CAJ | 학술논문

采用有限元法对额定功率为8.5,kW 的外转子永磁同步轮毂电机进行了电磁场-温度场的耦合仿真计算，研究了电机的发热以及电机内温度场分布情况，并对电机槽绝缘厚度和定子轭高度对电机温度场变化的影响做了定量分析．结果表明：当电机槽绝缘厚度降低到0.20,mm、定子轭高度增加5,mm 时，电机温升问题得到了很好的改善，符合绝缘条件的要求．
채용유한원법대액정공솔위8.5,kW 적외전자영자동보륜곡전궤진행료전자장-온도장적우합방진계산，연구료전궤적발열이급전궤내온도장분포정황，병대전궤조절연후도화정자액고도대전궤온도장변화적영향주료정량분석．결과표명：당전궤조절연후도강저도0.20,mm、정자액고도증가5,mm 시，전궤온승문제득도료흔호적개선，부합절연조건적요구．
An out-rotor permanent magnet synchronous motor(PMSM) in-wheel motor of 8.5,kW was studied in this paper. In order to obtain more precise temperature field simulation,the finite element method(FEM)was used for coupled electromagnetic-thermal field simulation. Heating and thermal distribution of the motor were studied,and the impacts of motor slot insulation thickness and stator yoke height on the motor temperature field were quantitatively analyzed. The results show that when the slot insulation thickness decreases to 0.20,mm and the stator yoke height increases by 5,mm,the problem of high temperature rise will be well corrected. The analysis results comply with the law of the motor temperature rise well.