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2 Safety Instructions
2.1 Intended Use
The outdoor central inverter developed and manufactured by Sungrow converters the DC
current from the PV array into the AC current. The AC current can be fed into the MV grid
after processed by external boosting transformer. With the ingress of protection IP54, the
inverter can be installed outdoors.
The external transformer boosts the voltage output from the inverter to the grid-compatible
voltage, so that the inverter is connected to the grid. For specific transformer technical
requirements, refer to the Connection Requirements for Medium-voltage Transformers.
An example of intended usage of the inverter is shown below.
Fig. 2-1 PV grid-connected power generation system
Install the inverter as described in this section and do not install or alter the
inverter without authentication. Otherwise, safety accidents or device damage
can be caused. Sungrow shall hold no liability for the consequences.
2.2 Safety Use Description
Read the safety instructions carefully before installing the inverter. Refer to corresponding
manuals for the safety instructions on the internal devices.
Shock Hazard!
Death resulting from burns and electric shock upon touching the inverter live
components.
Do not touch the live components of the inverter or the utility grid.
Observe all safety regulations.
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