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A New Three-Phase, Five-Level Inverter with Output Voltage Boost using a novel sinusoidal Pulse Width Modulation

Abstract

Multilevel inverters (MLIs) are increasingly being recognized as one of the most practical solutions for medium and high-power applications, as they can provide improved voltage waveforms and better harmonic performance. In this study, the performance of three distinct kinds of inverters, two-level, three-level, and five-level is compared. The proposed five-level inverter features a new topology utilizing an H-bridge fed by voltage levels through its DC bus, resulting in fewer power switches, elimination of DC source imbalance issues, and simplification of control algorithms. The inverter's performance is improved using the sinusoidal PWM control method. Results from simulations are processed in MATLAB/Simulink environment.

Research topics

  • Multilevel Inverters and Converters
  • Silicon Carbide Semiconductor Technologies
  • HVDC Systems and Fault Protection

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DOI: 10.1109/iraset57153.2023.10153048

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