Ä
Chapter 6 „Fault rectification“ on page 50
①
X axis: input voltage in V
②
Y axis: power in kW
③
Peak = MPP
If the „Ch. Curve“ menu item is called, the inverter records the PV
generator characteristic curve and then displays it (Fig. upper left).
The following applies:
n The inverter traverses the input voltage range and records the
power generated over this range. Duration: a few seconds; is
displayed.
n The MPP is at the peak of the PV generator characteristic curve.
n This peak and the PV generator characteristic curve change with
the level of solar irradiation.
n Multiple peaks are a sign of partial shadowing (Fig. left).
n If the top of the curve is flat, the inverter can possibly no longer
feed power into the grid.
The menu item Information contains the following sub-menu
items.
n Contact info
n System info (see Fig. left):
–
Product designation
– Serial number of the inverter
– Information concerning the software and hardware version
of the inverter (see sample ① in Fig. left)
– Inverter address
– Power limit set at the inverter or predefined by the country
selection.
n Country setting: country that is currently set and country-
specific grid parameters; see also
Ä
Chapter 8.3 „Country
table“ on page 69.
n Reactive power characteristic curve: Diagram of the
reactive power characteristic curve (only if prescribed for the set
country)
Event messages
PV generator character-
istic curve
Information
EN
750.661 | Z03 | 2016-09-12
15
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