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30
Ground kit
If PV modules of the PV system require POSITIVE or NEGATIVE to connect to
GROUND, the output of inverter should connect to grid with an isolating
transformer. The connection method is below:
Neutral of transformer should not be connected to PE.
5.5 Grid Type
5.5.1 Common grid type
For TT grid mode, the valid value of the Neutral to
PE voltage should be less than 30 V.
Based on the local GRID standards, it may select different connection types. In the
following you will find an overview of the most common type of grid structure.
Power grid modes supported by the Growatt 30000-33000 TL3.
Power grid mode supported by the Growatt 40000 TL3.