Stage with Inverse-Time Characteristic Curve
Description
Logic of the Stage
[lo3phinv, 2, en_US]
Figure 6-181
Logic Diagram of the Inverse-Time Overvoltage Protection with 3-Phase Voltage
Method of Measurement
Use the Method of measurement parameter to define whether the stage uses the fundamental comp.
or the RMS value .
•
Measurement fundamental comp. :
This method of measurement processes the sampled voltage values and filters out the fundamental
component numerically.
6.23.4
6.23.4.1
Protection and Automation Functions
6.23 Overvoltage Protection with 3-Phase Voltage
698 SIPROTEC 5, Overcurrent Protection, Manual
C53000-G5040-C017-8, Edition 07.2017
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