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Theses

MICRO–GENERATEUR MAGNETIQUE PLANAIRE
ET MICRO-CONVERTISSEUR INTEGRE

Abstract : This thesis deals with electric micro-generation and micro-energy management. The
developed micro-generator is a millimetre-scale, planar, axial-flux, permanent magnet,
ironless, synchronous machine compatible with fast rotating MEMS turbines. Established
multiphysical model enables the magnetic generator performance estimation in dependence
on its operating point and geometry. A 8mm diameter magnetic micro-generator has been
successfully tested to speeds up to 380 000 rpm; at this speed it generates 5W with an
electrical efficiency of 57%. A prototype of a fully integrated micro-turbo-generator
generated about 15mV at 60 000 rpm.
Low power AC/DC micro converters for low voltage micro generators were also studied.
A three-phase, high efficiency, low voltage, low power and fully autonomous micro rectifier
was monolithically integrated in the CMOS 0,35 μm technology. The tests on the μ-rectifier
coupled to the magnetic generator confirmed its functionality and high efficiency.
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Submitted on : Tuesday, July 17, 2007 - 2:46:18 PM
Last modification on : Thursday, November 19, 2020 - 1:00:11 PM
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Hynek Raisigel. MICRO–GENERATEUR MAGNETIQUE PLANAIRE
ET MICRO-CONVERTISSEUR INTEGRE. Energie électrique. Institut National Polytechnique de Grenoble - INPG, 2006. Français. ⟨tel-00161880⟩

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