Investigation of Power Quality in a System Based on Renewable Energy Sources

Abstract

In the power systems, non-linear electrical loads connected to the grid in practice pose significant power quality problems on power electronics circuit elements. Due to the increasing energy demand and the increase in the production rate of renewable energy in installed power, these effects are becoming more and more serious day by day. With this in-depth study of energy quality, studies in general emphasized that monitoring energy quality in theory and practice is of great importance. This study aims to shed light on the investments and technological developments that can be made for the development of the network infrastructure by providing an overview of these dynamic new situations changes in classical and smart networks, stabilizers, relay design, control technologies, power quality analysis and monitoring. It also focuses on topologies and control methods for energy quality regulators in power systems, especially applicable control technologies in distributed power plants according to the new features of power quality. Finally, the trends and expectations of power quality monitoring technology, which are important for reliable and efficient operation in smart grids, are presented.

Keywords

• power quality
• distributed energy
• renewable energy sources
• microgrid
• protection relay