Siemens Sicam P855 7KG85 Series Device Manual page 39

4.1.2.4 Event Recorder (Only SICAM P855)
The Event Recorder exclusively records PQ events (undervoltage, overvoltage, voltage interruptions). The use
nominal voltage is the reference value for the analysis.
V [%]
rated
110
108
100
92
90
Figure 4-6
Voltage Event
• Dip threshold:
• Swell threshold:
• Voltage interruption threshold:
• Event hysteresis:
Frequency Event
• Underfrequency threshold:
• Overfrequency threshold:
Voltage Unbalance Event
• Voltage unbalance threshold:
SICAM P850/P855, 7KG85xx, Device Manual
E50417-H1040-C482-A6, Edition 10.2018
Voltage dip
Event Event
start stop
Duration of
event
Recording of the Event Recorder, Overvoltage and Undervoltage
75 % to 95 % (default 90 %)
105 % to 140 % (default 110 %)
1 % to 10 % (default 5 %)
1 % to 6 % (default 2 %)
0.1 % to 5 % (default 1 %)
0.1 % to 5 % (default 1 %)
1 % to 5 % (default 5 %)
Voltage swell
Hysteresis
(2 %)
Hysteresis
(2%)
Event Event
start stop
Duration of
event
4 Measurands and Recording
4.1 Measuring and Recording System
t
t
39