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A Diamond Shaped Multilevel Inverter with Dual Mode of Operation

Meraj, S.T. and Hasan, M.K. and Islam, J. and El-Ebiary, Y.A.B. and Nebhen, J. and Hossain, M.M. and Alam, M.K. and Vo, N. (2021) A Diamond Shaped Multilevel Inverter with Dual Mode of Operation. IEEE Access, 9 . pp. 59873-59887.

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Official URL: https://www.scopus.com/inward/record.uri?eid=2-s2....

Abstract

This study presents a novel multilevel inverter structure that can operate in both switched capacitor and asymmetric DC source modes. In the first mode, it can produce seven-level output voltage employing two switched capacitors and one single DC supply. The five-level output voltage is produced while operating the second mode. The voltage ratio between the input and output voltage for the capacitor mode is 1:3 (triple voltage gain). During the first mode, the capacitor of the inverter is self -balanced whereas the inverter can produce higher voltage output in the DC source mode. The proposed inverter reduces the total standing voltage in both modes of operations as it can generate the output voltage without requiring any additional H-bridge circuit. The feasibility and predominate features of the proposed inverter have been established by comparing with existing topologies in terms of power components count. Results obtained from this study are validated using simulation employing sinusoidal pulse width modulation (SPWM). A hardware prototype has also been developed for further validation. © 2013 IEEE.

Item Type:Article
Impact Factor:cited By 2
Uncontrolled Keywords:Bridge circuits; Voltage control, H bridge circuits; Hardware prototype; Input and outputs; Modes of operation; Multilevel inverter; Power components; Sinusoidal pulse width modulation; Switched capacitor, Electric inverters
ID Code:23938
Deposited By: Ms Sharifah Fahimah Saiyed Yeop
Deposited On:19 Aug 2021 13:23
Last Modified:19 Aug 2021 13:23

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