GE ALPS Instruction Manual page 112

Advanced line protection system
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2.4 INVERSE CURVES
2.4 INVERSE CURVES
100
2
10
1
0.1
0.01
0.1
2-48
1
MULTIPLES OF PICKUP
.
0
97
=
( t
RESET
)
TD
M
2
1
Figure 2–18: INVERSE CURVE
ALPS Advanced Line Protection System
10
0
=
( t
PU
)
TD
M
2 CALCULATION OF SETTINGS
10
9
8
7
6
5
4
3
2
1
0.5
100
.
0103
+
.
0
0228
.
0
02
1
GE Power Management

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