The paper discusses the matter of reliability of the windings of the asynchronous traction motors being part of the urban electrically powered vehicles, contains the characteristic curve of the stator failure-free operation probability, and refers to experimental data on the failure rate. The results can be used both at the design stage of asynchronous traction motors and while in operation to optimize the preventive maintenance.

中文翻译：

---

城市电力运输牵引电气设备的可靠性研究

本文讨论了作为城市电动车辆一部分的异步牵引电动机的绕组可靠性问题，包含了定子无故障运行概率的特性曲线，并参考了故障率的实验数据。该结果可用于异步牵引电动机的设计阶段，也可在运行中用于优化预防性维护。