Optimal design of a high-speed slotless permanent magnet synchronous generator with soft magnetic composite stator yoke and rectifier load

Ahmed Chebak, Philippe Viarouge and Jérôme Cros

Mathematics and Computers in Simulation (MATCOM), 2010, vol. 81, issue 2, 239-251

Abstract: This paper presents a specific design methodology of a DC generation system using a high-speed slotless generator with surface-mounted magnets and soft magnetic composite (SMC) stator yoke connected to a rectifier. The method is based on an analytical design model of the machine, an electrical model of the machine–rectifier system and a non-linear optimization procedure. The coupling between both models is achieved by a specific correction mechanism during the iterative process that performs an efficient convergence of the optimization procedure. The machine design model is derived from an analytical computation of the two-dimensional magnetic field distribution created by the magnets, the armature currents and the stator eddy currents that circulate in the SMC material. It has been cross-validated by 2D finite element analysis. The design approach is applied to the specifications of a 1.5MW, 18,000rpm slotless permanent magnet generator with a rated DC output voltage of 1500V.

Keywords: High-speed generation system; Permanent magnet machine; Optimal design; Soft magnetic composite material; Eddy currents (search for similar items in EconPapers)
Date: 2010
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Citations: View citations in EconPapers (7)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:81:y:2010:i:2:p:239-251

DOI: 10.1016/j.matcom.2010.05.002

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