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Optimization of a New Extended Cascaded Multilevel Inverter Topology to Reduce DC Voltage Sources and Power Electronic Components | ||
| International Journal of Industrial Electronics Control and Optimization | ||
| دوره 4، شماره 4، بهمن 2021، صفحه 465-474 اصل مقاله (1.8 M) | ||
| نوع مقاله: Research Articles | ||
| شناسه دیجیتال (DOI): 10.22111/ieco.2021.36599.1322 | ||
| نویسندگان | ||
| Roya Naderi1؛ Ebrahim Babaei* 2؛ Mehran Sabahi2؛ Ali Daghigh1 | ||
| 1Department of Electrical Engineering, Shabestar Branch, Islamic Azad University, Shabestar, Iran | ||
| 2University of Tabriz | ||
| چکیده | ||
| This work proposes a new multilevel inverter consisting of basic and submultilevel units. The basic unit is made-up of four isolated dc voltage sources, two bidirectional switches and ten unidirectional switches. To increase the number of the output voltage levels, a cascaded architecture based on series connection of sub-multilevel is proposed. The proposed inverter utilizes two algorithms to determine the values of dc voltage sources. Number of IGBTs, dc voltage sources, gate driver circuits, variety of dc voltage sources and peak standing voltage on the switches are calculated and their optimization to produce maximum number of levels in output voltage is investigated. To examine advantages of the proposed inverter, the topology is compared with other topologies. The results show superiority of proposed topology over most conventional topologies, in number of circuit components. Finally, to confirm the performance of the proposed multilevel inverter, experimental results of a 25-level inverter prototype are provided. | ||
| کلیدواژهها | ||
| Multilevel inverters؛ Cascaded multilevel inverters؛ Optimization؛ Symmetric and Asymmetric multilevel inverters؛ Total standing voltage | ||
| مراجع | ||
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