Coordinated Control of Hybrid Renewable Energy Systems for Grid Stability and Reliability

https://doi.org/10.5281/zenodo.17555787

Abstract

The integration of hybrid renewable energy systems (HRES) has become crucial for achieving grid stability and reliability in modern power networks. This study examined the coordinated control of solar, wind, and energy storage systems to mitigate the intermittency and variability challenges inherent in renewable generation. A hierarchical control framework was employed, incorporating primary, secondary, and tertiary levels of control to optimize frequency regulation, voltage stability, and power quality. Advanced control methods, including model predictive control (MPC) and adaptive droop control, were utilized to synchronize generation with fluctuating load demands. Simulation results indicated that coordinated control significantly improved frequency response, reduced system losses, and enhanced dynamic stability during grid disturbances. The integration of battery energy storage further ensured continuous and reliable power delivery, minimizing disruptions caused by renewable variability. The findings underscored that coordinated and intelligent control strategies are essential to enhance performance, efficiency, and sustainability in hybrid renewable energy operations. Overall, this study contributed valuable insights into designing robust control mechanisms that support the transition toward cleaner and more stable energy systems, aligning with global goals for renewable integration and smart grid development.