3 description of the sunny central, Description of the sunny central – SMA SUNNY CENTRAL User Manual
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SMA Solar Technology AG
Description of the Sunny Central
User Manual
SC-BEN092751
9
3 Description of the Sunny Central
The Sunny Central is a solar inverter. It allows photovoltaic solar energy from solar modules to be
converted and fed into a low-voltage or medium-voltage grid.
Principle of a grid-connected solar power system with a Sunny Central
Sunny Central
The standard Sunny Central is equipped with a low-voltage transformer, and feeds into the low-
voltage grid.
Sunny Central HE
The Sunny Central HE is a high efficiency photovoltaic inverter. It does not have its own low-voltage
transformer. The Sunny Central HE requires an adapted external medium-voltage transformer via
which it can feed into the grid.
Sunny Central MV
The MV stations are medium-voltage stations. In an MV station, two Sunny Central HE devices feed
into a shared medium-voltage transformer. The Sunny Central MV feeds into the medium-voltage grid.
SMA
Solar modules
Sunny Central
Public grid