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Maszyny Elektryczne : zeszyty problemowe

Tytuł artykułu

Calculation methods for eddy current losses at the example of a permanent excited synchronous machine inside the threshing cylinder of a combine harvester

Autorzy Schuffenhauer, U.  Michalke, N. 
Treść / Zawartość
Warianty tytułu
Języki publikacji EN
EN New electrical drive concepts make it possible to put a high functionality into a restricted structural form. Therefore electrical drives become more and more interesting also for applications in mobile working machines including the farming ones. In this paper is shown the electromagnetic design of a threshing cylinder for an electrical combine harvester with function-fitted external rotor and an inner stator using tooth Winding technology. Special attention will be paid on the calculation of the eddy current losses within the magnets by different software solutions. Firstly is presented the combination of 2D-FEM methods with analytical computations using the analysis of the transient field course by discrete Fourier analysis. These are compared with calculation of the eddy currents and losses with a real dynamic field calculation by means of 3D-FEM. The calculated losses are summed up for all elements and are summarized in loss zones respectively. It is shown the influence of the segmentation of the magnets in tangential and axial direction on the losses as well as it is established the connection to the analytical procedure.
Słowa kluczowe
Wydawca Instytut Napędów i Maszyn Elektrycznych KOMEL
Czasopismo Maszyny Elektryczne : zeszyty problemowe
Rocznik 2014
Tom Nr 4(104)
Strony 61--66
Opis fizyczny Bibliogr. 8 poz., rys., wz., zdj.
autor Schuffenhauer, U.
  • University of Applied Sciences HTW Dresden
autor Michalke, N.
[1]. Aumer, W.; Bernhardt, G.; Lindner, M.; Michalke, N.; Kuss, H.; Schuffenhauer, U.: Selbstfahrende Erntemaschine mit elektrisch angetriebener Dreschtrommel, Schutzrecht WO 2010/122055 A1.
[2]. Herlitzius, Th.; Aumer, W.; Lindner, M.; Bernhardt, G.; Kuß, H.; Michalke, N.; Schuffenhauer, U.: System Integration and Benefits of Electrical Solutions in Mobile Machines. ECPESeminar, More Electric Vehicle, München, 30. Und 31.03.2009.
[3]. Küpfmüller, K., Kohn, G.: Theoretische Elektrotechnik und Elektronik, Springer-Verlag 2000.
[4]. Bode, C., Canders, W.-R.: Advanced Calculation of Eddy Current Losses in PMSM with tooth windings, XIX International Conference on Electrical Machines - ICEM 2010, Rome.
[5]. Mirzaei, M., Binder, A., and Deak, C.: 3D Analysis of Circumferential and Axial Segmentation Effect on Magnet Eddy Current Losses in Permanent Magnet Synchronous Machines with Concentrated Windings, XIX International Conference on Electrical Machines - ICEM 2010, Rome.
[6]. Polinder, H., Hoeijmakers, M.J.-: Eddy-current losses in the segmented surface-mounted magnets of a PM machine; IEE Proc.-Electr. Power Appl. Vol. 146. No. 3. May 1999.
[7]. Green, T. C., Hernandez, C. A., Smith, A. C.: Losses in grid and inverter supplied induction machine drives, IEEE Proc. Electr. Power Apll- Vol 150 No. 6, 2003.
[8]. Hanke, M.; Otto, J.: Elektromechanische Antriebe, simuliert mit ANSYS, antriebspraxis 04/2009.
Kolekcja BazTech
Identyfikator YADDA bwmeta1.element.baztech-9034cd96-e4c3-4bcf-b95b-d5f66b619680