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Integration of the solar inverter into the
PV system
Design of the PV generator
The technical data of the selected PV
generator must be within the specifica-
tion of the solar inverter (see Technical
Data). The Sunways NT Sundim design
program for the PV generator may be
helpful. Sunways NT Sundim is available
on the enclosed CD or from our web-
site, www.sunways.de.
Please take account of the following
points before planning your system:
· Pay attention to the skyward alignment
of the modules. You will obtain maxi-
mum yield in Central Europe with a
module inclination of 30° to the hori-
zontal and a direct southerly alignment
of the generator field.
· The output of the cells decreases as the
module temperature increases. Install
your PV generator with adequate rear
ventilation.
· Check your PV generator for soiling ca.
every three years. This occurs particularly
at the lower edge of the modules and
forms a film, which even heavy rain can-
not wash away. Decreases in yield can be
prevented by cleaning with a wet cloth
or a brush.
· Avoid shading of individual modules or
solar cells in your system. This can result
in heavy losses in yield.
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