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Sunny Island
as well as the Sunny Island with a battery storage that forms the grid. Normally the
voltage and frequency of the island grid are specified by the Sunny Island. If addi-
tional energy is necessary, the Sunny Island activates the generator functioning as
grid-forming element.
Necessary configuration
The installer has to set the parameters of the Sunny Island listed in Table 13.1. The
values are of course only examples. The generator operates in parallel to the grid
and is assumed to be "Type 1".
Parameter
Configuration
501_Cbatnom
350 Ah
502_Bat Type
Lead acid
503_Ubat nom
60.0 V
506_acid density
1.28 kg/l
401_Phase Mode
1Phs_Single
402_Uconv nom
230.0 V
403_Fconv nom
50.00 Hz
602_GenSET typ
Grid tied
603_GenSet inter
Typ 1
701_Man K1
Auto
702_Man K2
Auto
801_Sunny Boys
Installed
Table 13.1: Summary of parameters to be configured
Even in island grids with feeders independent of weather conditions we
recommend to wire up the consumers in a way so as to be able to switch
them off with the Sunny Island (via one of the relays K1 to K8). Espe-
cially in case of a failure (generator defective etc.) the battery can thus
be protected against harmful conditions and emergency operation can
be made as efficient as possible.
BWRI33-12:EE
Installation & Operating Instructions
Description
Nominal capacity of the battery (as stated by manufacturer)
Depending on type (gel, fleece or liquid)
Battery nominal voltage
Nominal acid density of electrolyte
Single-phase operation
Nominal voltage AC (RUN_U)
Nominal frequency AC (RUN_U)
Grid-tied
Autostart relay K1
Relay 1 is controlled by Sunny Island
Relay 1 is controlled by Sunny Island (connects the generator
to the island grid)
Installed
- 122 -
SMA Regelsysteme GmbH
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