The following figure shows the history of the measuring periods during the load-profile determination:
[dw_load-profile-rolling-block, 1, en_US]
Figure 5-3
History of the Measuring Periods for Determination of the Load Profile according to the
Rolling-Block Method
Load-Profile Data at the Communication Interface
The following load-profile data are available during a measuring period:
•
Average power values for all power quantities during the measuring period, calculated from the average
power values at the end of every subperiod (red dots in the figure)
•
Average power values for all power quantities during the subperiods (blue dots in the figure)
•
Maximum and minimum values for all power quantities within the subperiods
•
Cumulated power values for all power quantities at every sampling point within the current subperiod
The arithmetic average power values and the extreme values per subperiod are stored in the ring buffer. The
cumulated power values can be retrieved via communication or displayed on the Web pages.
Load-Profile Calculation – Arithmetic average power value:
The calculation of the arithmetic average power value of a measuring period refers to the actual duration of
the measuring period.
Special case: With constant power consumption or constant power supply, the arithmetic average power value
also remains constant in the current measuring period.
Load-Profile Calculation – Cumulated power value:
The power values are calculated cumulatively and the calculation refers to the (expected) length of the
respective subperiod.
Special case: With constant power consumption or constant power supply, the cumulated power value rises
linearly in the current measuring period.
Energy Management
5.1 Load Profile
102 SICAM, SICAM P850/P855 7KG85X, Manual
E50417-H1040-C482-A9, Edition 03.2022
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