This work proposes a hybrid permanent magnet material based synchronous machine design, combining the advantages of rare-earth free iron nitride magnets with rare earth magnets. The primary goal of the work is to propose a solution for automotive applications for a passenger car vehicle, capable of reaching the required performance and withstanding active short-circuit events without significant irreversible demagnetization. The study also aims to minimize the content of expensive and climate intensive rare-earth permanent magnet. The proposed design has a reduction of 70% of the rare-earth materials content, without performance degradation. The cost and performance of the proposed design are compared to a benchmark machine with rare earth permanent magnets.

Design of Hybrid Magnet IPM Machine for Traction Applications / Ghiba, Satoshi; Raj, Rishabh; Halder, Shayan; Bergsro, Kim; Ferrari, Simone; Pellegrino, Gianmario. - ELETTRONICO. - (2024), pp. 1-6. (Intervento presentato al convegno 2024 International Conference on Electrical Machines (ICEM) tenutosi a Torino nel 01-04 September 2024) [10.1109/icem60801.2024.10700239].

Design of Hybrid Magnet IPM Machine for Traction Applications

Ghiba, Satoshi;Ferrari, Simone;Pellegrino, Gianmario
2024

Abstract

This work proposes a hybrid permanent magnet material based synchronous machine design, combining the advantages of rare-earth free iron nitride magnets with rare earth magnets. The primary goal of the work is to propose a solution for automotive applications for a passenger car vehicle, capable of reaching the required performance and withstanding active short-circuit events without significant irreversible demagnetization. The study also aims to minimize the content of expensive and climate intensive rare-earth permanent magnet. The proposed design has a reduction of 70% of the rare-earth materials content, without performance degradation. The cost and performance of the proposed design are compared to a benchmark machine with rare earth permanent magnets.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11583/2993314
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