摘要
深入研究了机车牵引电机速率特性的准确计算问题.首先分析了传统设计方法存在的问题,指出没有正确考虑电机内磁场三维分布的影响是造成速率特性计算不准的根本原因,为此,提出了直流牵引电机的二维电磁场计算修正模型.通过考虑机座的有效长度、端部漏磁以及电枢的有效长度等因素,消除了计算误差,圆满地解决了牵引电机速率特性难以准确计算的难题.最后,通过大量计算与实验结果的对比证明本文方法的正确性,并给出了工程设计曲线.
The design method of DC traction motor is thoroughly studied First, the cause of the traditional design method giving rise to error on calculating the velocity performance of DC traction motor is analyzed Then a modified 2D electromagnetic field model for the computation of DC traction motor is presented, by which the 3D effect of magnetic field distribution in the motor is completely considered and the defect of the traditional method being incapable of calculating the motor velocity performance accurately is overcome Finally, the method presented in the paper is applied to analyze sample motors, and the experimental results convincingly support the method
出处
《煤炭学报》
EI
CAS
CSCD
北大核心
2000年第1期109-112,共4页
Journal of China Coal Society
关键词
直流牵引电机
电磁场分析
速率特性
机车
DC traction motor
electromagnetic field analysis
velocity performance
design model
