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불평형 전원시스템을 고려한 3상 능동전력 필터에 관한 연구
이승요(S.Y.Lee),조준석(J.S.Cho),최규하(G.H.Choe),목형수(H.S.Mok),박영길(Y.K.Park),신우석(W.S.Shin) 전력전자학회 1997 전력전자학술대회 논문집 Vol.1997 No.-
An important assumption for the active power filter design using instantaneous power theory and the d-q transformation method in a 3-phase power system is based on balanced 3-phase system. However, under pratical conditions, the 3-phase power system can not be continuously balanced due to unbalanced loading. In this paper, a method to control the 3-phase active power filer using instantaneous power theory and the d-q transformation under unbalanced power system is presented and the theoretical results are verified by simulated results.