Coordinated Frequency Control Strategy of Diesel Generator and BESS during Islanded Microgrid and Performance Test using Hardware-in-the-Loop Simulation System

Frequency control is an important problem in the islanded microgrid because an imbalance between power supply and power demand is occurred. The battery energy storage system (BESS) is an effective system for controlling islanded microgrid frequency because of its charge and discharge actions. In addition, a diesel generator can be control the frequency by controlling its output. Recently, the hardware-in-the-loop simulation (HILS) system is used to test controllers, protective devices, and so on. In this paper, a coordinated frequency control scheme of a diesel generator and a BESS during the islanded mode of a microgrid is proposed in the economic viewpoint and is tested on the HILS environment.

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