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July 1, 1992IEEE Transactions on Power Electronics

A new multilevel PWM method: a theoretical analysis

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Authors

GCGiuseppe Raffaello CarraraSGS. GardellaMMMario Marchesoni

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Overview

Theoretical analysis of a novel PWM method enhances output waveforms in multilevel inverters, suggesting improved performance.

Key Points

  • To analyze a new pulsewidth modulation method for controlling multilevel voltage source inverters and its effects on output waveforms.
  • Generalization of the PWM subharmonic method for single or three-phase VSIs
  • Analytical derivation of spectral components of output waveforms
  • Utilization of extended Bennet's method for analysis
  • Demonstrated improvements in the harmonic spectrum of output waveforms
  • Analytical expressions derived for various operating conditions
  • Validation through several examples showing effective multilevel modulation

Cite This Study

Carrara et al. (1992) studied this question.

synapsesocial.com/papers/6a08e70e27ceb0c2a2d616e0https://doi.org/10.1109/63.145137
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