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A passive stator cooling concept employing flat type heat pipes is presented as a feasible alternative to conventional water jacket stator cooling. The cooling method is practically evaluated on a motor sub assembly of a flux-switching permanent magnet machine~(FSPMM) which a large air-gap of δ = 3 mm and small motor dimensions (DSa = 100 mm, lFe=80 mm) at the same time. The application of heat pipes...
A number of design options for a small power flux-switching permanent magnet machine incorporating a large airgap (δ = 3 mm) with arbitrary magnet shape and the application of grain-oriented material is investigated. The characteristics of the flux paths in the stator as well as in the rotor teeth of a flux switching permanent magnet machine make it possible to use anisotropic electrical steel sheet...
A detailed investigation of different pole shapes of a flux switching machine with a large air-gap (δ = 3 mm) compared to the machines outer diameter (DSa = 1000 mm) is conducted by means of 2D finite element analysis. The rotor pole shape as well as the stator core is modelled using parametrized spline curves to improve the electromagnetic performance of the FSPM machine. During the design process,...
A 6/8 flux-switching machine with permanent magnets and a large air-gap (δ = 2.5mm) is optimized using finite element method. Maximum output torque and minimum torque ripple is achieved by means of alteration the C-shaped stator core dimensions and the rotor pole shape. Simulation results show, that the characteristics of the flux-switching machine are very suitable for applications where large air-gaps,...
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