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Theses

Modélisation et optimisation d’un ensemble convertisseur-machine. Application aux systèmes d’entrainement à haute vitesse.

Abstract : The work presented in this thesis aims at the modelling and optimisation of a set Converter-Machine that is intended to run at high speeds. The first part is a state of the art of the conception methodologies related to the optimal design of drives and investigates the particularities of high speed operations. Then, an analytic and multiphysic modelling of the elements of the system is performed. But, in order to carry out a global optimal conception, the significant interactions between the various elements of the system must be modelled. This is achieved through a precise electrical model – that is the core of the characterization of the interactions – involving an original harmonic approach. From this follows a modelling of the interdependences between inverter and machine in the system losses and in the torque quality. The models are then associated with a genetic algorithm according to a hybrid methodology of conception involving analytical and finite-element models. Finally, this procedure is applied to the design of two drives of which the motor is a PMSM with circumferentially magnetised magnets. These two cases have been successfully handled and clearly show the assets of a “System” approach for the design of drives. In addition, the morphologies of the optimal machines are analysed according to their rotation speed. This analysis highlights some interesting abilities of this kind of machines – in high speed – regarding the magnetic and mechanical behaviours, and the rotor losses.
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https://tel.archives-ouvertes.fr/tel-00565693
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Submitted on : Tuesday, July 2, 2013 - 12:13:14 PM
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  • HAL Id : tel-00565693, version 2

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Xavier Jannot. Modélisation et optimisation d’un ensemble convertisseur-machine. Application aux systèmes d’entrainement à haute vitesse.. Autre. Supélec, 2010. Français. ⟨NNT : 2010SUPL0004⟩. ⟨tel-00565693v2⟩

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