Improvement of Tubular Permanent Magnet Machine Performance Using Dual-Segment Halbach Array

Minh-Trung Duong; Yon-Do Chun

doi:10.20944/preprints201809.0536.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Version 1 : Received: 27 September 2018 / Approved: 27 September 2018 / Online: 27 September 2018 (08:29:13 CEST)

In this paper, modification of dual-Halbach permanent magnet (PM) array is investigated to improve performance of tubular linear machine, in terms of flux density and output power. Instead of a classical Halbach array with only radial and axial PMs, proposed model involves insertion of mig-magnets, which have magnetized angle shifted from the reference magnetized angles of axial and radial PMs. This structure leads to elimination of flux leakage and concentration of flux linkage in middle of the coil; therefore, the performance of machine is increased.

electromagnetic shock absorber; tubular machine; energy harvesting; Halbach array

Engineering, Electrical and Electronic Engineering

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Improvement of Tubular Permanent Magnet Machine Performance Using Dual-Segment Halbach Array

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