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Hybrid-excited flux-switching linear machine (HEFSLM) adjusts the air gap flux density by DC excitation current, which may have great influence on its performances and parameters, such as thrust force, thrust ripple, inductances and etc. This paper mainly investigates its thrust ripple and inductances characteristics under different DC excitation currents with the frozen permeability (FP) method based...
In this paper, a new concept for the application of linear flux-switching permanent magnet (LFSPM) machine to ropeless elevator is proposed. The single-sided LFSPM machine with complementary and modular structure is investigated as a candidate. Moreover, the secondary stator is made of mild steel. The normal upward and downward characteristics of the linear machine are analyzed by the three-dimensional...
A double slot-pitch and multitooth linear flux-switching permanent magnet (FSPM) machine, which is appropriate for high thrust force and low speed direct-drive applications, is proposed. Moreover, a nonlinear equivalent magnetic circuit (NEMC) model is developed for the analysis of the linear FSPM machine. The permeance of the repetition-unit (RU) in the NEMC model, of which the magnetic saturation...
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