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[lo-i-vg-stufe-20101108, 2, en_US]
Figure 2-26
Definite Time Overcurrent Element 50-2
The logic of the overcurrent elements 50-2 is the same as the logic of the 50-1 elements described above. In
all names, -1 has to be replaced by -2. The parameter names of the 50-2 elements are listed in Section
2.4.4 Setting
Notes.
Definite Time Overcurrent Element 50-3
The 50-3 element operates independently of the other elements. Its logic corresponds to the 50-1 and 50-2
elements described above, but operates non-directional only.
If parameter 50-3 Inrush (address 2653) is set to YES, the element is blocked.
SIPROTEC 4, 7SD80, Manual
E50417-G1100-C474-A2, Edition 02.2018
Logic diagram of the 50-1 element
Functions
2.4 Backup overcurrent
73
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