Stage Description
Logic of the Stage
[louv3pu1-021012-01.tif, 1, en_US]
Figure 6-206
Logic Diagram of the Stage Undervoltage Protection with Positive-Sequence Voltage
Method of Measurement
The stage uses the positive-sequence voltage. The positive-sequence voltage is calculated from the measured
phase-to-ground voltages according to the defining equation.
6.30.3
Protection and Automation Functions
6.30 Undervoltage Protection with Positive-Sequence Voltage
SIPROTEC 5, Overcurrent Protection, Manual 751
C53000-G5040-C017-8, Edition 07.2017
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