Satec PM175 Manual User Manual Page 96

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Chapter 4 PAS Application Software
96
Series PM175 Powermeters
declared by the EN50160 may differ for characteristics for
which compliance limits are specified in the standard, usually
one week, and for those for which only indicative values are
provided, usually one year.
The EN50160 compliance reports produced by PAS provide
correct weekly and yearly observation statistics regardless of
the evaluation periods used for collecting data. Whenever
needed, PAS will aggregate records within a number of the
evaluation intervals to provide correct observation periods.
Some of the characteristics, like rapid voltage changes or
mains signaling voltage, may require daily assessments. If you
intend to use daily-evaluated voltage characteristics, select the
daily evaluation period via the EN50160 Advanced setup.
EN50160 Compliance Statistics Log
Data log file #9 is automatically configured in the PM175 for
recording EN50160 compliance statistics. Appendix E lists
parameters recorded to the file. The file is arranged as a multi-
section data log file where each voltage characteristic
statistics is stored in a separate section. Along with EN50160
compliance statistics recorded at the end of each evaluation
period, file also contains data that may be useful for trouble-
shooting power quality problems for non-compliant voltage
characteristics.
You can upload and view the EN50160 compliance statistics
data via PAS reports or via common PAS data logs views.
EN50160 Harmonics Survey Log
Data log file #10 is automatically configured in the PM175 for
recording harmonics survey statistics on a weekly or daily
basis. You can see parameters recorded to the file in
Appendix E. The file stores maximum THD (total, odd and
even harmonics) and maximum harmonic voltages up to order
50 collected within each evaluation period.
Harmonics survey is normally intended for trouble-shooting
harmonic problems throughout electrical networks. It can be
separately disabled or enabled in your meter via the EN50160
Advanced Setup. The evaluation period for harmonics survey
can be selected independently from the EN50160 compliance
evaluation.
You can upload and view the harmonics survey data collected
by your device via PAS reports or via common PAS data logs
views.
EN50160 Power Quality Event Log
The PM175 provides the EN50160 Power Quality (PQ)
recorder that can detect EN50160 incidents and record each
individual power quality event to the log file with the start and
end timestamps and a fault magnitude. It may be useful for
trouble-shooting problems throughout the electrical network,
for example, to identify and locate the source of a power
quality event and to select an appropriate solution.
The EN50160 power quality report can be uploaded and
viewed via PAS (see Viewing EN50160 Power Quality Event
Log). Transient overvoltages and short-duration voltage dips
and temporary overvoltages recorded to the file can also be
viewed in PAS as magnitude/duration pairs on the well-known
ITIC curve chart for assessing the minimum equipment
immunity.
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