1-34
ALPS Advanced Line Protection System
GE Power Management
1.8 PROTECTION SCHEMES
1 PRODUCT DESCRIPTION
1
Figure 1–18: HYBRID LOGIC DIAGRAM
F A U L T
D E T E C T O R
LINE PICKUP
3
4
F = 1 - 50
T L 1
F
50
25
X
B
0
3
8
301
508
302
(Zone 2) TL24
2
C C
(RCVR2)
T L 2 G
B
0
R E F
R E F
B = 0.2- 3.0 SEC
T L 2 P
P H A S E
D I S T A N C E
G R O U N D
D I S T A N C E
G R O U N D
DIRECTIONAL
O V E R -
C U R R E N T
R E M O T E
O P E N
P H A S E
D I S T A N C E
G R O U N D
D I S T A N C E
110
G R O U N D
B A C K U P
P H A S E
D I S T A N C E
G R O U N D
D I S T A N C E
P H A S E
D I S T A N C E
G R O U D N D
D I S T A N C E
P H A S E
B A C K U P
5 0 P
25
X
TL25
X = 30 - 300
O S B A L L
F F B
Setting 714
C
0
C
0
D
0
D
0
T L 4 G
T L 4 P
T L 3 G
T L 3 P
13
503
20
28
12
B L O C K Z O N E 1
Setting 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
Setting 1202
S e t t i n g
2 0 5
( C N F T R P )
C O N F I G U R A B L E
T R I P
T R I P
P E R M I S S I O N
37
35
35
103
B L O C K Z O N E 1
Setting 110
[2 RCVRS]
[1 RCVR]
101
G
8
+
505
W I
405
TL16
G = 8 - 80
80
102
TL11
C C
(RCVR1)
404
O S B
205
TL26
F
0
F = 0 - 50
R E F
Setting
1205
305
V 1 D E T E C T O R
3
W I
O U T - O F - S T E P
B L O C K I N G L O G I C
O S B
Settings 1601
to 1607
PT FUSE FAILURE
D E T E C T L O G I C
F F B
Setting 714
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
204
F F B
Setting 714
V 1 L
D E T E C T O R
4
306
305
50
0
S I N G P T R I P
306
O P E N P O L E
O S B
O V E R -
C U R R E N T
S U P E R V I S I O N
IT
IB
Supervise Zones 1, 2, and 3
W E A K I N F E E D
T R I P P E R M I S S I O N
P
10
407
RECEIVER
DEBOUNCE
DETECTOR
TL27
407
TL30
R C V R
4 0 7
408
408
R C V R
80
T R I P
B L O C K
K E Y
P E R M I S S I V E
C H A N N E L
5 0 G
5 1 G
Supervise Zone 4