Abstract

This project is to investigate the mathematical behavior of a PEMFC connected with different multilevel inverters. Here, multicarrier PWM technique based multilevel inverters are used to enhance output voltage with low THD. Polymer electrolyte membrane fuel cell (PEMFC) is the most preferred fuel cell for the standalone systems due to their inherent virtue of being compact with quick start-up and higher efficiencies with very low emission. In this project, various multicarrier PWM techniques of multilevel inverters are analyzed which can reduce THD for a 5 level inverter. In-phase disposition, phase opposition disposition, and alternate phase opposition disposition concepts have been employed in this project. A study is carried out by developing mathematical model of PEM fuel cell with multicarrier PWM based 5 level multilevel inverters. To obtain the desired output for the load, boost converter is connected.

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