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3상 불평형 전압 시스템에서의 전압원 active power filter
김갑동(K.D.Kim),이완수(Y.S.Lee),김민태(M.T.Kim),오성업(S.U.Oh),주형준(H.J.Ju),이진(J.Lee),성세진(S.J.Seong) 전력전자학회 1999 전력전자학술대회 논문집 Vol.1999 No.7
An active power filter is used to eliminate harmonic currents. This paper applied the extension pq theory to harmonic currents compensation. An active power filter based on extension pq theory is more effective than pq theory in 3-phase unsymmetrical voltage system. When extension pq theory is used, the result of simulation present source current is not distorted. Pulse-width modulation method is CRPWM(Current-Regulated PWM).
지능 제어기를 이용한 SRM 센서리스 속도제어에 관한 연구
최재동(J D. Char),김민태(M. T. Kim),오성업(S U. Oh),황영성(Y. S. Whang),김영록(Y. R Kim),성세진(S. J. Seang) 전력전자학회 1999 전력전자학술대회 논문집 Vol.1999 No.7
This paper describes a new method for indirect sensing of the rotor position in switched reluctance motors using fuzzy logic algorithm Through a novel fuzzy algorithm, the complete SRM magnetizing characterization IS first constructed, and then used to estimate the rotor position. And also, the optimized phase is selected by phase selector. To demonstrate the promise of this approach, the proposed rotor position estimation algorithm is simulated for variable speed range.