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Graphical yield (day, month, year)
Daily, monthly and annual yields can be displayed graphically in a chart.
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Event messages
Generator characteristic curve
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Information
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Period for a single yield value (here: day yield)
y-axis:
Yield in kWh
–
With an extra M: yield in MWh
–
The scaling changes depending on the maximum value
–
x-axis: time in hours/days/months/years
Total of all individual yields shown in the diagram, in kWh
The graphical representation can show annual yields for the
last 20 years.
See Section 10, P. 29.
x-axis: input voltage in V
y-axis: power in kW
peak = MPP
When the Gen. Ch. Curve menu item is called the inverter
records the generator characteristic curve of the inverter and
then displays it (Fig. left). The following applies:
• The inverter traverses the input voltage range and records
the power generated over this range. Duration: a few
seconds,
is displayed.
• The MPP is the peak of the generator characteristic curve.
• This peak and the generator characteristic curve change
with the level of solar irradiation.
• Multiple peaks are a sign of partial shadowing (Fig. left).
• If the top of the curve is flat then the inverter can possibly
no longer feed power into the grid.
The Information menu item contains the following sub-
menu items.
• Contact info
• System info (see Fig. left):
Product designation
–
Serial number of the inverter
–
Information on the software and hardware versions of
–
the inverter (see example in Fig. left)
Country setting (country currently set)
–
Inverter address
–
Version of the operating instructions for the inverter
–
• Country setting: country that is currently set and
country-specific grid parameters; see also P. 34.
• React. pwr. char. curve: Reactive power character-
istic curve graph (only when prescribed for currently set
country)
• Self test: Result of the last successfully performed self
test (only when the configured country is Italy)
744.711 | 12.20
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