Abstract
Due to recent advancements in photovoltaic technology and cost reduction, photovoltaic systems are nowadays added to existing microgrids with originally installed backup sources. Microgrid owners expect to lower their electricity and diesel bills, improve the reliability of the backup system in blackouts, and reduce air pollution. Despite the expected gains, the unplanned and progressive changes of the original microgrid lead to structural and control complexities. In this research, the microgrids at Birzeit University Campus are used as a case study. Microgrid central control scheme and minimally invasive network reconfiguration are employed to enhance the holistic operations of the microgrid. Moreover, power-sharing in off-grid operations is illustrated. The microgrid model and operation scenarios are developed and simulated in Matlab/Simulink. Results showed that the proposed solutions lowered the operation costs, improved microgrid reliability, and minimized the use of diesel consumption and consequently air pollution.
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