Modélisation des machines asynchones et synchrones à aimants avec prise en compte des harmoniques d'espace et de temps : application à la propulsion marine par POD

Abstract : This work concerns the modeling and the design of the permanent magnets and asynchronous motors intended for POD ship propulsion. A state of the art is presented, where various topologies of motors designed for this application are approached there. The permanent magnet motor and the induction motor have been chosen for the application. For the permanent magnets motor, a finite element analysis is adopted to design and minimize the main harmonics leading to a quasi sinusoidal back EMF. A finite element model coupled to an electrical circuit allows to predict both current and torque waveforms including time harmonics knowing the voltage waveform of the inverter. The induction motor is designed in such a way to have minimum losses and pulsating torque. For this purpose, a 2D complex finite element method coupled to an electrical circuit is developed. In addition, another 2D finite element-electrical circuit model is proposed to evaluate time harmonics losses and to reconstitute the current and torque waveforms. This model allows to predict the pulsating torques. The validation and verification step is done by using a time stepping finite element software Flux2D and some available measurements (for the permanent magnets motor). The comparison of the calculations obtained by the different methods and software, as well as the available measurements is satisfactory
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Rambane Lateb. Modélisation des machines asynchones et synchrones à aimants avec prise en compte des harmoniques d'espace et de temps : application à la propulsion marine par POD. Autre [cond-mat.other]. Institut National Polytechnique de Lorraine, 2006. Français. ⟨NNT : 2006INPL055N⟩. ⟨tel-01752755⟩

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