Introduction - If you have any usage issues, please Google them yourself
At this moment, the major
obstacle of wide PV system commercialization is the
high initial investment cost that stems from the strict
grid connection standards and high expectations from
the PV system [2], [3]. The grid-connected PV system
consists of two parts: PV arrays that convert irradiation
to electrical energy, and the converter that feeds the
energy into the grid.