Stage With Definite-Time Characteristic Curve; Description - Siemens 7SJ82 Manual

Parameter Value
yes
no

Stage with Definite-Time Characteristic Curve

6.6.4
6.6.4.1

Description

Logic of the Basic Stage
[lodocg6b-060213-01.tif, 2, en_US]
Figure 6-49
SIPROTEC 5, Overcurrent Protection, Manual
C53000-G5040-C017-8, Edition 07.2017
Description
The directional overcurrent-protection stage is blocked. Siemens recom-
mends that you retain the default setting, as correct direction determination
cannot be guaranteed if a measuring-voltage failure occurs.
The directional overcurrent-protection stage is not blocked.
Logic Diagram of the Directional, Definite-Time Overcurrent Protection, Phases - Basic
Protection and Automation Functions
6.6 Directional Overcurrent Protection, Phases
411