Inverter fed induction motors play a vital role in providing reliable operation in many industrial applications. However, the probability of failure of inverter switches is higher when compared to electro-mechanical systems. As the power electronic converter is the crucial unit in the drive, the failure of a semiconductor switch might lead to the failure of the entire drive. Therefore, it is an important concern to improve the fault-tolerance of the inverters to effectively utilize the induction motor drives (IMD). This paper proposes a reconfiguration of the nine-phase IMD to operate the system under the single-leg open-switch fault condition. ANSYS Maxwell is used for the FEM analysis of the nine-phase IMD under both normal as well as fault conditions. © 2020 IEEE.

K Siva Kumar

Department of Electrical Engineering

Kummari J.B.

Ramaiah V.J.

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	2020 IEEE International Conference on Power Electronics, Smart Grid and Renewable Energy, PESGRE 2020
Publisher	Institute of Electrical and Electronics Engineers Inc.
Open Access	No