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Theses

Efficacité énergétique des machines de production d'électricité

Abstract : During the design phase of an electrical generator, the topology is generally imposed by preliminary criteria. This thesis aims at providing a decision support for the choice of high power generator structures. The interest for high efficiency machines is driven by strong environmental objectives. Consequently, understanding the origin of losses in power generation machines is a major issue. Thus, a methodology for iron loss calculation is developed for high power generators.In the energy production and conversion sectors, Hybrid Excitation Synchronous Machines have a great potential to respond to the challenges of energy transition. It is important to quantify the impact of these new structures compared with existing solutions. This thesis proposes analytical and lumped models to design a set of generator structures. The modeling approach is also compared with two high power generators, including one for a direct drive wind turbine. Then, this modeling is used in an optimization design process. The optimal Pareto structures are compared according to different specifications. These optimized designs show significant gains compared to the existing solutions, especially on wind profile from a Weibull probability density function.
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Submitted on : Monday, September 10, 2018 - 4:09:07 PM
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  • HAL Id : tel-01871328, version 1

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Maxime Ployard. Efficacité énergétique des machines de production d'électricité. Energie électrique. Ecole Centrale de Lille, 2017. Français. ⟨NNT : 2017ECLI0010⟩. ⟨tel-01871328⟩

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