PROJECT TITLE :
High-Torque-Density Single Tooth-Wound Bar Conductor Permanent-Magnet Motor for Electric Two Wheeler Application
The design of an in-wheel direct-drive motor for electrical and hybrid electrical 2 wheelers is studied, with specific specialise in the utilization of bar-wound conductors in stator. In serving the space-constrained style downside of simultaneously achieving conflicting objectives of weight, cost, and short-term torque rating, this paper aims at comparing machines equipped with bar-wound stators with multistrand wound machines. This paper proposes different conductor shapes and arrangements that combine the advantages of fractional slot targeted windings with bar conductors and describes the special fabrication technique adopted for semiclosed slot geometry. The implications of using bar conductors on eddy effects and thermal equivalent circuit of the motor are studied and characterized experimentally. Finally, to research the impact of bar windings over multistranded windings on the ultimate performance metrics, a design study is conducted using a multiobjective optimizer for the two cases, and also the ensuing Pareto optimal sets are compared. The concept of the bar conductor tooth-wound motor is tested on a laboratory prototype, and also the take a look at results for skin impact, thermal contact resistance, and cargo tests are presented.
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