SMY133-SMY134-SMP133 Operating Manual
Average values processing can be set independently for so called
U/I
-group,
P/Q/S
-group and
optionally for the
RCM-
group of quantities.. Following table lists processed quantities of all of groups.
Tab. 4.5 : Average Values Groups
Average values group
Averaged quantities
“ U / I ”
U
LL
, U
LN
, I, f, T
“ P / Q / S ”
P, Q, S, PF, Pfh, Qfh, cosφ
“ RCM ”
IΔ (residual currents)
After the average parameters set, evaluation of average values starts from beginning. The
average values are temporary not available until the first averaging window expires.
Preset averaging parameters noted above are valid for so called standard average values.
For the maximum power demand
MD
in the Electricity Meter group, separate parameter is
used (see below).
4.3.2.2.1 Maximum and Minimum Average Values
Maximum and minimum values of average values are registered into the instrument's memory,
including the date & time of their occurrence.
The maximums&minimums are displayed on the left side of average values window - maximum value
is identified with the
↑
symbol and minimum value with the
↓
symbol.
To view their time stamps, press the
.
The maximum and minimum registered values can be cleared either manually or automatic clearing
can be set.
To clear the values manually, navigate to appropriate average group setup screen and use
Clear
option. At this screen last clear date can be checked too.
To activate automatic clearing of maximums/minimums of average values, set the automatic clear
period.
Only the appropriate group (U/I or P/Q/S or RCM) of average maxs/mins is affected by single
clearing ! Each group must be cleared or set individually
After clearing of registered average maximums/minimus, evaluation of appropriate average
values starts from beginning. After that, both the average values and their registered
maximums/minimums are temporary not available until new averaging window expires.
29
Fig. 4.23 : Average Data
Processing Setting
Fig. 4.24 : Average Data
maximum average value
reached since last clearing
minimum average value
reached since last clearing
average value
maximum/minimum
average value time stamps
