Alstom Reason RPV311, Technical Manual

Page: 145 / 350

RPV311 Chapter 5
– Operation
RPV311-TM-EN-6 145
D SOE records listed, with the following information:

Time stamp: indicates the date and time of event log (yyyymm-dd hh:mm:ss[.uuuuuu]
±
0000 (UTC
time offset);

Cause: indicates threshold exceeded;

Duration: record length in seconds.
E The <C
OMTRADE
> button allows download of record, line per line, and saving it in the Comtrade format,
and compression as .zic file.
F The <C
LOSE
> button allows user to close the section.
3.7 MONITORING
With the Web Interface it is possible to monitor the values related to circuits and channels in three different
ways: through Plots, Current and Voltage Circuits, and Digital Channels.
3.7.1 MEASUREMENTS

Voltage and Current Measurement:
The values listed below are computed at the nominal system frequency (50 or 60 Hz):
Voltage and current measurement
ABC
RMS value ²
N
RMS value (neutral) ²
ABC1
Phasors ¹
N1
Phasors (neutral) ¹
S
+
Positive sequence ¹ ²
S
−
Negative sequence ¹ ²
U
Imbalance ¹ ²
F
Fundamental frequency ²
THD
Total harmonic distortion ²