在大量的试验分析和理论分析的基础上，阐明了轴承起动力矩与动态力矩的相关因素。
On the basis of experimental and theoretical analysis, the paper presents influence of the relevant factors on the bearing' s starting and running torque.
同时针对转子铸铜后，电机起动力矩降低的问题，提出了优化转子槽面积、增加PTC等解决办法。
A solution was given to improve the starting torque by the optimal design of rotor slot and using the PTC.
同时针对转子铸铜后，电机起动力矩降低的问题，提出了优化转子槽面积、增加PTC等解决办法。
A solution was given to improve the starting torque by the optimal design of rotor slot and using the PTC.
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