Function Description - Siemens SIPROTEC 5 Manual

Fault Recorder
7.5 Trigger Functions 3-Phase
[dwfnpowe-161012-01.tif, 2, en_US]
Figure 7-67
A maximum of 3 function blocks of the same type can be entered or removed within the function. For unam-
biguous differentiation, the function blocks automatically receive a sequential number in the name of the
function block, for example, Trigger Psum 1, Trigger Psum 2, or Trigger Psum 3.
Each function block of the group of triggers contains the level triggers Max. trigger and Min. trigger
as well as the gradient triggers dM/dt rise (/Filter time) and dM/dt drop active of the corre-
sponding measurand.
You can find the description of the power-swing trigger in chapter
Swing.

Function Description

7.5.4.3
Logic
The following logic diagram shows the operating state of the group of power triggers.
[dwlotrip-161012-02.tif, 1, en_US]
Figure 7-68
336
Structure/Embedding of the Function
Logic Diagram of the Power Trigger
7.5.4.7 Function Description Trigger Power
SIPROTEC 5, Fault Recorder, Manual
C53000-G5040-C018-5, Edition 11.2017