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Fuzzy Logic을 이용한 마이크로그리드의 독립운전 제어
이홍석(Heung-Seok Lee),박준호(June ho Park),구본길(Bon-Gil Koo),김종율(Jong-Yul Kim) 대한전기학회 2014 전기학회논문지 Vol.63 No.6
This paper presents the design of Fuzzy PI controller that is used at BESS(Battery Energy Storage System) charging and discharging process for islanded operation in microgrid. Most of the PI controllers have fixed PI gains, but real-time updated gains are applied to PI controller using Fuzzy logic in this paper. The performances of suggested Fuzzy PI controller are simulated by PSCAD/EMTDC. As a result, output characteristics of ESS applied real-time updated gains to PI controller are faster than those of using fixed gains.