Abstract
This paper deals with a generalization of the PWM “subharmonic” method to control single-phase or three-phase multilevel voltage source inverters (VSI). We derive an analytical expression of the spectral components of the output waveforms covering all the operating conditions. The analysis is based on an extension of Bennet's method. The improvements in harmonic spectrum are pointed out, and several examples are presented, which prove the validity of the multilevel modulation. © 1992 IEEE
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CITATION STYLE
Carrara, G., Gardella, S., Marchesoni, M., Salutari, R., & Sciutto, G. (1992). A New Multilevel PWM Method: A Theoretical Analysis. IEEE Transactions on Power Electronics, 7(3), 497–505. https://doi.org/10.1109/63.145137
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