Dynamic study of a photovoltaic power plant interconnected with the grid

Abstract

The drop of prices of photovoltaic technology has attracted investors to develop medium and large scale photovoltaic power plants (PVPPs). Because of the extent of land occupied by these PVPPs, the solar radiation along the plant is different. This situation causes several problems into the grid. Thus, the objective of this paper is to analyse the effect of a 6 MW PVPP at the point of common coupling considering different ambient conditions for each array. Three study cases are analysed considering temperatures of 10 °C, 30 °C and 40 ° C. In all the cases, the solar radiation is different in each array. The simulation and the results are conducted to understand the impact of ambient conditions in voltage, frequency and active power at the point of common coupling in a weak grid.