Siemens 7SJ85 - Page 1540

At 1.5 · setting value threshold value
At 2.5 · setting value threshold value
33 ms + OOT
27 ms + OOT
32 ms + OOT
26 ms + OOT
Dropout time approx. 80 ms 67 ms
[dwausken-170712-01.tif, 1, en_US]
Figure 12-20 Restricted Ground-Fault Protection Operate Curve depending on the Phase Angle between lI
0
*
and II
0
** at |II
0
*| = |II
0
**| (180° = External fault)
Technical Data
12.50 Restricted Ground-Fault Protection
1540 SIPROTEC 5, Overcurrent Protection, Manual
C53000-G5040-C017-8, Edition 07.2017