The selection of solar energy systems has always been a concern for everyone. As the heart of the solar energy system, it is very important to choose a suitable inverter.

1. Single MPPT or Multiple MPPT

If the roof orientation is the same (solar panels are in the same orientation), single MPPT can be used. If the roof orientation is inconsistent (solar panels are in different orientations or different numbers), use multiple MPPT tracking.

2. Voltage Matching or Power Matching

If the power grid is 220V single-phase power, the inverter needs to choose a single-phase grid-connected model.

If the power grid is 380V three-phase power, you can choose a single phase to hang between a single live wire and neutral wire, or you can choose a three-phase inverter with an output voltage of 380V;

If the grid voltage is 6KV or 10KV high voltage, a transformer needs to be installed between the inverter and the grid connection point. The 110V voltage also needs to use a transformer to match the grid voltage.

3. Isolated or Non-Isolated Inverter
Thin-film modules generally require negative grounding. In this case, the inverter needs to be electrically isolated to prevent the photovoltaic system from forming a loop, causing the inverter to blow up, or other system risks.