Due to their inherent advantages, multi-phase induction machine drives (IMD) are used in high-power applications. The spatial harmonic content in an IMD is substantially lower with a higher number of phases, which also lessens torque pulsations. On the other hand, to reduce the time-harmonic content and enhance the torque profile, multi-level inverters with a greater number of switches are used. Yet, as more switches are used in a multi-level inverter, the likelihood of switch failure instances increases. Consequently, it's crucial to successfully use the IMD even while it's malfunctioning. In this paper, a fault-tolerance method for a nine-phase IMD driven by a neutral point clamped based inverter is presented. With the use of ANSYS Maxwell 2-D software's finite element method study, the effectiveness of the suggested strategy has been confirmed. © 2022 IEEE.

K Siva Kumar

Department of Electrical Engineering

Kummari J.B.

Janaki Ramaiah V.

Indian Institute of Technology Hyderabad (IITH) is a premier institute of science and technology established in 2008. IITH has been consistently ranked in the&nbsp;<a href="https://iith.ac.in/reports/" rel="noopener noreferrer">top 10 institutes</a>&nbsp;in India for Engineering&nbsp;<a href="https://www.nirfindia.org/2021/EngineeringRanking.html" rel="noopener noreferrer" target="_blank">according to NIRF</a>&nbsp;making it one of the most coveted schools for science and technology in the country.

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Journal	10th IEEE International Conference on Power Electronics, Drives and Energy Systems, PEDES 2022
Publisher	Institute of Electrical and Electronics Engineers Inc.
Open Access	No