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BESS를 이용한 DC 마이크로그리드 내의 계통 전압조정 제어에 관한 연구
차대석(Dae-Seok Cha),오승열(Seung-Yeol Oh),고병선(Byoung-Sun Ko),조선재(Sun-Jae Jo),최정식(Jung-Sik Choi) 대한전기학회 2020 전기학회논문지 Vol.69 No.8
In this paper, we propose a voltage regulation control algorithm in DC micro-grid using BESS. The BESS is installed at the load end of the DC micro-grid, and the bidirectional DC/DC converter measures the grid voltage in real time to autonomously charge/discharge without external communication. The sag and swell range of the grid voltage is set to (±)5% of the rated voltage, and a VR control algorithm for this case is proposed. The proposed algorithm is verified through simulation and experiment.