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。
Based on the principle that an equivalent full-pitch, concentrated winding gives the same fundamental MMF as the actual one, the effective number of turns of the equivalent winding is obtained.
根据等效整距集中绕组与实际绕组产生相等基波磁动势的原则，给出了实际定子绕组与转子绕组的总有效匝数表达式。
Meanwhile, the single pitch fractional-slot winding research was also carried out, calculating the winding factor and analysis the influence of current on winding inductance.
同时，还对单节距分数槽绕组进行研究，计算了电机的绕组因数，分析绕组电流对电感的影响。
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