This paper develops a model of harmonics elimination in the output waveforms of the multilevel converters. In particular (-level cascaded II -bridges (CHB) inverters with l = s 2 + 1 1, s = 2(n), number of both de sources and switching angles, are considered and an recursive model is proposed to determine the unknown switching angles as a function of modulation index. The procedure allows to eliminate is harmonics, arbitrarily chosen, and their multiple from output voltage waveform, imposing the amplitude of the fundamental harmonic.
Recursive Method for Harmonic Elimination Problem in Multilevel Inverters
Buccella C.;Cimoroni M. G.;Cecati C.;Schettino G.
2024-01-01
Abstract
This paper develops a model of harmonics elimination in the output waveforms of the multilevel converters. In particular (-level cascaded II -bridges (CHB) inverters with l = s 2 + 1 1, s = 2(n), number of both de sources and switching angles, are considered and an recursive model is proposed to determine the unknown switching angles as a function of modulation index. The procedure allows to eliminate is harmonics, arbitrarily chosen, and their multiple from output voltage waveform, imposing the amplitude of the fundamental harmonic.File in questo prodotto:
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