3.20
SEL-587Z Instruction Manual
Date Code 20020903
Relay Elements
Overcurrent Protection
Figure 3.18
U.S. Inverse Curve: U2.
0.50
6.00
5.00
3.00
2.00
1.00
12.00
10.00
.01
.5 .6 .7 .8 .9 1
.02
.03
.04
.05
.09
.07
.08
.1
.2
.3
.4
.5
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.9
.8
1
4
2
3
6
8 9
10
40
20
30
70
50
90 100
80
10
2
3
4
5
7
8
20
50
30
40
60
70
100
90
Tim
e in
Seco
nds
Time in C
ycles 60 Hz (50Hz)
3 (2.5)
6 (5)
15 (12.5)
30 (25)
60 (50)
600 (500)
150 (125)
300 (250)
1500 (1250)
3000 (2500)
6000 (5000)
Содержание SEL-587Z
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