Abstract
In this paper, we proposed frequency control in islanded microgrid using a coordinated control for multiple Battery Energy Storage System (BESS) considering state-of-charge (SOC) operating. BESSs are often proposed to support the frequency control in microgrid. Because BESSs can provide instantaneous power supply, it is very helpful for the power system to solve the power demand problem in real time. However, the most important things are operating within the proper SOC range. If the operation point is not allowed within the proper SOC range, reduce to BESS life and efficiency. if the power supply demand problem is solved alone through BESS, it will be outside the proper SOC range. So, we proposed the coordinated control diesel generator and BESSs considering SOC to maintain the supply-demand in microgrid. We using the Matlab/Simulink modeling and simulation analysis were performed.
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