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This article deals with analytical models dedicated to iron losses in yokes and pole pieces of a magnetic gear with a concentric structure. The magnetic field distribution is determined in yokes by solving both Poisson's and Laplace's equations, whereas for pole pieces the magnetic field is computed by coupling the previous analytical model with a reluctance network model. The iron loss can then be...
This paper focuses on the computation time and precision of a linear 2-D magnetic gear analytical model. Two main models of magnetic gears are studied: 1) the first with an infinite relative permeability of yokes and 2) the second with a finite relative permeability of yokes. These models are based on the subdomain resolution of Laplace and Poisson equations. To accurately compute the magnetic field...
This article deals with the optimization of a full magnetic indirect drive (FMID) with magnetic gears which uses an analytical model based on subdomain resolution of Laplace's and Poisson's equations of the magnetic gear. A bi-objective analytical optimization is performed with a PSO algorithm with a minimization of the mass of the magnetic parts and a maximization of the gear ratio. This intermediate...
This article deals with the design and the optimization of magnetic and mechanical (structural) parts of magnetic gears for wind turbine applications. In particular, the design takes into account structural aspects of magnetic gears as well as mechanical constraints (deformation and stress) of the system. Geometric parameters are optimized in order to minimize the material cost for a 3.9 MW, 15 rpm...
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