Abstract
In medium and high-power applications, multilevel inverters (MLIs) are becoming popular due to their low harmonic distortion and reduced voltage stress across switches. Multilevel inverter topologies rely heavily on the reliability of semiconductor devices. In this paper, a new fault-tolerant multilevel inverter topology has been proposed which can work in a different mode of operation with different open-circuit fault (OCF) conditions with the addition of six auxiliary switches to the main circuit which comprises of seven switches and three dc voltage sources. Based on the voltage magnitude of dc voltage sources, proposed FT-MLI topology can be operated in different modes of operation which has been explained in this paper. Further, a fault analysis has been carried out for single and multi-switch OCFs. Finally, simulation results for different fault scenarios have been presented and results have been summarized.
| Original language | English |
|---|---|
| Title of host publication | ITEC Asia-Pacific 2023 - 2023 IEEE Transportation Electrification Conference and Expo, Asia-Pacific |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| ISBN (Electronic) | 9798350314274 |
| DOIs | |
| State | Published - 2023 |
| Event | 2023 IEEE Transportation Electrification Conference and Expo, Asia-Pacific, ITEC Asia-Pacific 2023 - Chiang Mai, Thailand Duration: 28 Nov 2023 → 1 Dec 2023 |
Publication series
| Name | ITEC Asia-Pacific 2023 - 2023 IEEE Transportation Electrification Conference and Expo, Asia-Pacific |
|---|
Conference
| Conference | 2023 IEEE Transportation Electrification Conference and Expo, Asia-Pacific, ITEC Asia-Pacific 2023 |
|---|---|
| Country/Territory | Thailand |
| City | Chiang Mai |
| Period | 28/11/23 → 1/12/23 |
Bibliographical note
Publisher Copyright:© 2023 IEEE.
Keywords
- fault-tolerant topology
- multilevel inverter
- Power converter
- reliability
ASJC Scopus subject areas
- Energy Engineering and Power Technology
- Renewable Energy, Sustainability and the Environment
- Aerospace Engineering
- Automotive Engineering
- Electrical and Electronic Engineering
- Transportation
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