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The study of the fractional slot distributed winding (FSDW) IPM machine for automotive traction application is presented in this paper. First, the possibility of utilizing the bar wound winding for FSDW machine is investigated. It is found that machine which common factor fraction of SPP is 1/2, are feasible to utilize the bar wound winding. Based on the finding, two FSDW machines are designed and...
NVH analysis is critical for electric machine design and is used, in many applications, to separate a good (quiet) machine design from a bad (noisy) one. In this paper, a method for predicting the noise and vibration of permanent magnet synchronous machines due to electromagnetic forces is presented. Two types of fractional slot PM machines are employed as the study cases. The different skew in these...
Electromechanical actuators for automotive chassis application such as active/semi-active suspensions, electric power steering and electric brakes require high performance electric machines. This paper analyzes the practicality of fractional slot permanent magnet electric machines for these applications based on the full investigation of five candidate machines in terms of electrical, mechanical and...
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