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New approach to study HTS bulk behavior for a fully superconducting motor design

Abstract : The originality of this work is to applied Amperian Approach for modelling HTS bulk especially in electrical motor applications. This approach has proven its efficiency in electrical materials having a constant conductivity. For HTS materials, the resistivity change brutally and have a non linear comportment through any external magnetic field variations. To success the modelisation, we have to create an iterative procedure. All simulation steps are based on the power law model for computing resistivity and current densities adding the fixed point method for non linear iterations. The majority of our results concern the current densities in the HTS bulk rotor with different critical currents constatations under mgnetic field created by three phase coils of the proposed superconducting synchronous motor (SSM) prototype. Some results are consolidated by numerical way using flux 2D software.
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https://hal.univ-lorraine.fr/hal-03237570
Contributor : Bernard Davat Connect in order to contact the contributor
Submitted on : Wednesday, May 26, 2021 - 4:46:54 PM
Last modification on : Wednesday, November 3, 2021 - 7:56:31 AM

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Hocine Bouchekhou, Hicham Allag, Mohamed Rachid Mekideche, Jean Lévêque, Larbi Gueraiche. New approach to study HTS bulk behavior for a fully superconducting motor design. European Physical Journal: Applied Physics, EDP Sciences, 2020, 92 (2), pp.20904. ⟨10.1051/epjap/2020200031⟩. ⟨hal-03237570⟩

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