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作 者:刘凡 邓涛 华旭彬 LIU Fan;DENG Tao;HUA Xubin(School of Mechatronics and Vehicle Engineering,Chongqing Jiaotong University,Chongqing 400074,China;School of Aeronautics,Chongqing Jiaotong University,Chongqing 400074,China;Institute of Green Aviation Technology,Chongqing Jiaotong University,Chongqing 401135,China)
机构地区:[1]重庆交通大学机电与车辆工程学院,重庆400074 [2]重庆交通大学航空学院,重庆400074 [3]重庆交通大学绿色航空技术研究院,重庆401135
出 处:《重庆理工大学学报(自然科学)》2021年第12期77-84,共8页Journal of Chongqing University of Technology:Natural Science
基 金:重庆市技术创新与应用发展专项重点项目(cstc2019jscx-fxydX0028);重庆市教育委员会科学技术研究重点项目(KJZD-K202000701)。
摘 要:传统混合动力车用电机存在转矩密度小、效率低、散热不良等问题。为此,设计一款车用双定子单转子盘式永磁同步电机及其冷却散热结构。首先,设计双定子单转子盘式永磁同步电机的电磁结构及尺寸参数;基于Ansys Maxwell软件,建立其三维模型并进行瞬态电磁仿真,将仿真值与设计值进行对比分析;最后设计其冷却散热结构,进行热建模和温度场仿真分析。结果表明:额定工况运行时,额定转矩为358 N·m,额定转速为1600 r/min,额定输出功率为60 kW,满足电机电磁性能设计要求;电机的最高温度为133.8℃,不会造成永磁体发生不可逆退磁和绕组绝缘层的损坏,冷却结构符合设计要求。Traditional hybrid electric vehicles have problems such as low torque density,low efficiency,and poor heat dissipation.For this reason,a double-stator single-rotor disc permanent magnet synchronous motor(DSSR-DPMSM)and its cooling and cooling structure are designed.First,the electromagnetic structure and size parameters of double stator and single rotor disk permanent magnet synchronous motor are designed.Based on ANSYS Maxwell software,the 3D model was established and the transient electromagnetic simulation was carried out.Then,the simulation value and the design value were compared and analyzed.Finally,the cooling structure is designed and the thermal modeling and temperature field simulation analysis are carried out.The results show that the rated torque of DSSR-DPMSM is 358 N·m,the rated speed is 1600 r/min,and the rated output power is 60 kW,which meet the design requirements of the electromagnetic performance of the motor.The maximum temperature of the motor is 133.8℃,which will not cause irreversible demagnetization of permanent magnets and damage of winding insulation layer,meanwhile the cooling structure meets the design requirements.
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