What is a photovoltaic inverter?

A photovoltaic inverter (photovoltaic “inverter / converter”) is an electrical device that converts a direct DC current into an alternating AC current.

Very often the term used is the one in English DC (direct current - direct current) and AC (alternating current - alternating current).

In order to power the utilities through a photovoltaic system we must interface them through an inverter which is positioned between the photovoltaic modules and the electricity grid. We can consider it as the electronic control unit of a car that manages the engine, its operation, optimizing performance.

The types of inverters are different:

  • single-phase version typically for civil use (for systems normally powered at 220V, 50Hz)
  • three-phase version for industrial systems (systems powered at 380V, 50Hz).

Each inverter is chosen in relation to the type of photovoltaic system, connected to the distribution network (grid-connected) or in the off-grid version for the construction of stand-alone systems. Mainly the grid-connected inverter has stringent technical requirements relating to the quality of the energy fed into the grid, however, the off-grid version must satisfy the continuous work with the storage system, having to power different electrical loads without the aid of the grid.


This website uses technical cookies to ensure you get the best experience on our website.