Siemens 7SR51 - Logic of the Function; Application and Setting Notes

Logic of the Function
[lo_7SR5_59logicdiagram, 1, en_US]
Figure 5-34
Logic Diagram: 59 Overvoltage Protection – 3 Phase
Application and Setting Notes
Parameter: Input Selection
•
Default setting: ph-ph
This parameter defines whether the undervoltage protection function operates on phase-neutral voltages
V
A
, V
B
, and V
C
or phase-phase voltages V
AB
, V
BC
, and V
CA
and is applied to all elements of this function
type.
5.22.3
5.22.4
Protection and Automation Functions
5.22 59 Overvoltage Protection – 3 Phase
Reyrolle 7SR5, Overcurrent Protection Device, Device Manual 307
C53000-G7040-C014-1, Edition 11.2019