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Sunny Island
External charge of the battery
In plants with a scarce battery storage capacity and without a motorized generator,
i. e. where the only feeders are photovoltaic or wind generators, it may become nec-
essary to have the battery recharged by a mobile generator. This can be the case
when unfavorable weather conditions persist for a longer time period.
For this purpose the operator can use a special terminal box available from SMA as
an accessory (SMA order name "SI-GENCASE.01") which can be firmly installed in
the plant. The circuit diagram is shown in Fig. 16.5. The figure also shows the con-
nection of an external generator in different operating modes and includes instruc-
tions for operation.
According to the current configuration, it may be necessary to change several pa-
rameters, so that the following settings apply:
Parameter
401_Phase Mode
602_GenSet Type
603_GenSet Interf
702_Man K2
Table 16.1: Setting for the external charge of the battery
In addition, the automatic generator control of the Sunny Island must not be deacti-
vated (menu „GENSET" (2-2), see chapter 7.2).
BWRI33-12:EE
Value
1Phs_Single (see chapter 8.4)
Grid forming
Typ 1
AUTO
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Installation and Operating Instructions
SMA Regelsysteme GmbH
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