Multilevel inverters with feedback controller

Abdul Rahim, Nabilah Atikah (2021) Multilevel inverters with feedback controller. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The use of multi-level inverters has become important in recent days, particularly at high-strom sites. The benefits in the modularity, failure control, stability and waveform with a less harmonic output distortion received greater interest from the multi-level inverter in the current industry. In this paper the topology of the inverter at 3, 5 and 7 stages has been studied. The proposed topology took into account considerations such as minimizing and reducing overall harmonic distortions, increasing the waveform output efficiency and obtaining greater power. In terms of THD and switching confidence, the output efficiency of the proposed topology has been studied and compared to traditional inverters using carrier-based pulsed width modulation techniques. The proposed device has been developed with a single source and a double source inverter. For the proposed topology, the MATLAB simulation generated a sinusoidal waveform.

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