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This paper presents an empirical method for determining the axial load distribution generated by the V-band clamps around the flanges. The method utilizes a hydraulic fixture and uniquely designed flanges. The load is measured through strain gages and a pressure transducer. Tests were conducted successfully on a V-band and a nonuniform distribution of axial load was obtained, fitting well with the...
For high-speed applications, the surface-mounted permanent magnet (SPM) machine is preferred due to its high torque density and efficiency. However, induced eddy currents in the rotor conductive parts result in a loss of efficiency and rotor heating. Therefore, several methods to reduce such losses have been proposed in the literature including copper shielding. In this paper, a high-speed SPM machine...
In this paper, the influence of different switching modulation arrangements, i.e. current waveform modulation- and phase-shift, on the resultant current waveform of an electrical machine drive consisting of a two segment inter-leaved inverter feeding a surface-mounted permanent magnet (SPM) machine with two identical sets of three phase windings is investigated. The modulation- and phase-shift have...
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