Radial Unified Grid versus Microgrids study case: Distressed Territories

Abstract

The increasing need for efficient, reliable, and sustainable electricity highlights the limitations of the traditional Unified Power System (UFPS), including its lack of flexibility and resilience, particularly when the system is subjected to outrageous operating conditions such as earthquakes. Meanwhile, Microgrids (MGs) are capable of operating autonomously or in conjunction with the main grid, offering significant advantages such as improved reliability and independence, integration of renewable energy sources, and enhanced energy management. This study provides a comprehensive comparison between radial UFPS and MGs, particularly under risk scenarios involving partial power/load loss. The study evaluates the strengths and limitations of both configurations. The results showed that UFPS offers better voltage/power stability than MG under normal operating conditions. However, MGs provide greater assurance in meeting load demands and demonstrate superior flexibility in adapting to diverse operational conditions compared to UFPS.