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출력전압 레벨 수와 전류정격을 고려한 PWM 다중레벨 인버터
박노식(N-S Park),서종준(J-J Seo),박성준(S-J Park),김광헌(K-H Kim),조수억(S.E. Cho),김철우(C-U Kim) 전력전자학회 2005 전력전자학술대회 논문집 Vol.- No.-
In this paper, we proposed the novel hybrid multi-level inverter using combination of the output voltage of transformers to reduce the THD(Total Harmonic Distortion) and improve the waveform of output voltage. The proposed multi-level inverter used the output of transformer which is 1times, 2times, 4times of input of the transformers. So we increased the output voltage from the reduce the number of switching component and transformer. Also, we tested the proposed prototype 15-level inverter to clarify the proposed electric circuit and reasonableness of control signal for the proposed multi -level PWM inverter.