Analysis and Experimentation of a Three Phase Asymmetric Cascaded Multilevel Inverter for Electric Vehicles

Abstract:

Multilevel inverters have been gaining immense popularity in high power applications such as Electric vehicles, Flexible AC Transmission Systems etc. This paper focuses on an asymmetric cascaded multilevel inverter employing the variable frequency carrier phase shifted PWM technique. The major advantage of this strategy is that it aids in balancing the switch utilization. The proposed strategy was found to have lower THD and switching losses when compared to the conventional strategies. The simulation was performed using MATLAB/Simulink and the results were verified experimentally.

• Periodical: Advanced Materials Research (Volume 768)
• Pages: 231-237
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.768.231
• Online since: September 2013
• Authors: R. Seyezhai, K. Radha Sree, K. Sivapathi, V. Vardhaman
• Keywords: Asymmetric Multilevel Inverter, Switching Loss, Total Harmonic Distortion (THD), Variable Frequency Phase Shift PWM (VFPSPWM)

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