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Sunny Island
Required parameter settings
The installer has to set the parameters listed in Table 13.3. The values are of course
only examples. The generator is defined to be grid forming and is assumed to be of
type 2. A current and voltage measurement for the generator should be installed.
See chapter 3.4.5 for details.
Parameter
501_Cbatnom
502_Bat Type
503_Ubar nom
506_acid density
401_Phase Mode
402_Uconv nom
403_Fconv nom
410_lext nom
602_GenSET typ
603_GenSet inter
604_GenSet Ctrl
609_GenLoad min
701_Man K1
702_Man K2
703_Man K3
705_Man K5
706_Man K6
801_Sunny Boys
Table 13.3: 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
BWRI33-12:EE
Configuration
Description
350 Ah
Nominal capacity of the battery (as stated by manufacturer)
Lead acid
Depending on type (gel, fleece or liquid)
60.0 V
Nominal battery voltage
1.28 kg/l
Nominal acid density of electrolyte
1Phs_Single
Single-phase operation
230.0 V
Nominal voltage AC (RUN_U)
50.00 Hz
Nominal frequency AC (RUN_U)
10 A
Configure generator nominal current
Grid forming
Grid-forming
Typ 2
Relays K1+K5
I_Diesel
Control of generator current (current transformer required)
10
Minimum generator capacity utilization in %, if value falls be-
low limit the generator is switched off (taking into account
the minimum run-time "613_tGen minrun").
Auto
Relay 1 is controlled by Sunny Island
Auto
Relay K2 is controlled by Sunny Island (Connection of gen-
erator to island grid)
Auto
Relay K3 is controlled by Sunny Island (Connection of ex-
ternal utility to island grid)
Auto
Relay 5 is controlled by Sunny Island
Auto
Relay K6 is controlled by Sunny Island (Warming up / Start-
ing the Diesel generator)
Installed
Installed
- 127 -
Installation & Operating Instructions
SMA Regelsysteme GmbH
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