Siemens SIPROTEC 4 Manual page 259

[flexfkn-einstellungen-allgemein-3phasig-030204-he, 1, en_US]
Figure 2-108
In menu items "Measured Value" and "Measurement Procedures" "Active Power reverse"" or "Exceeding" must
be set. If in menu item „Settings" the box „Additional Parameters display" is enabled, threshold value, pickup
delay time and trip delay time can be configured. As the power direction cannot be determined in case of
measured voltage failure, protection blocking would be sensible in this case.
[flexfkn-einstellungen-5-watt-030204-he, 1, en_US]
Figure 2-109
Allocating the Reverse-Power Protection in DIGSI Configuration Matrix
The DIGSI configuration matrix initially shows the following indications (after selecting "Indications and
commands only" and "No filter".
SIPROTEC 4, 7SJ80, Manual
E50417-G1140-C343-A8, Edition 12.2017
Selection of the three-phase operating mode
Setting options of the flexible function
2.19 Reverse-Power Protection Application with Flexible Protection Function
Functions
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