Performance Test of Coordinated Control of SMES and BESS in Microgrid using the Hardware-in-the-Loop Simulation System

Roles of energy storage systems (ESSs) in microgrid control are very important because a microgrid has uncontrollable energy sources such as the wind turbine and power trade with the utility grid. Especially, the ESSs have different characteristics – power density and energy density. The characteristics show a trade-off. For this reason, the coordinated control among ESSs considering their characteristics is required. In this paper, a coordinated control of SMES and BESS is tested with high reliability using the hardware-in-the-loop simulation (HILS) system in two grid-connected and islanded modes.

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