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Online sensorless induction motor temperature monitoring / Sonnaillon, M.O. in IEEE transactions on energy conversion, Vol. 25 N° 2 (Juin 2010) 

Public ISBD [article]  in IEEE transactions on energy conversion > Vol. 25 N° 2 (Juin 2010) . - pp. 273 - 280 Titre : Online sensorless induction motor temperature monitoring Type de document : texte imprimé Auteurs : Sonnaillon, M.O., Auteur ; Bisheimer, G., Auteur ; De Angelo, C., Auteur Année de publication : 2010 Article en page(s) : pp. 273 - 280 Note générale : energy conversion Langues : Anglais (eng) Mots-clés : computerised  monitoring;  electric  machine  analysis  computing;  induction  motor  drives;  signal  processing;  temperature  measurement Résumé : A sensorless internal temperature monitoring method for induction motors is proposed in this paper. This method can be embedded in standard motor drives, and is based on the stator windings resistance variation with temperature. A small AC signal is injected to the motor, superimposed to the power supply current, in order to measure the stator resistance online. The proposed method has the advantage of requiring a very low-level monitoring signal, hence the motor torque perturbations and additional power losses are negligible. Furthermore, temperature estimations do not depend on the knowledge of any other motor parameter, since the method is not based on a model. This makes the proposed method more robust than model-based methods. Experimental results that validate the proposal are also presented. En ligne : http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=5437206&sortType%3Das [...] [article] Online sensorless induction motor temperature monitoring [texte imprimé] / Sonnaillon, M.O., Auteur ; Bisheimer, G., Auteur ; De Angelo, C., Auteur . - 2010 . - pp. 273 - 280. energy conversion Langues : Anglais (eng) in IEEE transactions on energy conversion > Vol. 25 N° 2 (Juin 2010) . - pp. 273 - 280 Mots-clés : computerised  monitoring;  electric  machine  analysis  computing;  induction  motor  drives;  signal  processing;  temperature  measurement Résumé : A sensorless internal temperature monitoring method for induction motors is proposed in this paper. This method can be embedded in standard motor drives, and is based on the stator windings resistance variation with temperature. A small AC signal is injected to the motor, superimposed to the power supply current, in order to measure the stator resistance online. The proposed method has the advantage of requiring a very low-level monitoring signal, hence the motor torque perturbations and additional power losses are negligible. Furthermore, temperature estimations do not depend on the knowledge of any other motor parameter, since the method is not based on a model. This makes the proposed method more robust than model-based methods. Experimental results that validate the proposal are also presented. En ligne : http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=5437206&sortType%3Das [...]