Transient Detection; Transients - Siemens SICAM Q100 7KG95 Series Manual

Power Quality

7.11 Transient Detection

7.11 Transient Detection

Transients

7.11.1
The device detects temporary overvoltages as transients if the instantaneous value of the primary rated
voltage exceeds the parameterized reference value at one or several sampling points. The device detects and
captures transients that are as short as 100 μs at 50 Hz (80 μs at 60 Hz).
The following data and values are determined during the evaluation of the transients in the device:
•
Serial number of the event
•
Time when transients start to occur (time stamp with date and time)
•
Affected phase (a, b, c, ab, bc, ca)
•
Transient duration
The parameterized reference value (in %) is up to 240 % of the primary rated voltage.
206 SICAM, SICAM Q100 7KG95xx, Manual
E50417-H1040-C522-A9, Edition 06.2021