Solar string inverters are centralized inverters used in photovoltaic (PV) systems to convert direct current (DC) electricity generated by a series (“string”) of solar panels into alternating current (AC) for use in homes, businesses, or the grid. They are widely used in residential and commercial solar installations, where multiple panels are connected in series to form a string.
String inverters offer cost-effective and reliable performance, but the energy output of the string can be affected by shading or panel mismatch, as the lowest-performing panel limits the performance of the entire string. Many modern string inverters include monitoring, safety features, and MPPT (Maximum Power Point Tracking) to optimize energy conversion.