ABB SPAJ 141 C - Page 52

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PAINOS
PAINOS
Fig. 5. RI-type inverse-time characteristics of the low-set overcurrent unit in relay module SPCJ 4D24
12
3
4
5
678910
2 0 I/I>
0.05
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
k
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
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0.8
0.9
1
3
4
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6
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70
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t/s
2
8