Electric machine utilization during the post-fault operation after inverter open circuit faults

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Abstract

Inverter open circuit faults (IOCFs) in AC drives lead to undesired effects and thus, the reconfiguration of the drive to a post-fault operation mode is desirable. In the past some authors have proposed drive topologies and operation strategies to keep the drives operating after IOCFs. However, increased losses and temperatures during these post-fault operation modes lead to a reduced performance of the machine. This paper analyzes the occurring losses and the thermally defined operation limits of an induction machine during the post-fault operation. The analysis is performed by means of symmetrical components, finite element analysis and lumped parameter models.
Original languageEnglish
Title of host publicationProceedings of 2017 IEEE 11th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED)
PublisherInstitute of Electrical and Electronics Engineers
Pages201-207
Number of pages6
DOIs
Publication statusPublished - 2017

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    Eickhoff, H., Strangas, E. G., & Mütze, A. (2017). Electric machine utilization during the post-fault operation after inverter open circuit faults. In Proceedings of 2017 IEEE 11th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED) (pp. 201-207). Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/DEMPED.2017.8062356