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Sunny Island
3.4.8 Connection to Generator and Utility
Such a plant option requires a particularly responsible design and
accomplishment in order to prevent accidents based on the assump-
tion that the plant is deenergized as it is disconnected from the utility!
In several operating modes energy feeding into the external utility is
possible via the Sunny Island!
The illustrated interconnection plans show the principle grid connec-
tion. In any case, the local applicable regulations have to be complied
with and the approval of the public utility company is mandatory!
The connection of the island grid with generator to an external utility is supported by
the Sunny Island from Firmware BFR 1.50 and higher. For this purpose a special
external interconnection with the voltage measurement is required, as shown in Fig.
3.14.
BWRI33-12:EE
Installation & Operating Instructions
- 37 -
SMA Regelsysteme GmbH
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