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Investigation of control strategies for variable-speed pump-turbine units by using a simplified model of the converters / Pannatier, Yves in IEEE transactions on industrial electronics, Vol. 57 N° 9 (Septembre 2010) 

Public ISBD [article]  in IEEE transactions on industrial electronics > Vol. 57 N° 9 (Septembre 2010) . - pp. 3039 - 3049 Titre : Investigation of control strategies for variable-speed pump-turbine units by using a simplified model of the converters Type de document : texte imprimé Auteurs : Pannatier, Yves, Auteur ; Kawkabani, Basile, Auteur ; Nicolet, Christophe, Auteur Année de publication : 2011 Article en page(s) : pp. 3039 - 3049 Note générale : Génie électrique Langues : Anglais (eng) Mots-clés : Control  strategy  Dynamic  simulation  Induction  machine  Power  converter  Pulsewidth  modulation  (PWM)  Pump  turbine  Torque  Variable  speed Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : This paper presents the modeling, simulation, and analysis of the dynamic behavior of a fictitious 2 × 320 MW variable-speed pump-turbine power plant, including a hydraulic system, electrical equipment, rotating inertias, and control systems. The modeling of the hydraulic and electrical components of the power plant is presented. The dynamic performances of a control strategy in generating mode and one in pumping mode are investigated by the simulation of the complete models in the case of change of active power set points. Then, a pseudocontinuous model of the converters feeding the rotor circuits is described. Due to this simplification, the simulation time can be reduced drastically (approximately factor 60). A first validation of the simplified model of the converters is obtained by comparison of the simulated results coming from the simplified and complete models for different modes of operation of the power plant. Experimental results performed on a 2.2-kW low-power test bench are also compared with the simulated results coming from both complete and simplified models related to this case and confirm the validity of the proposed simplified approach for the converters. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5342518 [article] Investigation of control strategies for variable-speed pump-turbine units by using a simplified model of the converters [texte imprimé] / Pannatier, Yves, Auteur ; Kawkabani, Basile, Auteur ; Nicolet, Christophe, Auteur . - 2011 . - pp. 3039 - 3049. Génie électrique Langues : Anglais (eng) in IEEE transactions on industrial electronics > Vol. 57 N° 9 (Septembre 2010) . - pp. 3039 - 3049 Mots-clés : Control  strategy  Dynamic  simulation  Induction  machine  Power  converter  Pulsewidth  modulation  (PWM)  Pump  turbine  Torque  Variable  speed Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : This paper presents the modeling, simulation, and analysis of the dynamic behavior of a fictitious 2 × 320 MW variable-speed pump-turbine power plant, including a hydraulic system, electrical equipment, rotating inertias, and control systems. The modeling of the hydraulic and electrical components of the power plant is presented. The dynamic performances of a control strategy in generating mode and one in pumping mode are investigated by the simulation of the complete models in the case of change of active power set points. Then, a pseudocontinuous model of the converters feeding the rotor circuits is described. Due to this simplification, the simulation time can be reduced drastically (approximately factor 60). A first validation of the simplified model of the converters is obtained by comparison of the simulated results coming from the simplified and complete models for different modes of operation of the power plant. Experimental results performed on a 2.2-kW low-power test bench are also compared with the simulated results coming from both complete and simplified models related to this case and confirm the validity of the proposed simplified approach for the converters. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5342518