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This paper presents a new study on the comparison of dual-rotor single-stator (DRSS) and dual-stator single-rotor (DSSR) axial flux-switching permanent magnet (AxFSPM) machines. The DRSS and DSSR AxFSPM machines have the same dimensions except for stator and rotor yoke lengths. 3-D finite element analysis (FEA) and experimental verification are used for the comparison study. The comparison results...
The objective of this research is to propose a novel electric machine integrated with the multistage axial-flow compressor. The proposed integrated machine consists of a flux-switching permanent magnet (FSPM) machine with an airfoil-shaped rotor, which can produce electromagnetic torque and compression of gas flowing through it at the same time. Hence, reduced size and higher efficiency can be achieved...
This paper proposes the analytical design methods of axial flux-switching permanent magnet (AxFSPM) machines. The analytical design methods take the influences of electric and magnetic loadings into account to calculate the specific sizing of the AxFSPM machine. In addition, the winding functions are implemented to derive the self-, mutual-, and d-axis and q-axis inductance. The results of analytical...
The purpose of this paper is to study the design opportunities in high-speed toothless toroidal winding surface permanent magnet machine enabled by the implementation of silicon carbide-based power electronic inverters. High-speed machines designed with toothless toroidal winding configuration are beneficial to eliminating the cogging torque due to the absence of stator teeth, but the airgap flux...
The purpose of this paper is to investigate high-speed machine design enabled through the use of silicon-carbide based power electronic inverters. Silicon carbide based switching devices have superior properties compared to silicon based devices, and they are able to change the paradigm for high-speed machine design. High-speed machines with a higher number of poles are shown to reduce the machine...
Due to their inherent high power density, high-speed multi-megawatt electric machines are becoming increasingly more popular in many applications including industrial, petro-chemical, mining, and marine. In this paper, state-of-the-art high-speed multi-megawatt electric machines are reviewed. The power range, speed range, and specific power of different high-speed multi-megawatt electric machine topologies,...
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