A single-phase simplified DC-AC converter using DC-link capacitors and an H-bridge

Sai Divya Sindhura Nunna, Akhilesh Ketha, Srivastav Sai Goud Padamat, K. Rambabu, Ujwala Anil Kshirsagar, Abhilash Tirupathi

Abstract


This paper introduces a simplified inverter circuit using a single dc source and an H-bridge with a least possible number of “switching devices”. This topology does not employ multiple “dc sources”, which enhances the reliability of the configuration. The topology consists of two parts, namely: “Level generation parts” as well as “Polarity generation parts”, it is the mixture of some of the switching devices, DC-link capacitor and a single DC source completes the part of level generation. The H-bridge in the proposed structure produces the polarity generation part. A detailed explanation of the modulation system and operating modes of the proposed framework are discussed. Finally, in the MATLAB/SIMULINK platform, the projected network topology is simulated and the outcomes are presented.

Keywords


DC-AC converter; Hybrid structure; Multilevel inverter

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DOI: https://doi.org/10.11591/eei.v10i6.2788

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