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5kW급 계통연계형 단상 배터리 충전기의 구현 및 실험
안현성(Hyun-Sung An),이우종(Wujong Lee),문병호(Byung-Ho Mun),박일규(Il-Kyu Park),정선용(Seon-Yong Jung),김영록(Youngroc Kim),차한주(Hanju Cha1) 전력전자학회 2013 전력전자학회 논문지 Vol.18 No.1
This paper explains control methods of single-phase grid connected battery charger. Charging mode is control by Constant Current - Constant Voltage method and discharging mode is controlled by active-reactive power control method. Current control method is based on the synchronous reference frame(SRF) PI controller, and the second harmonic of battery current is compensated by an added L-C resonant circuit. Feasibility of the proposed control methods is verified through experiment with a prototype of 5kW single-phase grid connected battery charger.