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Natural Variable Modelling and Analysis of Concentrated Non-Overlapping Winding Synchronous Reluctance Motor

Authors: Epemu AM, Nyong-Bassey BE

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This study involved the modelling and analysis of a proposed line-start three-phase concentrated non-overlapping winding synchronous reluctance motor (cnWSynRM). The machine was modelled and analyzed in natural phase variables, avoiding the usage of complex matrix transformations that the usual d-q model requires. Performance characteristics such as speed, torque, inductances, phase currents, and rotor currents were measured as machine performance characteristics. The torque plot generated by the simulation revealed the presence of torque pulsations caused by the magneto-motive force (MMF) of the non-overlapping concentrated winding stator. When compared to the calculated rated torque of the motor, the proposed motor demonstrated a good torque overload capability of roughly a 36.91% increase. Although the conventional distributed winding synchronous reluctance motor is quite common due to its ability to produce better sinusoidal MMF, the proposed cnWSynRM will be easier to construct due to its fewer stator slots while still having the benefits of the concentrated winding topology. The natural variable model of the proposed machine was validated using finite element analysis (FEA), and the results were in good agreement.

Affiliations: Department of Electrical/Electronic Engineering, College of Engineering and Technology, Federal University of Petroleum Resources Effurun, PMB 1221, Effurun, Nigeria.
Keywords: Natural Variable Model, Finite Element Analysis, Concentrated Winding, Synchronous Reluctance Motor, Mathematical Modelling
Published date: 2022/06/30

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ISSN: 2635-3342 (Print)

ISSN: 2635-3350 (Online)

DOI: In progress

ISI Impact Factor: In progress

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Chemical Engineering Department, Faculty of Engineering, University of Benin, PMB 1154, Ugbowo, Benin City, Edo State, Nigeria.