Dimensionnement d'un moteur supraconducteur HTc

Abstract : The appearance of high-temperature superconductors (HTS) has led to a continuous development of superconducting motors. These superconducting devices allow high power and torque densities, so they constitute and novel alternative to conventional motors. The design of such motors requires a deep knowledge of the electromagnetic, thermal and mechanical characteristics of the HTS materials. Hence, the work presented here is related to the design of HTS motors which includes the constraints due to the HTS conductors. The manuscript begins with an extensive literature review where three main points are discussed, viz. HTS conductors, already constructed HTS motors and statistical analysis on these achievements. The dc characterization of HTS superconductors as well as their ac losses under time varying magnetic fields are theoretically and experimentally studied. In so doing, numerical techniques are used and the obtained results are compared the measurements. The last part deals with the design of HTS motors by analytical and finite element methods. A particular attention is given to the constraints introduced by the use of HTS materials. The first results of the electromagnetic and thermal design of a salient pole HTS synchronous machine are provided with the emphasis of the adopted technical solutions
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Sofiane Bendali. Dimensionnement d'un moteur supraconducteur HTc. Autre. Université de Lorraine, 2012. Français. ⟨NNT : 2012LORR0290⟩. ⟨tel-01749647⟩

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