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This paper investigates the influence of geometric design variables on the machine's characteristics of low voltage permanent magnet synchronous motor for in-wheel direct-drive application. On the base of finite-element-analysis, sensitivity analysis has be performed to improve the torque density and the efficiency. The effect of different slot/pole combinations on the machine's characteristics has...
Electrical machine for traction drive has to fulfil a lot of requirements to improve the initiation of e-mobility. Especially high efficiency and long service life are the main requirements for battery electric vehicles. Moreover, the suitable voltage range for battery electric vehicles has been more often discussed in the last time. The voltage range determine several specification and design configuration...
Recently, interior permanent magnet synchronous machines have been discussed as a possible candidate for hybrid and electrical vehicles. These type of synchronous machines offers high efficiency and high torque by utilizing both magnetic torque and reluctance torque. The reluctance torque caused by the saliency of the machine is used to improve the efficiency and to exploit the full power of the traction...
In order to reduce the CO2 emission, German government's target is to achieve one million electrical cars until 2020 on the German roads. Due to the increased interest in electric vehicles, the requirements of electric traction drives regarding efficiency, power density, volume and weight continually rise. This paper presents a permanent magnet synchronous machine operated with field oriented control...
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