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Design problems of permanent magnet (PM) high-speed machines have some peculiarities. The possibilities of increasing the electromagnetic torque are depended on mechanical, electrical and magnetic aspects. Mechanical aspects of designing for some types of high speed PM electrical machines such as PM synchronous machines with a wide range of rotating speed and power rating are specially discussed in...
This paper presents a numerical analysis of magnetic noise and torque ripples, caused by radial and tangential magnetic forces respectively, in split-phase induction motors. The computation method is based on a magnetic equivalent circuit (MEC) coupled with an electrical circuit and has been developed in the (frequency, spatial order)-domain, such that the effects of the various factors determining...
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