Functions
2.14 Reverse-Power Protection Application with Flexible Protection Function
SIPROTEC, 7SK80, Manual
E50417-G1140-C344-A4, Release date 08.2010
224
Figure 2-82 Configuration of a flexible protection function
First activate the function at „Customize --> General“ and select the mode of operation „Three-Phase“.
Figure 2-83 Selection of the three-phase mode of operation
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.
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