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There is ripples in the DC bus voltage of the electrolytic capacitor-less air condition motor system because the film capacitor is not big enough to store plenty of energy, which will cause a motor voltage offset and go further causing beat phenomenon in the motor current and the torque. Firstly, the reason of the beat phenomenon in the current and the torque is analyzed mathematically. Furthermore,...
Salient-pole permanent magnet synchronous motor has the characteristic of high power density and high efficiency, quick response, high reluctance torque component, and excellent flux weakening function. Consequently, it is quite suitable for electric traction and electrical vehicle applications. In the condition of limited lab power supply and load condition, this paper presents a design of proportional...
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