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Brushless direct current (BLDC) motor is now widely used for industrial and automotive field since its efficiency is higher than a permanent motors and it has relatively small size. Therefore modelling of BLDC was necessary for its application. The objective of this research was to investigate the performance of BLDC motor modeled by using ANN. The target for this work was to get the maximum power...
This paper presents a method for calculating eddy current loss in a permanent magnet (PM) of a surface permanent magnet (SPM) motor based on electric and magnetic networks. First, a reluctance network analysis (RNA) model of the SPM motor and coupling between the RNA model and electric network model are described. To take account of the carrier harmonics caused by PWM switching, input current waveforms...
This paper deals with a new configuration of gearless wheel mounted drives of trams. It introduces profitable properties of interior permanent magnet synchronous motor (IPMSM) for the drive and designs its new control strategy. The proposed control is based on a field oriented control linked to a rotor flux and optimally utilizes the reluctance component of torque in order to achieve maximum motor...
The paper proposes a study of synchronization capability of line-start permanent magnet synchronous motor with small saliency ratio and very high cage resistance. The exemplified method is for a motor with the rated power of 3.5 kW, the synchronous speed of 3000 rpm, and the saliency ratio of 1.08.
The paper brings torque, power, efficiency and harmonic analyses of traction drive with permanent magnet synchronous motor (PMSM) during flux weakening operation. There is one way to weak flux of rotor permanent magnets - armature reaction caused by negative flux producing current component. On the other hand, the flux producing current component increases total RMS value of stator current. This effect...
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