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首页> 外文会议>2017 18th International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering Book of Abstracts >The influence of asymmetrical distribution of rotor's magnets on the cogging torque of the multipolar machine: Wpływ niesymetrii rozłożenia magnesów wirnika na moment zaczepowy maszyny wielobiegunowej
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The influence of asymmetrical distribution of rotor's magnets on the cogging torque of the multipolar machine: Wpływ niesymetrii rozłożenia magnesów wirnika na moment zaczepowy maszyny wielobiegunowej

机译：转子磁体的不对称分布对多极电机齿槽转矩的影响：转子磁体的不对称分布对多极闭锁力矩的影响

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The paper presents the results of field calculations of cogging torque of a 12-pole torque motor with an 18-slot stator. A constant angular velocity of the magnet and the same size gap between n-1 magnets were assumed. In these conditions, the effect of change of the nth gap between magnets on the cogging torque was tested. Due to considerable length of the machine the calculations were performed for the 2D model. The nth gap for which the cogging torque assumed the lowest value was evaluated. The cogging torque of the machine with symmetrical magnetic circuit (the same size of gap between magnets) was compared to the one of the asymmetrical machine. With proper choice of asymmetry the cogging torque for the machine considered decreased by four times.
机译：本文介绍了带有18槽定子的12极转矩电机的齿槽转矩的现场计算结果。假定磁体的角速度恒定并且n-1个磁体之间的尺寸间隙相同。在这些条件下，测试了磁体之间的第n个间隙的变化对齿槽转矩的影响。由于机器的长度很大，因此对2D模型进行了计算。对齿槽转矩取最低值的第n个间隙进行了评估。将具有对称磁路（相同尺寸的磁体之间的间隙）的电机的齿槽转矩与不对称电机的齿槽转矩进行了比较。通过适当选择不对称性，可以考虑将机器的齿槽转矩降低四倍。

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