DOI: 10.1002/cta.3775 ISSN:

Compact three‐phase multilevel inverter with boosting capability for low‐power three‐phase induction motor drive

Ramin Kheyri, Hossein Gholizadeh Narm, Ebrahim Babaei
  • Applied Mathematics
  • Electrical and Electronic Engineering
  • Computer Science Applications
  • Electronic, Optical and Magnetic Materials
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Summary

This paper proposes a step‐up three‐phase multilevel inverter based on switched capacitor (SC) cells. The prominent features of this inverter are the reduction of the number of components (such as switches, capacitors, and sources) and the ability to boost the voltage. Also, the self‐voltage balancing of the capacitors of this inverter is one of the other features of this inverter. The level‐shifted pulse width modulation (LS‐PWM) method has been used for switching, making the output currents' total harmonic distortion (THD) low. The article has presented the experimental results of this inverter with a three‐phase induction motor with a power of 1.1 kW as a load.

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