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Space vector pulse width modulation based two level inverter

Author Affiliations

  • 1Dept. of Electrical Engineering, Bhilai Institute of Technology, Durg, C.G, India
  • 2Dept. of Electrical Engineering, Bhilai Institute of Technology, Durg, C.G, India

Res. J. Engineering Sci., Volume 6, Issue (8), Pages 8-12, September,26 (2017)

Abstract

With the rapid development of semiconductor devices, a variety of pulse width modulation (PWM) methods have been developed in order to provide gating signals to the inverter. Popularly used methods for various industrial applications are sinusoidal PWM and space vector PWM. In contrast to SPWM, SVPWM is more advantageous because of its simple implementation and better utilization of DC bus voltage. This paper presents the implementation of SVPWM from sinusoidal PWM by addition of common mode component to sinusoidal phase voltage. The sampled value of sinusoidal phase voltage produces the time equivalent of phase voltage signal, which when passed through PWM generator drives the inverter. The simulation results shows feasibility of this technique for various values of modulation index.

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