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Mr. Aryorad Khodaparast
Babol Noshirvani University of Technology, Babol, Iran

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0 Converters
0 Inverters
0 inverter
0 Renewable and Sustainable Energy
0 switched capacitor converter

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Journal article
Published: 24 November 2020 in Electronics
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This paper aims to present a novel switched-capacitor multi-level inverter. The presented structure generates a staircase near sinusoidal AC voltage by using a single DC source and a few capacitors to step-up the input voltage. The nearest level control (NLC) strategy is used to control the operation of the converter. These switching states are designed in a way that they always ensure the self-voltage balancing of the capacitors. Low switching frequency, simple control, and inherent bipolar output are some of the advantages of the presented inverter. Compared to other existing topologies, the structure requires fewer circuit elements. Bi-directional power flow ability of the proposed topology, facilitates the operation of the circuit under wide range of load behaviors which makes it applicable in most industries. Besides, a 13-level laboratory prototype is implemented to realize and affirm the efficacy of the MATLAB Simulink model under different load conditions. The simulation and experimental results accredit the appropriate performance of the converter. Finally, a theoretical efficiency of 92.73% is reached.

ACS Style

Erfan Azimi; Aryorad Khodaparast; Mohammad Javad Rostami; Jafar Adabi; M. Ebrahim Adabi; Mohammad Rezanejad; Eduardo M. G. Rodrigues; Edris Pouresmaeil. X-Type Step-Up Multi-Level Inverter with Reduced Component Count Based on Switched-Capacitor Concept. Electronics 2020, 9, 1987 .

AMA Style

Erfan Azimi, Aryorad Khodaparast, Mohammad Javad Rostami, Jafar Adabi, M. Ebrahim Adabi, Mohammad Rezanejad, Eduardo M. G. Rodrigues, Edris Pouresmaeil. X-Type Step-Up Multi-Level Inverter with Reduced Component Count Based on Switched-Capacitor Concept. Electronics. 2020; 9 (12):1987.

Chicago/Turabian Style

Erfan Azimi; Aryorad Khodaparast; Mohammad Javad Rostami; Jafar Adabi; M. Ebrahim Adabi; Mohammad Rezanejad; Eduardo M. G. Rodrigues; Edris Pouresmaeil. 2020. "X-Type Step-Up Multi-Level Inverter with Reduced Component Count Based on Switched-Capacitor Concept." Electronics 9, no. 12: 1987.

Journal article
Published: 07 February 2019 in Energies
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A new structure of switched capacitor multilevel inverter (SCMLI) capable of voltage boosting and with self-balancing ability is introduced in this article. This advantage is the result of a step by step rise of capacitor voltages in each module, supplied by just one DC voltage source. The proposed topology generates a sinusoidal output waveform with a magnitude several times greater than the input one. Higher output staircase AC voltage is obtained by applying a nearest level control (NLC) modulation technique. The most significant features of this configuration can be mentioned as: fewer semiconductor devices, remarkably low total harmonic distortion (THD), desirable operating under high /low frequency, high efficiency, inherent bipolar voltage production, easy circuit expansion, ease of control and size reduction of the circuit thanks to utilizing neither bulky transformer nor inductor. Moreover, the proposed SCMLI is comprehensively surveyed through theoretical investigation and a comparison of its effectiveness to recent topologies. Eventually, the operating principle of a 25-level prototype of the suggested SCMLI is validated by simulation in the MATLAB SIMULINK environment and experimental results.

ACS Style

Aryorad Khodaparast; Erfan Azimi; Ali Azimi; M. Ebrahim Adabi; Jafar Adabi; Edris Pouresmaeil. A New Modular Multilevel Inverter Based on Step-Up Switched-Capacitor Modules. Energies 2019, 12, 524 .

AMA Style

Aryorad Khodaparast, Erfan Azimi, Ali Azimi, M. Ebrahim Adabi, Jafar Adabi, Edris Pouresmaeil. A New Modular Multilevel Inverter Based on Step-Up Switched-Capacitor Modules. Energies. 2019; 12 (3):524.

Chicago/Turabian Style

Aryorad Khodaparast; Erfan Azimi; Ali Azimi; M. Ebrahim Adabi; Jafar Adabi; Edris Pouresmaeil. 2019. "A New Modular Multilevel Inverter Based on Step-Up Switched-Capacitor Modules." Energies 12, no. 3: 524.