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Chart 5.7
Compared with the traditional photovoltaic system, a storage-control device SP 2000, battery cells and a sensor for
information collection have been added into the Storage System (Notice: Sensor must be installed close to the grid
side).
5.3.2 Storage System installation with Dual-MPPT inverter
As for connection with single MPPT inverter, you can refer to 6.4.1 for installation. When installing the storage
system with dual MPPT inverter, if you just upgrade one MPPT to execute storage function, you are advised to
install the Storage Plus to the MPPT which generates greater power. Installation diagram as below:
Chart 5.8
Connect one PV string to the Storage Plus, and then to one MPPT of the inverter. While connect the other PV
string direct to the input terminal of the inverter.
If both MPPTs are to be upgraded to execute storage function, installation should be done as below:
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