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A study on different topologies of the tubular linear permanent magnet motor designed for linear reciprocating compressor applications

Abdalla, I.I. and Ibrahim, T.B. and Nor, N.M. (2016) A study on different topologies of the tubular linear permanent magnet motor designed for linear reciprocating compressor applications. Applied Computational Electromagnetics Society Journal, 31 (1). pp. 85-91.

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Abstract

This paper presents a study on three different topologies of tubular linear permanent magnet motors (TLPMMs), with different permanent magnet (PM) structures. These motors provide direct conversion for electrical energy into a linear mechanical force, and they are directly coupled to the load. The proposed motors are equipped with quasi-Halbach magnetized moving-magnet armatures and their stator cores have been made from a soft magnetic composite (SMC) material, Somaloy 700. Based on the nonlinear time-stepping two-dimensional finite-element analysis (2-D FEA) an extensive magnetic field analysis of the proposed designs has been established. The simulation results indicate the effectiveness of the designs to drive a linear reciprocating compressor in a household refrigerator. Moreover, the simulation results have shown that, the superiority of the two designs with T-shaped and trapezoidal-shaped PMs structures over the TLPMM with conventional rectangular-shaped PMs. In addition to that, the usage of quasi-Halbach for the PMs array arrangement has a significant effect on the motor performance. © 2016 ACES.

Item Type:Article
Impact Factor:cited By 5
Uncontrolled Keywords:Electric motors; Linear motors; Magnetic fields; Magnetism; Magnets; Permanent magnets; Reciprocating compressors; Soft magnetic materials; Topology, Halbach; Household refrigerators; Linear permanent magnet; Magnetic field analysiss; Magnetic field distribution; Moving-magnet armature; Soft magnetic composite materials; Two-dimensional finite element analysis, Finite element method
ID Code:25553
Deposited By: Ms Sharifah Fahimah Saiyed Yeop
Deposited On:27 Aug 2021 09:58
Last Modified:27 Aug 2021 09:58

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