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Etude du système de conversion électromécanique d'une microcentrale hydroélectrique à vitesse variable

Abstract : The interest for renewable energy is growing every day, globally. The European Union's objective is to increase, by year 2020, the production of electrical energy from renewable sources with 20% of the total energy consumption. With this aim, the majority of countries have decided to reduce the gas emissions responsible for the greenhouse effect. This decision implies the using reduction of the fossil fuel (oil, coal, natural gas) based power plants and increasing use of the renewable based power plants like micro-hydropower plants. The micro-hydro has a great potential of development, and will have an important role in the future of renewable energy production, the applications pointed are the electric energy supply of the remote areas or connected to power network in association with other renewable energy production units like wind power plants. The aim of this thesis is to develop theoretical and experimental (on the test bench) the structure of a micro-hydropower plant with variable speed. The system consists of a doubly-fed induction generator (DFIG) linked mechanically and electrically (through back-to-back power electronic converters in the rotor circuit) to a permanent-magnet synchronous machine (PMSM). This study concerns the aspects about the electrical machines control, islanded operation and connection to power grid and also the association with other renewable energy sources. The association with a fixed speed wind generator was studied. In addition, a storage device with supercapacitors was added having the role to increase the penetration rate into the islanded or strong power grids.
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Submitted on : Monday, May 25, 2009 - 8:00:00 AM
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  • HAL Id : pastel-00005062, version 1


Stefan Breban. Etude du système de conversion électromécanique d'une microcentrale hydroélectrique à vitesse variable. Sciences de l'ingénieur [physics]. Arts et Métiers ParisTech, 2008. Français. ⟨NNT : 2008ENAM0033⟩. ⟨pastel-00005062⟩



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