A twice boost nine-level switched-capacitor multilevel (2B-9L-SCMLI) inverter with self-voltage balancing capability

Kumari, Manita and Siddique, Marif Daula and Sarwar, Adil and Mekhilef, Saad and Tariq, Mohd (2021) A twice boost nine-level switched-capacitor multilevel (2B-9L-SCMLI) inverter with self-voltage balancing capability. International Journal of Circuit Theory and Applications, 49 (8). pp. 2578-2592. ISSN 0098-9886, DOI https://doi.org/10.1002/cta.3014.

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The research on the multilevel inverter structures has been focused on reducing the number of voltage sources and the components while obtaining voltage boosting in the output voltage. A lesser number of components would ensure lesser cost while higher boosting ability increases its application potential. Based on these features, the paper presents a new topology for switched-capacitor multi-level inverter (SCMLI), which can produce an output voltage waveform of nine levels with a voltage boosting of twice the input voltage employing a single dc voltage source, three capacitors, and 11 power switches. The operation of switches, capacitors with a self-charge balancing modulation scheme, and a voltage source for producing nine-level boosted output voltage make this topology useful, and it is capable of supplying different types of load with efficiency above 97%. The simulation results and the hardware results are provided to verify the satisfactory operation of the proposed topology.

Item Type: Article
Uncontrolled Keywords: Boost inverter topology; Multi-; Level inverter; Self; Voltage balancing; Switched capacitor; Total stanging voltage (TSV)
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 23 Feb 2022 08:31
Last Modified: 23 Feb 2022 08:31
URI: http://eprints.um.edu.my/id/eprint/26830

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