Réseaux électriques et filtrage des harmoniques : mise en œuvre et méthode d’étude

Abstract : The problem of quality of electrical energy is the main object of this thesis. This problem is considered especially from the point of view of harmonics, sources, effects and solutions to reduce them. Two main solutions are considered, multi-pulse converters and active filters. This work is developed with a particular emphasis on the Thai electrical network. Then, the production, transmission and distribution system of electricity in Thailand and the harmonics regulations are presented. The different types of HVDC interconnection systems which are installed in the world today are detailed before presenting the 300/600 MW Thailand-Malaysia HVDC interconnection. After presenting the different possible solutions to avoid harmonics, a realized example, one of the first one developed in Thailand with a numerical control, is detailed to show the advantages of such a solution. The thesis ends on the presentation of an original modelling method of multi-pulse converters. The model is based on an exact analytical solution of the state problem which is considered on the smallest interval, which can, by using property of symmetry, rebuild the whole period. The result model gives the full information on the operation of the whole device both in time and frequency domains
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Panarit Sethakul. Réseaux électriques et filtrage des harmoniques : mise en œuvre et méthode d’étude. Autre. Institut National Polytechnique de Lorraine, 2009. Français. ⟨NNT : 2009INPL083N⟩. ⟨tel-01751076⟩

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