Performance evaluation of hybrid multilevel inverter with a high-frequency switching technique

This proposed work deals with the implementation of a single-phase topology with using hybrid for multilevel inverters. It is observed that the proposed structure improves the performance of the hybrid multilevel inverter with high-frequency switches for positive levels and reverse voltage with nega...

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Bibliographic Details
Published in:Journal of engineering and applied science (Online) 2023-12, Vol.70 (1), p.101-16, Article 101
Main Authors: Pragathi, B., Kumar, Sonu, Kumari, P Rajani, Singh, Arvind R.
Format: Article
Language:English
Subjects:
Cascaded hybrid multilevel inverter
Civil Engineering
Diodes
Electric potential
Electrical Engineering
Engineering
Engineering Mathematics
Industrial Chemistry/Chemical Engineering
Inverter
Inverters
Mechanical Engineering
Multilevel
Performance enhancement
Performance evaluation
Pulse width modulation
Renewable resources
Semiconductors
Switches
THD
Topology
Transistors
Voltage
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Summary:This proposed work deals with the implementation of a single-phase topology with using hybrid for multilevel inverters. It is observed that the proposed structure improves the performance of the hybrid multilevel inverter with high-frequency switches for positive levels and reverse voltage with negative levels. This paper studies a novel construction for an asymmetrical hybrid single-phase multilevel inverter. This paper also studies the operation of multi level inverter under depreciating sources condition due to fluctuation in input. The PWM method, i.e. APOD and CO, has been incorporated into the simulation of single-phase 7-level, 9-level, and the 11-level hybrid inverter. These two methods are compared to one another and to standard methods in terms of THD for different values of the modulation index, and they are found to be superior. Overall loss of 50% of the THD is almost equal to rated output voltage, it is observed in cascaded multilevel inverters. The working and performance of the proposed model are simulated in MATLAB Simulink software and the results are discussed in detail.
ISSN:1110-1903
2536-9512
DOI:10.1186/s44147-023-00267-9