Modern power system frequency response evaluation with virtual power plant penetration

Abstract

New power systems based on VPP will be expanded in the future and analysis of the frequency behavior of these systems compared to current systems in the field of disruptions will be one of the most important issues of the system operators. In this paper, the equations of the frequency response model of conventional power system are expanded by considering the VPPchr(chr(chr('39')39chr('39'))39chr(chr('39')39chr('39')))s and their effective components, and a new model of the frequency response of large power systems based on VPPchr(chr(chr('39')39chr('39'))39chr(chr('39')39chr('39')))s is presented. To analyze the frequency behavior of the network, different scenarios are studied on a sample network. In order to cover the possible situations of the future network, several VPP models with different specifications have been considered from the perspective of frequency responsiveness. Simulation results indicate the necessity of using frequency responsive devices in future power networks based on VPP.