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[2, 2017] 

Journal of Electrical Engineering, Vol 68, 2 (2017) 138-142 DOI: 10.1515/jee-2017-0019

Analysis and comparison of end effects in linear switched reluctance and hybrid motors

El Manaa Barhoumi – Ahmed Galal Abo-Khalil – Youcef Berrouche – Frederic Wurtz

   This paper presents and discusses the longitudinal and transversal end effects which affects the propulsive force of linear motors. Generally, the modeling of linear machine considers the forces distortion due to the specific geometry of linear actuators. The insertion of permanent magnets on the stator allows improving the propulsive force produced by switched reluctance linear motors. Also, the inserted permanent magnets in the hybrid structure allow reducing considerably the ends effects observed in linear motors. The analysis was conducted using 2D and 3D finite elements method. The permanent magnet reinforces the flux produced by the winding and reorients it which allows modifying the impact of end effects. Presented simulations and discussions show the importance of this study to characterize the end effects in two different linear motors.

Keywords: linear switched reluctance motor, hybrid motor, finite element method analysis, end effects


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