The change of 2-lays rotor winding constitution for 3-phase wound-rotor asynchronous motors of large and medium capacity from complete and short pitch as well as lead coils into complete and short pitch coils is discussed in this paper .

本文讨论了三相大中型绕线式异步电机的双层转子 绕组如何从传统的由整距线圈、短矩线圈及引线线圈组成的结构，改变成仅由整距及 短距两类线圈组成的 绕组结构。

The structure of similar pole and slot number can increase the winding pitch coefficient and reduce cogging torque ripple effectively with the reasonable combination of pole number and slot number .

极槽数相近结构不仅可以提高 绕组 短距系数，而且极数和槽数的合理配比能够有效地削弱齿槽转矩。

The main parameters of viscosity spinning temperature pressure and winding velocity for coal tar pitch fluid should be rigidly controlled during spinning .

在纺丝过程中，要严格控制煤 沥青熔体的粘度、纺丝温度、压力、 卷绕速度等主要参数。

In the speed and positioning experiment system of high speed maglev train the measurement accuracy is less than 3 ° of the winding pitch of the long stator and can meet the requirement of the operating control system of high-speed maglev train .

在高速磁浮列车定位测速试验系统中的实验表明，该检测方法的检测精度达到对应长定子直线同步电机 线圈 周期的3o，满足高速磁悬浮列车运行控制的要求。