A New Single Phase Single Switched-Capacitor Based Nine-Level Boost Inverter Topology With Reduced Switch Count and Voltage Stress

Siddique, Marif Daula and Mekhilef, Saad and Shah, Noraisyah Mohamed and Sathik Mohamed Ali, Jagabar and Meraj, Mohammad and Iqbal, Atif and Al-Hitmi, Mohammed A. (2019) A New Single Phase Single Switched-Capacitor Based Nine-Level Boost Inverter Topology With Reduced Switch Count and Voltage Stress. IEEE Access, 7. pp. 174178-174188. ISSN 2169-3536, DOI https://doi.org/10.1109/ACCESS.2019.2957180.

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Official URL: https://doi.org/10.1109/ACCESS.2019.2957180

Abstract

Based on the concept of switched-capacitor based multilevel inverter topology, a new structure for a boost multilevel inverter topology has been recommended in this paper. The proposed topology uses 11 unidirectional switches with a single switched capacitor unit to synthesize nine-level output voltage waveform. Apart from the twice voltage gain, self-voltage balancing of capacitor voltage without any auxiliary method along with reduced voltage stress has been the main advantages of this topology. The merits of proposed topology have been analyzed through various comparison parameters including component counts, voltage stresses, cost and efficiency with a maximum value of 98.3%, together with the integration of switched capacitors into the topology following recent development. Phase disposition pulse width modulation (PD-PWM) technique and nearest level control PWM (NLC-PWM) have been used for the control of switches. Different simulation and hardware results with different operating conditions are included in the paper to demonstrate the performance of the proposed topology. © 2013 IEEE.

Item Type: Article
Funders: QU High Impact under Grant QUHI-CENG-19/20-2 from Qatar University, and in part by the Qatar National Library, Doha, Qatar
Uncontrolled Keywords: boost inverter topology; Multilevel inverter; PWM; reduce switch count; single dc source; switched-capacitor
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 15 Jan 2020 01:33
Last Modified: 15 Jan 2020 01:33
URI: http://eprints.um.edu.my/id/eprint/23441

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