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Christoph Schlensok, Dirk van Riesen, Benedikt Schmülling, Marc Christian Schöning, Kay Hameyer

Cogging-Torque Analysis on Permanent-Magnet Machines by Simulation and Measurement

Keywords: electrical machines, cogging torque, harmonic analysis, finite-element method

Cogging torque is an effect to be considered in the design and optimization process of Permanent-Magnet Machines (PMM). Many simulation methods have been proposed. Verification of provided results require measurements of the cogging torque. Measuring it is, though, no easy task. Existing measurement setups often do not decouple the influence of the drive and the measured PMM. Hence, we propose a simple yet accurate test bench design for the measurement of cogging torque. The studied PMM is simulated using the Finite-Element Method (FEM) numerically, and the results are compared.

tm – Technisches Messen, Oldenbourg Wissenschaftsverlag

Print ISSN: 0171-8096
Volume: 74, 07/2007
Pages: 393 - 401

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