New Design of Pulse Width Modulation for the Performance Improvement of Multilevel Inverter

International Journal of Electrical and Electronics Engineering

© 2019 by SSRG - IJEEE Journal

Volume 6 Issue 8

Year of Publication : 2019

Authors : B.Kavitha, V.Padmathilagam, C.Venkatesan

10.14445/23488379/IJEEE-V6I8P103

How to Cite?

B.Kavitha, V.Padmathilagam, C.Venkatesan, "New Design of Pulse Width Modulation for the Performance Improvement of Multilevel Inverter," SSRG International Journal of Electrical and Electronics Engineering, vol. 6,  no. 8, pp. 11-15, 2019. Crossref, https://doi.org/10.14445/23488379/IJEEE-V6I8P103

Abstract:

In this paper, new pulse width modulation design is proposed for performance improvement of multilevel inverter. Switching strategy of multilevel inverter decides the performance of multilevel inverter. An effort is made to design new pulse width modulation technique. Switching strategy generated from this new design of pulse width modulation greatly improves the performance of multilevel inverter. Multilevel inverter employing this proposed method produces high output voltage and its total harmonic distortion is less. This new design is assigned for common types of modulation such as phase disposition, phase opposition disposition and alternate phase opposition disposition to examine the multilevel inverter’s performance parameters. The newly designed pulse width modulation is simulated in MATLAB/Simulink software under the above said types of modulation and the performance of multilevel inverter is evaluated. These simulation results are compared with the conventional methods.

Keywords:

Multilevel inverter, Pulse width modulation, Total harmonic distortion, switching strategy, carrier.

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