Abstract
Linear switched reluctance motors (LSRM) are a very important and one of the most researched motors for applications in railways due to its robust structure, superior efficiency, lower mass production cost and superior tolerance towards faults. The study of electromagnetic properties plays a pertinent role in the selection of materials for linear switched reluctance motor. In this work a Finite element method (FEM) based tool is used for visualizing the electromagnetic field (magnetic flux) within the LSRM. The ANSYS maxwell software is used for obtaining the magnetic flux density variation in various materials. Based on the electromagnetic analysis of different materials obtained using the ANSYS software, the selection of material suitable for design of motor for implementation in railways application is made. The electromagnetic analysis between the stator and the translator is investigated and based upon this the selection of material is made. The magnetic flux between the stator and rotor teeth are analyzed during both the instants of alignment and unalignment. Various materials namely Cobalt, Steel 1008 and Samarium Cobalt (SmCo4) are tested and analyzed using the FEM based ANSYS software.
Published Version
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