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Recent Developments of Electrical Drives - Part 5

Recent Developments of Electrical Drives - Part 5. The book stating the recent developments of electrical drives, can be useful for engineers and researchers investigating and designing electrical and electronic devices as well as for students and young researchers dealing with electrical and electronic engineering, computer sciences (advanced computer modelling, sophisticated control systems with artificial intelligence tools applied, optimal design bye use of classical and genetic algorithms employed), applied mathematics and all the topics where electromagnetic, thermal, mechanical phenomena occur | I-2. Losses in Large Hydro-generators 23 9 M.S. Lancarotte A. Penteado Estimation of core losses under sinusoidal or non-sinusoidal induction by analysis of magnetization rate. IEEE Trans. Energy Convers. Vol. 16 No. 2 pp. 174-179 2001. 10 D.C. Macdonald Losses in Roebel bars effect of slot portion on circulating currents Proc. IEE Vol. 117 No. 1 pp. 111-118 1970. 11 D.C. Macdonald Circulating-current loss within Roebel bar stator windings in hydroelectric alternators Proc. IEE Vol. 118 No. 5 pp. 689-697 1971. 12 W. Schuisky Berechnung elektrischer Maschinen Wien Verlag Springer 1960. 13 G. Traxler-Samek Zusatzverluste im Stirnraum von Hydrogeneratoren mit Roebelstabwick-lung Dissertation TU-Wien 2003. 14 M.T. Holmberg Three-dimensional Finite Element Computation of Eddy Currents in Synchronous Machines Technical Report No. 350 Department of Electric Power Engineering Chalmers University of Technology Goteborg Sweden 1998. 15 E. Schlemmer F. Klammler F. Mueller Comparison of Different Numerical Approaches for the Calculation of Eddy Current Losses in Large Synchronous Generators Proceedings of the Seventh International Conference on Modeling and Simulation of Electrical Machines Converters and Systems ELECTRIMACS Montreal Canada 2002. 16 E. Schmidt G. Traxler-Samek A. Schwery 3D Nonlinear Transient Finite Element Analysis of Eddy Currents in the Stator Clamping System of Large Hydro Generators Proceedings of the 16th International Conference on Electrical Machines ICEM Cracow Poland 2004. I-3. COUPLED MODEL FOR THE INTERIOR TYPE PERMANENT MAGNET SYNCHRONOUS MOTORS AT DIFFERENT SPEEDS M. Perez-Donsion Electrical Engineering Department Vigo University Campus of Lagoas-Marcosende 36200 Vigo Spain donsion@uvigo. es Abstract. A coupled model for accurate representation of the characteristics of permanent magnet synchronous motors has been presented in this paper. The starting and synchronization processes of the PMSM and the influence that on transient behavior of the .