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典型文献
Temperature Rise Calculation and Velocity Planning of Permanent Magnet Linear Synchronous Motor under Trapezoidal Speed
文献摘要:
For permanent magnet linear synchronous motor (PMLSM) working at trapezoidal speed for long time, high thrust brings high temperature rise, while low thrust limits dynamic performance. Thus, it is crucial to find a balance between temperature rise and dynamic performance. In this paper, a velocity planning model of the PMLSM at trapezoidal speed based on electromagnetic-fluid-thermal (EFT) field is proposed to obtain the optimal dynamic performance under temperature limitation. In this model, the winding loss is calculated considering the acceleration and deceleration time. The loss model is indirectly verified by the temperature rise experiment of an annular winding sample. The actual working conditions of the PMLSM are simulated by dynamic grid technology to research the influence of acceleration and deceleration on fluid flow in the air gap, and the variation rule of the thermal boundary condition is analyzed. Combined with the above conditions, the temperature rise of a coreless PMLSM (CPMLSM) under the rated working condition is calculated and analyzed in detail. Through this method and several iterations, the optimal dynamic performance under the temperature limitation is achieved. The result is verified by a comparison between simulation and prototype tests, which can help improve the dynamic performance.
文献关键词:
作者姓名:
Xuzhen Huang;Zheng Wang;Yiwei Zhang;Qiang Tan
作者机构:
Department of Electrical Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China
引用格式:
[1]Xuzhen Huang;Zheng Wang;Yiwei Zhang;Qiang Tan-.Temperature Rise Calculation and Velocity Planning of Permanent Magnet Linear Synchronous Motor under Trapezoidal Speed)[J].中国电工技术学会电机与系统学报(英文),2022(03):225-234
A类:
Trapezoidal,CPMLSM
B类:
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AB值:
0.534006
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