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Title: A Novel Single Phase Modified Quasi-Z-Source Inverter Circuit Design and Analysis
Authors: Endiz, Mustafa Sacid
Akkaya, Ramazan
Keywords: Harmonic reduction
Voltage boosting switch
Issue Date: 2020
Publisher: Institute of Electrical and Electronics Engineers Inc.
Abstract: This study presents a novel single phase modified quasi-Z-source inverter (qZSI) with high boost voltage conversion ability by using an additional switching device across the impedance network. Compared with traditional qZSI, the boost ability of the presented circuit is increased. Furthermore, the total harmonic distortion (THD) for the voltage and current at the output is reduced because of a modified unipolar pulse width modulation (PWM) technique adapted for the qZSI. Therefore, the overall efficiency of the circuit is improved. The operation principle of the single phase modified qZSI is analysed using theoretical calculations. Simulations are performed to prove the effectiveness of the high boost voltage conversion ability for different modulation indexes using Matlab/Simulink. The applied modulation technique is compared with the traditional PWM control techniques to show reduced THD value which is very close to the IEEE distortion limit. A laboratory prototype is developed to validate the proposed theory. © 2020 IEEE.
Description: 24th International Conference Electronics, ELECTRONICS 2020 -- 15 June 2020 through 17 June 2020 -- -- 161904
ISBN: 9781728158686
Appears in Collections:Mühendislik ve Doğa Bilimleri Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections

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