本文论述了作者本人在印度铁路重载客货运输用直流牵引电动机运用和维修管理方面的经验,着重论述了牵引负载的性质及其对可靠性和性能问题的改善之影响。还介绍了他对消除这些问题的产生根源所采取的成功的方法,这些方法甚至对最佳的牵引电动机的设计和制造也起了作用。 This article discusses the author’s own experience in the use and maintenance of DC traction motors for Indian railroad heavy haul passenger and freight transport, focusing on the nature of traction loads and their impact on reliability and performance improvement. He also introduced his successful approach to eliminating the root causes of these problems, which even played a role in the design and manufacture of the best traction motor.