Siemens SIPROTEC 5 Manual page 97

Fault recorder, v7.50 and higher

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The following figures show the setting sequence in the Primary edit mode. Set the transformer data in the

Power-system data in the Measuring point V 3ph tab. In the example, the current transformer has a trans-

formation ratio of 400 kV/100 V.

[scwanspa-280113-01.tif, 1, en_US]

You set the rated current and rated voltage in the 3-phase voltage/current function group, in the General

function block (see the following figure). Rated current and rated voltage are the reference parameters for the

percent setting.

[sc7kepro-280113-01.tif, 1, en_US]

The following figures shows the threshold value of the trigger function V fund. in the primary view with a

filtering time of 80 kV.

SIPROTEC 5, Fault Recorder, Manual

C53000-G5040-C018-5, Edition 11.2017

Setting Sheet: Transformer data

Reference Data for Percentage Settings

3.7 General Notes for Setting the Threshold Value of Trigger Functions

System Functions

Siemens 7ke85