Simplified model of frequency power system dynamic for studying the impact of variable power into primary frequency response

Non-conventional renewable energies are becoming a significant source of generation. This paper is about the integration of Wind Power (WP) into grid, which has led to a revision of the adequacy of primary frequency control (PFC). Here, a method to identify the overall primary frequency responce on system is applied, based on an empirical model validated on Sistema Interconectado Central (SIC).