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Figure 2-89
First activate the function at „Customize --> General" and select the mode of operation „Three-Phase".
Figure 2-90
In the menu items „Meas. Quantity" and „Meas. Method", „Active Power reverse" or „Exceeding" must be set.
If the box „Display additional settings" is enabled in the „Settings" menu item, pickup threshold, pickup time
delay and dropout time delay can be configured. As the power direction cannot be determined in the case of a
measuring voltage failure, a protection blocking is sensible in this case.
SIPROTEC, 7SK80, Manual
E50417-G1140-C344-A5, Release date 11.2012
Configuration of a flexible protection function
Selection of the three-phase mode of operation
2.16 Reverse-Power Protection Application with Flexible Protection Function
Functions
243
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