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Developed Quasi Z-Source Inverters Based on Diode-Cells: Analysis and Implementation | ||
| International Journal of Industrial Electronics Control and Optimization | ||
| دوره 5، شماره 1، خرداد 2022، صفحه 51-62 اصل مقاله (1.33 M) | ||
| نوع مقاله: Research Articles | ||
| شناسه دیجیتال (DOI): 10.22111/ieco.2022.36797.1328 | ||
| نویسندگان | ||
| Sara Laali* 1؛ Ebrahim Babaei2 | ||
| 1Islamic Azad University | ||
| 2University of Tabriz | ||
| چکیده | ||
| In this paper, two new developed quasi Z-source inverters (QZSI) based on two new diode-cells are proposed. The proposed inverters are called continuous diode assisted quasi Z-source inverter (CDQAZSI) and discontinuous diode assisted quasi Z-source inverter (DDQAZSI). These inverters are thoroughly examined in three modes: two-cell QZSI, three-cell QZSI and n-cell QZSI which is called developed QZSI. Additionally, the equations of the diodes’ voltage and current, capacitors’ voltage stress, boost factor, inductor currents and dc-link current are computed. All equations are given for the proposed generalized topologies. The major advantage of these inverters is the potential of deriving desired boost factor value devoid of extra elements. Furthermore, increasing the quantity of utilized diode-cells in the proposed QZSI reduces the values of dc-link current, inductor current and diode current. Lastly, to verify the performance of the proposed topologies, practicality of the proposed QZSI is authenticated by simulation and experimental results through EMTDC/PSCAD software program and laboratory prototype. | ||
| کلیدواژه‌ها | ||
| Impedance-source inverters, continuous current؛ discontinuous current؛ boost factor؛ shoot-through state (ST) | ||
| مراجع | ||
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