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Transverse flux permanent magnet generator (TFPMG) with double-C stator-hoop and flux-concentrated rotor attracts people's attention due to its high power density and simple fabricated procedure. The structure and electromagnetic characteristics of the proposed generator with different pole-pair numbers are described and analyzed in detail by three-dimensional (3-D) finite element method (FEM). The...
By focusing on pumping diseases beneath the cement concrete pavement under rainy weather and heavy-loading transportation, this paper analyzed the stress in the cement concrete pavement with different thickness (20~32cm) in pumping status when it is worked under different loading of vehicles. By using finite elements method, this paper has established a 3D finite element model when the concrete pavement...
The objective of this paper is to investigate how strong the axial magnetic field (AMF) is needed for a 126kV vacuum interrupter at different contact gaps. The AMF was generated by a pair of 2/3 coil AMF contacts. First, the accuracy of the three-dimensional finite element simulation of AMF was validated by an AMF measurement at contact gap 30mm. After that high-current switching experiments with...
Five structural parameters of contrate contact, such as number and inclination of slot, contact diameter, the depth and thickness of contact cup, are arranged orthogonally to study magnetic characteristics. Experiments based on orthogonal design are analyzed by three dimensions finite element method. The regression equations of the relationship between structural parameters of contact and Lorentz...
Five structural parameters of contrate contact, such as number and inclination of slot, contact diameter, the depth and thickness of contact cup, are arranged orthogonally to study magnetic characteristics. Experiments based on orthogonal design are analyzed by three dimensions finite element method. The regression equations of the relationship between structural parameters of contact and Lorentz...
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