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我组在更换东风型内燃机车ZCE—14型测速发电机电枢时,对电枢进行电气检验,发现有反常现象。经分析研究,发现该电枢为双闭路双叠绕组,无法使用。因此将其改为单叠绕组,通过实践,效果较好。现将对双闭路双叠电枢绕组的鉴别与改制的方法介绍于下: 一、现象电机领来后,按图1所示方法逐个检查整流片间电压,发现相邻各片间电压均为零。怀疑是输入电源线与整流子接触不良,于是移动接触位置,继续测量片间电压。结果是第一次
During the replacement of the armature of the ZCE-14 tachometer armature of the Dongfeng diesel locomotive, our group conducted an electrical inspection on the armature and found that there was an anomaly. After analysis and research, we found that the armature is a double-closed double-coil winding and can not be used. So it will be changed to a single winding, through practice, the effect is better. Now the double closed double-armature winding identification and restructuring methods are described below: First, the phenomenon of motor leads, according to the method shown in Figure 1 one by one to check the voltage between the rectifier, found that the voltage between adjacent films are zero. Suspect that the input power cord and commutator poor contact, then move the contact position, continue to measure the voltage between the films. The result is the first time