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The paper proposes a design strategy to reduce torque ripple in interior permanent magnet synchronous motor (IPMSM) with concentrated winding. Authors propose there ideas of design strategy. The first is to choose the combination of poles number and slots number which minimizes the torque ripple. The second is the decision of pole arc angle by trapezoidal waveform approximation of the air-gap magnetic...
This paper presents a study on interior permanent magnet synchronous motors (IPMSM) design with different PM materials, ferrite and NdFeB magnet, for achieving high efficiency performance. The high efficiency performance for IPMSM is analyzed based on energy losses balance analysis between iron losses, copper loss and mechanical loss. In addition, the important machine characteristics are also analyzed...
This paper presents flexible flux-barrier designs in an interior permanent magnet synchronous motor (IPMSM) for driving compressor in hybrid electrical vehicle. A conventional single-layer IPMSM model, a popular double-layer IPMSM model and a proposed novel double-barrier IPMSM model are built and optimized for improving torque performance by reducing cogging torque and torque ripple. The novel double-barrier...
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