N D
T R I P
D I R E C T I O N A L
O V E R -
B L O C K
C U R R E N T
TL2G
R E M O T E
O P E N
P H A S E
D I S T A N C E
1
G R O U N D
103
D I S T A N C E
TL3P
BLOCK ZONE 1
Setting 110
P H A S E
C
D I S T A N C E
0
11
TL3G
C
G R O U N D
D I S T A N C E
0
C = 0.4 to 6 sec.
TL4P
P H A S E
D
D I S T A N C E
0
12
TL4G
D
G R O U N D
D I S T A N C E
0
D = 0.4 to 6 sec.
P H A S E
50P
B A C K U P
28
50G
G R O U N D
B A C K U P
51G
L I N E P I C K U P
F A U L T
D E T E C T O R
O V E R -
C U R R E N T
S U P E R V I S I O N
Supervise Zone 4
P T F U S E
F A I L U R E
FFB
D E T E C T I O N
Setting 714
L O G I C
O S B
O U T O F S T E P
B L O C K I N G
Settings 1601
L O G I C
to 1607
GE Power Management
B = 0.2 to
B
3.0 sec.
0
2
407
3
B
25
508
0
X
(Zone 2)
TL24
8
103
2
25
(Zone 3)
13
(Zone 4)
20
B L O C K S S E L E C T E D
P H A S E A N D G R O U N D
Z O N E F U N C T I O N S
D U R I N G O U T O F S T E P
C O N D I T I O N
Figure 1–14: POTT WITH BLOCKING FUNCTIONS (POTT2)
ALPS Advanced Line Protection System
52-1
C C
b
52-2
C C
b
TL1
F = 1 - 50
F
3
50
4
301
302
BLOCK ZONE 1
Setting 110
OSBALL
13
FFB
Setting 714
TL25
P
503
X
X = 30 - 300
6
9
8
9
B L O C K
RECLOSING
Settings 801 - 810
1.8 PROTECTION SCHEMES
TL5
E
E
[ 1 B R E A K E R ]
General
TL6
Setting
E
5
105
E
[ 2 B R E A K E R S ]
E = 0 - 200
FFB
Setting 714
KEY
PERMISSIVE
C H A N N E L
205
5
(KEY1)
204
(KEY2)
404
O S B
(CNFTRP)
CONFIGURABLE
TRIP BUS
44
(TRIP)
7
7
TRIP
B U S
(RI)
RECLOSE INITIATE
(CANCL)
R E C L O S E C A N C E L
POTT2.VSD
1-29
1
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