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Fault-tolerant soft starter control of induction motors with reduced transient torque pulsations / Yeh, Chia-Chou in IEEE transactions on energy conversion, Vol. 24 N° 4 (Décembre 2009) 

Public ISBD [article]  in IEEE transactions on energy conversion > Vol. 24 N° 4 (Décembre 2009) . - pp. 848 - 859 Titre : Fault-tolerant soft starter control of induction motors with reduced transient torque pulsations Type de document : texte imprimé Auteurs : Yeh, Chia-Chou, Auteur ; Demerdash, Nabeel A. O., Auteur Année de publication : 2010 Article en page(s) : pp. 848 - 859 Note générale : energy conversion Langues : Anglais (eng) Mots-clés : Closed  loop  systems;  fault  tolerance;  induction  motors;  machine  control Résumé : Fault-tolerant operation of induction motors fed by soft starters when experiencing thyristor/silicon-controlled rectifier open-circuit or short-circuit switch fault is presented in this paper. The present low-cost fault mitigation solution can be easily retrofitted, without significant cost increase, into the existing off-the-shelf three-phase soft starters to enhance the reliability and fault-tolerant capability of such soft starter systems. In the event of either thyristor open-circuit or short-circuit switch fault in any one of the phases, the fault-tolerant soft starters are capable of operating in a two-phase control mode using a novel resilient closed-loop control scheme. The performance resulted from the present fault-tolerant soft starter control has demonstrated reduced motor starting transient torque pulsations as well as reduced motor inrush current magnitude. The present fault-tolerant approach is applicable to any soft starters that control small to large integral horsepower induction motors. Simulation results along with supporting experimental results for a 1.492-kW, 460-V, four-pole, three-phase induction motor are presented here to demonstrate the soundness and effectiveness of the present fault-tolerant approach. En ligne : http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=5291768&sortType%3Das [...] [article] Fault-tolerant soft starter control of induction motors with reduced transient torque pulsations [texte imprimé] / Yeh, Chia-Chou, Auteur ; Demerdash, Nabeel A. O., Auteur . - 2010 . - pp. 848 - 859. energy conversion Langues : Anglais (eng) in IEEE transactions on energy conversion > Vol. 24 N° 4 (Décembre 2009) . - pp. 848 - 859 Mots-clés : Closed  loop  systems;  fault  tolerance;  induction  motors;  machine  control Résumé : Fault-tolerant operation of induction motors fed by soft starters when experiencing thyristor/silicon-controlled rectifier open-circuit or short-circuit switch fault is presented in this paper. The present low-cost fault mitigation solution can be easily retrofitted, without significant cost increase, into the existing off-the-shelf three-phase soft starters to enhance the reliability and fault-tolerant capability of such soft starter systems. In the event of either thyristor open-circuit or short-circuit switch fault in any one of the phases, the fault-tolerant soft starters are capable of operating in a two-phase control mode using a novel resilient closed-loop control scheme. The performance resulted from the present fault-tolerant soft starter control has demonstrated reduced motor starting transient torque pulsations as well as reduced motor inrush current magnitude. The present fault-tolerant approach is applicable to any soft starters that control small to large integral horsepower induction motors. Simulation results along with supporting experimental results for a 1.492-kW, 460-V, four-pole, three-phase induction motor are presented here to demonstrate the soundness and effectiveness of the present fault-tolerant approach. En ligne : http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=5291768&sortType%3Das [...]