Total Harmonic Distortion Analysis of a Seven-Level Inverter for Fuel Cell Applications †

A. S. Veerendra; Punya Sekhar Chavali; R. Shivarudraswamy; C. H. Nagaraja Kumari; Varaprasad Janamala

doi:10.3390/engproc2023059130

Total Harmonic Distortion Analysis of a Seven-Level Inverter for Fuel Cell Applications †

A. S. Veerendra^*, Punya Sekhar Chavali, R. Shivarudraswamy, C. H. Nagaraja Kumari, Varaprasad Janamala

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

This paper focuses on the total harmonic distortion (THD) analysis of a multi-level inverter (MLI) for fuel cell applications. Furthermore, a 50 kW 625 V proton exchange membrane fuel cell (PEMFC) stack was employed for this analysis. The various modes of operation of the suggested inverter are presented accordingly, along with its switching combinations. Also, a sinusoidal pulse-width modulation (SPWM) controller was employed to drive the power electronic switches in the suggested topology. The suggested inverter can produce sinusoidal voltage with only fundamental frequency switching. Moreover, the number of components and voltage stress of the suggested topology are compared with the conventional topologies presented. In addition, the THD was analyzed with and without the LC filter. Finally, the validity of the system was verified through MATLAB/Simulink software R2022b.

Original language	English
Article number	130
Journal	Engineering Proceedings
Volume	59
Issue number	1
DOIs	https://doi.org/10.3390/engproc2023059130
Publication status	Published - 2023

All Science Journal Classification (ASJC) codes

Biomedical Engineering
Mechanical Engineering
Industrial and Manufacturing Engineering
Electrical and Electronic Engineering

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title = "Total Harmonic Distortion Analysis of a Seven-Level Inverter for Fuel Cell Applications †",

abstract = "This paper focuses on the total harmonic distortion (THD) analysis of a multi-level inverter (MLI) for fuel cell applications. Furthermore, a 50 kW 625 V proton exchange membrane fuel cell (PEMFC) stack was employed for this analysis. The various modes of operation of the suggested inverter are presented accordingly, along with its switching combinations. Also, a sinusoidal pulse-width modulation (SPWM) controller was employed to drive the power electronic switches in the suggested topology. The suggested inverter can produce sinusoidal voltage with only fundamental frequency switching. Moreover, the number of components and voltage stress of the suggested topology are compared with the conventional topologies presented. In addition, the THD was analyzed with and without the LC filter. Finally, the validity of the system was verified through MATLAB/Simulink software R2022b.",

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AU - Nagaraja Kumari, C. H.

AU - Janamala, Varaprasad

PY - 2023

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AB - This paper focuses on the total harmonic distortion (THD) analysis of a multi-level inverter (MLI) for fuel cell applications. Furthermore, a 50 kW 625 V proton exchange membrane fuel cell (PEMFC) stack was employed for this analysis. The various modes of operation of the suggested inverter are presented accordingly, along with its switching combinations. Also, a sinusoidal pulse-width modulation (SPWM) controller was employed to drive the power electronic switches in the suggested topology. The suggested inverter can produce sinusoidal voltage with only fundamental frequency switching. Moreover, the number of components and voltage stress of the suggested topology are compared with the conventional topologies presented. In addition, the THD was analyzed with and without the LC filter. Finally, the validity of the system was verified through MATLAB/Simulink software R2022b.

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Total Harmonic Distortion Analysis of a Seven-Level Inverter for Fuel Cell Applications †

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