کنفرانس بین المللی ماشین و محرکه های الکتریکی

صفحه اصلی / The 3rd International Conference on Electrical Machines and Drives

A Novel Dual-PM Flux Reversal Machine With Halbach Array Magnets in Stator Slots

نویسندگان :

Behzad Aslani¹ Seyed Ehsan Abdollahi² Seyed Asghar Gholamian³

1- Electrical and Computer Department Babol Noshirvani University of Technology 2- Facualty member of Electrical and Computer Department Babol Noshirvani University of Technology 3- Facualty member of Electrical and Computer Department Babol Noshirvani University of Technology

کلمات کلیدی :

Flux reversal machine،dual-permanent magnet (PM)،Halbach array،torque density

چکیده :

This paper presents a novel dual-permanent magnet flux reversal machine ( dual-PM FRM) with Hallbach array magnets in its stator slots. Unlike the existing Hallbach array FRM, half of the magnets are removed from stator slots and placed into rotor slots with radial magnetization. The working mechanism of the proposed machine is described with the aid of the flux modulation theory. Moreover, the performances of the developed machine are compared with its counterpart by means of finite element analysis (FEA). It is revealed that the average torque is improved by 28.14% in the presented design under the same magnet usage, overall dimensions, and input current as those of the existing Halbach array FRM. In addition, due to the substantial increase in back-EMF, the power factor of the novel ( dual-PM FRM) has witnessed 17% growth.

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