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Design, analysis and fabrication of a linear permanent magnet synchronous machine

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Abstract

This paper deals with the design, analysis and fabrication of a 320 W, 5 m/s, 4-pole permanent-magnet-based linear synchronous machine (LPMSM). The design deals with conventional hand calculations followed by design fine-tuning and analysis using standard FEM packages. Fabrication of the machine has been also done at the works of a local small machine manufacturer after procurement of imported permanent magnets (PMs). The work presented here focuses on design and fabrication of LPMSM linor stampings with fixed dimensions and standard available PM tablets with a view to providing simple design guidelines. This prototype forms part of a variable speed linear motor drive that is being developed. The approach presented here might provide new ideas to those researchers who may not have the capability to bear cost of fabrication of lamination and PMs from scratch but would like to manufacture LPMSMs from available stampings and tablet PMs. Additionally, it may serve as a base document for the R&D personnel in this area.

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Acknowledgements

The authors wish to thank the COE (MDAMD), IIEST, Shibpur, and TEQIP-II for the funds support. The authors acknowledge the role of Mr Kaushik Pyne and the entire staff of G.E. Motors for their technical support in fabricating the motor. The support received from the research colleagues in the Advanced Power Electronics Lab and particularly Mr N Dutta, Project Technical Assistant, APE Lab, Department of EE, and the authorities of IIEST, Shibpur, towards this work is also gratefully acknowledged.

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Authors and Affiliations

  1. Department of Electrical Engineering, Indian Institute of Engineering Science and Technology, Shibpur, Howrah, 711103, India

    MONOJIT SEAL & MAINAK SENGUPTA

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  1. MONOJIT SEAL
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  2. MAINAK SENGUPTA
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Correspondence to MONOJIT SEAL.

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SEAL, M., SENGUPTA, M. Design, analysis and fabrication of a linear permanent magnet synchronous machine. Sādhanā 42, 1419–1429 (2017). https://doi.org/10.1007/s12046-017-0687-8

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