Intelligent and Soft Computing Systems for Green Energy

7Power Quality Improvement for Grid-Connected Hybrid Wind-Solar Energy System Using a Three-Phase Three-Wire Grid-Interfacing Compensator

Boopathi R. and Dr. Indragandhi V.*

School of Electrical Engineering, VIT University, Vellore, India

Abstract

This paper describes a grid-interfacing power quality (PQ) compensator and grid-connected hybrid wind-solar renewable energy sources and nonlinear loads. It is connected to the electrical power system and plays a major role to providing a stable and safe energy supply to critical communities, as well as communities in remote locations. Power quality problems within the power distribution system were caused by distributed power generation sources integrated with a large distribution system, which provides many edges. The power quality issue emerges as a result of the integration of renewable energy source’s intermittent nature with sophisticated power electronics device technology. The availability of nonlinear and unbalancing loads in the distribution system also appears to provide an impact on the Power quality of energy providers in the power distribution system. The distribution system on the power system is analyzed for power quality impacts such as variation of electrical power, voltage fluctuation, Total Harmonic Distortion (THD), and Unbalance voltage levels. This proposed compensator scheme is interconnected with the battery energy system at a point of common coupling (PCC) to minimize power quality issues. Its battery energy ...