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Validation of a Modified Direct-Self-Control Strategy for PMSM in Railway-Traction Applications

C. Calleja, A. López-de-Heredia, H. Gaztañaga, L. Aldasoro, T. Nieva

IEEE Transactions on Industrial Electronics, vol. 63, no. 8, pp. 5143-5155, Aug. 2016.


24/05/2016

This paper proposes and validates a modified direct-self-control (M-DSC) as a new control strategy option for permanent-magnet synchronous machine (PMSM) in railway traction applications. Taking into account all the specific requirements of the application and in order to stand-out its traction application capacity, a detailed analysis of the torque optimization technique (MTPA) and machine start-up capacity with low switching frequency have also been presented. Moreover, in order to achieve a robust control, two online permanent-magnet flux estimation techniques have been implemented. Experimental results, obtained from a 100-kW test bench, have demonstrated that the M-DSC control strategy fulfills all the railway-traction requirements: especially its very good dynamic performance. Therefore, this control can be a feasible alternative in PMSMs for railway traction applications.

DOI: 10.1109/TIE.2016.2572661

URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=7478042&isnumber=7508400 

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