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3. Functionality Supporting EEG2012 (Ger-
many)
3. Functionality Supporting EEG2012 (Germany)
3.1. Introduction
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For installation in Germany, for inverters of any rating, follow this instruction carefully.
This inverter complies with the requirements of Erneuerbare-Energien-Gesetz (EEG2012). The
EEG2012 redefines how PV installations are designed in terms of output power and grid connec-
tion:
•
•
3.2. Configuration of Power Level Adjustment
Power level adjustment (PLA) is an existing feature in the inverter which is now used for smaller
installations. For further information about PLA, refer to the Reference Manual and the Web
Server User Manual.
3.3. Configuration of 70% Rule
The EEG2012 states that the power at the point of common coupling (PCC) must be limited to
transfer of max. 70% of installed nominal PV module power [kWp]. This limit is referred to as
"70% of installed PV power". Thus it is possible to take self-consumed power into account. It is
important that the self-consumption can be guaranteed. This means that the real value of self-
consumption must under no circumstances fall below the value used in the calculation.
Limit the power at PCC to 70% of the installed nominal PV module power [kWp]
Note:
When an incorrect value of "70% of installed PV power" is entered, serious consequences
can result. In the event that the 70% limit is exceeded, the DNO can demand disconnection
of the installation from grid.
3.3.1. Example of Calculation
This is an example of how to calculate "Absolute value", used in the section
Limit for the Output Power .
Data:
•
•
•
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The requirement for remote-controlled power reduction (known as Power Level Adjust-
ment) is extended from installations exceeding 100 kW capacity only, to apply to all
installations.
Alternatively for installations of capacity up to and including 30kWp, a 70% rule can be
applied.
12 kWp installed power
Inverter rating 10 kW
1 kW guaranteed self-consumption
L00410591-04_4z
How to Configure a
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