Optimization of a New Extended Cascaded Multilevel Inverter Topology to Reduce DC Voltage Sources and Power Electronic Components

سال انتشار: 1400
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 147

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شناسه ملی سند علمی:

JR_IECO-4-4_009

تاریخ نمایه سازی: 20 تیر 1401

چکیده مقاله:

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 ۲۵-level inverter prototype are provided.

کلیدواژه ها:

Multilevel inverters ، Cascaded multilevel inverters ، Optimization ، Symmetric and Asymmetric multilevel inverters ، Total standing voltage

نویسندگان

Roya Naderi

Department of Electrical Engineering, Shabestar Branch, Islamic Azad University, Shabestar, Iran

Ebrahim Babaei

University of Tabriz

Mehran Sabahi

University of Tabriz

Ali Daghigh

Department of Electrical Engineering, Shabestar Branch, Islamic Azad University, Shabestar, Iran

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