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박성우(S.W.Park),전중함(J.H.Chun),김상돈(S.D.Kim),김은수(E.S.Kim),이현우(H.W.Lee) 전력전자학회 2000 전력전자학술대회 논문집 Vol.2000 No.11
Single-phase multi-level AC-DC converter is proposed that is composed of diode bridge and switch. The number of the supply current level is depending on the individual current level of the converter. A converter circuit, the number of the level is equal to 2^M+1 -1<br/> The proposed circuit has converter with 31 current levels. When the number of current level is increased, smoother sinusoidal waveform can be obtained directly and it is possible to control the supply current almost continuously from zero to maximum without step changes of generating high voltage as pulse width modulation technology. Also, filter circuit is iscity. It is illustrated technique are confirmed the validity and effectiveness through the simulation & experiments