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APPENDIX B. TC Curve
1. TC Curve
The EPIC-R300 supports analog recloser curves, IEC curves, ANSI/IEEE curves, and KEPCO
curves, The list is as follows.
◆ TC curve equation
The equation of TC curve supported by EPIC-R300 is as follows.
×
- I = Fault current
- I> = Pick up current setting value
- k = Multiplier setting value
No.
1
2
3
4
5
6
7
8
9
10
TC Curve
A
B
C
D
E
K
L
M
N
P
No.
11
12
13
14
15
16
17
18
19
20
TC Curve
R
T
V
W
Y
Z
1
2
3
4
No.
21
22
23
24
25
26
27
28
29
30
TC Curve
5
6
7
8
8*
9
11
13
14
15
No.
31
32
33
34
35
36
37
38
39
40
TC Curve
16
18
IEC NI
IEC VI
IEC EI
IEC LI
IEC SI
IEEE MI IEEE VI
IEEE EI
No.
41
42
43
44
45
46
47
48
49
50
TC Curve
IEEE NI
ANSI U2 ANSI U8
ES NI
ES VI
KEPCO N1 KEPCO N2 KEPCO N3 KEPCO N4
Standard
Curve
A
B
C
IEC
Normal Inverse(NI)
0.14
0.02
Very Inverse(VI)
13.5
1
Extremely Inverse(EI)
80
2
Long-time Inverse(LI)
120
1
Short-time Inverse(SI)
0.05
0.04
IEEE/ANSI
Moderately Inverse(MI)
0.0515
0.114
0.02
Very Inverse(VI)
19.61
0.491
2
Extremely Inverse(EI)
28.2
0.1217
2
Normal Inverse(NI)
0.0086
0.0185
0.02
ANSI
Long-time Inverse(U8)
5.95
0.18
2
Short-time Inverse(U2)
0.2394
0.0169
0.02
ES
Normal Inverse(NI)
0.011
0.042
0.02
Very Inverse(VI)
3.985
0.1084
1.95
Summary of Contents for RECLOSER
Page 1: ...User Manual Document Version 1 5 Feb 28 2019 http powersys kr http www powersys kr...
Page 14: ...8 3 5 Mechanical Performance and Size Weight 3 5 kg FRONT VIEW Figure 3 1 Front View...
Page 15: ...9 SIDE VIEW 343 00 310 00 91 00 Figure 3 2 Side View...
Page 16: ...10 TOP VIEW 84 0 260 0 225 0 1 0 0t Figure 3 3 Top View...
Page 17: ...11 REAR VIEW 180 0 120 0 Figure 3 4 Rear View...
Page 22: ...16 Controller PCB 215 00 103 90 121 10 112 50 112 50 235 00 205 00 Figure 3 8 Controller PCB...
Page 69: ...63...
Page 71: ...65 Example configuration file...
Page 73: ...67 2 TC Curve 1 4 100 101 10 1 100 101 102 Time sec Current In Multiplies of Setting 1 2 3 4...
Page 74: ...68 3 TC Curve 5 8 100 101 10 1 100 101 102 Time sec Current In Multiplies of Setting 5 6 7 8...
Page 77: ...71 6 TC Curve A D 100 101 10 1 100 101 102 Time sec Current In Multiplies of Setting A B C D...
Page 78: ...72 7 TC Curve E M 100 101 10 1 100 101 102 Time sec Current In Multiplies of Setting E K L M...
Page 79: ...73 8 TC Curve N T 100 101 10 1 100 101 102 Time sec Current In Multiplies of Setting N P R T...
Page 80: ...74 9 TC Curve V Z 100 101 10 1 100 101 102 Time sec Current In Multiplies of Setting V W Y Z...