RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr
194
ENHANCED
TECHNOLOGY
11) IEC Short Time Inverse Curves
Figure 7-22. IEC Short Time Inverse Curves
100
200
300
400
500
600
700
800
900
1k
2k
3k
4k
5k
6k
7k
8k
9k
10k
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
2
3
4
5
6
7
8
9
10
20
30
40
50
60
70
80
90
100
100
200
300
400
500
600
700
800
900
1k
2k
3k
4k
5k
6k
7k
8k
9k
10k
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
2
3
4
5
6
7
8
9
10
20
30
40
50
60
70
80
90
100
1.00
0.8
0.7
0.6
0.5
0.2
0.3
0.4
0.1
0.05
RECLOSER CLEARING TIME CURVE
: IEC SHORT TIME INVERSE
CURVES ARE AVERAGE CLEARING TIME
VARIATIONS
±5% OR 0.01 SECONDS
TIME(SECONDS)
PERCENTAGE OF PICKUP CURRENT