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Theses

SUIVI DES EQUIPEMENTS ELECTRIQUES TOURNANTS: ANALYSE ET DIAGNOSTIC DES DEFAILLANCES

Abstract : This thesis deals with solutions to improve the reliability of electrotechnical drives. The metohds use knowledge-based and signal-based approaches to detect and isolate faults in DC and AC electrical drives. Faults are considered in the DC supply, the converter stage, the sensors and the motor. On DC drives the approaches we proposed are based on fault trees representation. It links the measurable symptoms (effects) and the faults (causes). On AC drives several approaches have been proposed. They are an based on the analysis of the behaviour of the system in faulty conditions : trajectories or instantaneous frequency of current vector, input current evolution). A frequency characterizati~n have been realized also in the low (fundamental and its multiple) and high frequency (pWM frequency and is multiple) domains. The efficiency of the approaches have been validated on a experimental bench.
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https://tel.archives-ouvertes.fr/tel-00905281
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Submitted on : Monday, November 18, 2013 - 9:43:00 AM
Last modification on : Thursday, November 19, 2020 - 1:00:05 PM
Long-term archiving on: : Saturday, April 8, 2017 - 12:01:00 AM

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  • HAL Id : tel-00905281, version 1

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Raphaël Peuget. SUIVI DES EQUIPEMENTS ELECTRIQUES TOURNANTS: ANALYSE ET DIAGNOSTIC DES DEFAILLANCES. Sciences de l'ingénieur [physics]. Institut National Polytechnique de Grenoble - INPG, 1997. Français. ⟨tel-00905281⟩

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