Trip Time Curves acc. to ANSI
Acc. to ANSI/IEEE (see also Figure 4-3 bis Figure 4-6)
The tripping times for Ι/Ι
p
≥ 20 are identical with those for Ι/Ι
p
= 20
For zero sequence current read 3Ι0p instead of Ι
p
and T
3Ι0p
instead of T
p
;
for ground fault read Ι
Ep
instead of Ι
p
and T
ΙEp
instead of T
p
Anregeschwelle
ca. 1,10 · Ι
p
Dropout Time Characteristics with Disk Emulation acc. to ANSI/IEEE
Acc. to ANSI/IEEE (see also
Figure 4-3 bis Figure 4-6)
Technical Data
4.3 Inverse-time Overcurrent Protection
456 SIPROTEC 4, 7SJ62/64, Manual
C53000-G1140-C207-8, Edition 08.2016
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