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A theoretical study of the electromechanical transient after switch-on at standstill of an induction motor with rotor asymmetry is carried out. Purpose of this study is to assess the influence of the motor parameters on the amplitude and the duration of the electrical and the mechanical transient. Subsequently the influence of the transient characteristics as well as of the applied current time-frequency...
This paper is a continuation of a previous work regarding the induction motors diagnosis problem. An on-line fault detection strategy has been proposed using a graphical signature generation tool. In this work, the graphical tool is used for an off-line diagnosis including isolation and estimation. The underlying diagnosis problem corresponds to variations affecting three of system's parameters, namely,...
Through the increasing use of electric actuators, the induction motor is now major in industrial applications and takes a particular interest for applications requiring high power and variable speed robustness and for its simplicity and its low cost. The early detection for motor deterioration can increase plant availability and safety in an economical way. To improve the reliability as a whole, a...
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