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유도전동기 벡터제어 시스템의 EMI저감을 위한 새로운 PWM기법
배우리(W.R Bae),이원철(W.C Lee),유재성(J.S Yu),김이훈(L.H Kim),함년근(N.K Hahm),원충연(C.Y Won) 전력전자학회 2005 전력전자학술대회 논문집 Vol.- No.-
This paper describes the application of newly developed conducted EMI reduction technique of SVPWM in induction motor drive. The newly developed common mode voltage reduction SVPWM technique doesn't any zero-voltage vector states for inverter control. Hence it can restrict the common mode voltage better than conventional PWM technique. The proposed technique is verified through simulation and experimental results. And by applying vector-controled system, the proposed technique have superior ability of reducing EMI and equal control performance comparing conventional SVPWM technique
PWM 스위칭 기법에 의한 유도전동기 구동시스템의 전도노이즈 저감
김홍주(H.J. Kim),이원철(W.C. Lee),김이훈(L.H. Kim),원충연(C.Y. Won),최세완(S.Y. Choi),김규식(G.S. Kim),정동효(D.H. Jeong) 전력전자학회 2004 전력전자학술대회 논문집 Vol.- No.-
Conventional SVPWM method has null switching vectors. Null switching vectors cause high common-mode voltage in induction motor drive system. The newly developed common mode voltage reduction PWM technique don't use zero switching state for inverter control. It is realized by changing software without additional hardware. Simulation and experimental results show that proposed method are reduced common mode voltage more than conventional method.