What are the steps of using off grid inverter?

Photovoltaic off grid inverters can convert the variable DC voltage generated by photovoltaic (PV) solar panels into mains frequency alternating current (AC), which can be fed back to commercial power transmission systems or used by off-grid power grids. Photovoltaic off grid inverter is one of the important system balance (BOS) in photovoltaic array system, and it can be used with general AC power supply equipment. Solar off grid inverters have special functions that cooperate with photovoltaic arrays, such as maximum power point tracking and islanding protection.