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An integrated elitist approach to the design of Axial Flux Permanent Magnet Synchronous Wind Generators (AFPMWG)

Shariati, O. ORCID:, Behnamfar, A. ORCID: and Potter, B. (2022) An integrated elitist approach to the design of Axial Flux Permanent Magnet Synchronous Wind Generators (AFPMWG). Energies, 15 (9). e3262. ISSN 1996-1073

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To link to this item DOI: 10.3390/en15093262


This paper addresses an integrated and developed approach to the design of an Axial Flux Permanent Magnet Wind Generator (AFPMWG). The proposed analytical method of design employs the size equations and precise inductance calculations simultaneously, as well as considering the mechanical constraints of the back-iron disc of the rotor. An Elitist Genetic Algorithm (EGA), such as a high capability optimization method, has been used to solve the equations and design of a wind generator with predefined rating power. The objectives of the coreless AFPMWG design process are minimizing the magnet consumption, maximizing machine efficiency, and achieving maximum sinusoidal induction voltage, considering the wind properties of the geographical area of utilization. The optimal calculation of the permanent magnet thickness is also taken into consideration in this work. The flux density distribution in all parts of the machine has been investigated for the magnetic saturation phenomenon. In this regard, special attention is paid to rotor back discs, which are made from nonlinear material with an optimum thickness. The inductance of the leakage flux of the coreless machine has been considered by parallel computation via the Finite Element Method (FEM) and analytical equations. Finally, three-dimensional and two-dimensional finite element analyses are used to validate the performance of the machine design according to the characteristics of Iran wind resources. The results show the high ability of the proposed approach in AFPMWG design and in considering the objectives and constraints carefully.

Item Type:Article
Divisions:Science > School of the Built Environment > Construction Management and Engineering
ID Code:104960
Uncontrolled Keywords:axial flux permanent magnet, optimal design, wind generator, finite element method, elitist genetic algorithm


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