Conference Papers

Permanent URI for this collectionhttps://idr.nitk.ac.in/handle/123456789/28506

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Author: search.filters.author.Karunakaran, E.Subject: search.filters.subject.Asymmetrical CHB

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    A Single DC-source Asymmetrical Multilevel Inverter With Solid State Transformer With New Switching Approach
    (Institute of Electrical and Electronics Engineers Inc., 2024) Karunakaran, E.; Yellasiri, Y.; Nageswar Rao, B.N.; Vivek, P.S.S.; Aditya, K.
    Cascaded H-bridge (CHB) MLI have emerged as the preferred choice due to their high quality in output waveforms with low harmonic distortion. However, a key limitation in these inverters lies in the requirement of a dedicated DC source for each bridge. To overcome this challenge, there is a transition towards asymmetrical cascaded H-bridge (ACHB) MLIs, enabling the use of a variable DC source for each bridge. The variability in DC supply is achieved through a high-frequency link. This paper introduces a novel optimized switching technique for asymmetrical cascaded H-bridge (ACHB) MLIs with a single DC input incorporating a high-frequency link (HFL). The effectiveness of the suggested approach in achieving a 27-level asymmetric multilevel inverter is substantiated by experimental outcomes obtained through MATLAB/Simulink simulations. © 2024 IEEE.