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Sunny Island
Installation & Operating Instructions
The purpose of the power unit control is to tune output voltage during inverter opera-
tion into sinus-shape to guarantee constant supply to consumers.
In inverter operation grid voltage is controlled to 230 V / 50 Hz or 60 Hz. The system
management can define other rms voltage values depending on the degree of bat-
tery charge, grid voltage and voltage of a connected diesel generator. In current-
controlled operation there can be synchronization to an external power supply unit
(grid, diesel generator). In that operating mode the battery is e. g. charged to a de-
fined degree.
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BWRI33-12:EE
SMA Regelsysteme GmbH
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