GE LPS-O - Very Inverse Curve

2-
30
LPS-O Line Protection System GE Power Management
2.4 INVERSE CURVES 2 CALCULATION OF SETTINGS
2
2.4.2 VERY INVERSE CURVE
,
Figure 2–15: VERY INVERSE CURVE
0.01
0.1
1
10
100
0.1 1 10 100
MULTIPLES OF PICKUP
TIME (seconds)
10
9
8
7
6
5
4
3
2
1
0.5
t
i
m
e
d
i
a
l
TIME DIAL
t RESET
()
TD
4.32
1 M
2
–
-----------------
=
tPU
()
TD
3.922
M
2
1
–
-----------------
0.0982
+=