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Theses

Détection et localisation de défauts dans les réseaux de distribution HTA
en présence de génération d'énergie dispersée

Abstract : This thesis concerned the fault detection and location in the distribution networks by the fault indicators (FI).
The studies were carried out within the framework of the development of dispersed generation (DG) sources.
The first part of the thesis consists in analyzing the FI behavior. With regard to the influence of the context of
network operation on the FI response, a part is intended to verify the operation of FI models developed and the
rules of FI use envisaged. Another part analyses the DG influence on the fault detection and location by FI. For
improvement of the robustness of the diagnosis with FI in the case of false responses, a method of fault section
determination (limited by FI) is proposed.
The second part of the thesis presents a method of optimization of the FI placement in distribution networks. We
defined various criteria for optimization; they are validated by a reliability calculation program. Taking into
account the constraints on the objective function, the genetic algorithm was selected for optimization. The DG
influence on the optimal FI placement is analyzed by taking account of the cost of the not provided DG energy
and possible DG back-up operation.
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Submitted on : Monday, July 23, 2007 - 9:37:20 AM
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Cong Duc Pham. Détection et localisation de défauts dans les réseaux de distribution HTA
en présence de génération d'énergie dispersée. Energie électrique. Institut National Polytechnique de Grenoble - INPG, 2005. Français. ⟨tel-00164643⟩

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