直流与脉流牵引电机结构与制修要求(续) 第六讲 牵引电机的换向与改进换向的措施(续前)

Structure of DC and pulsating current traction motors and demands for their manufacture and maintenance

牵引电机温升试验包括持续温升试验及小时温升试验两种,文章介绍了其具体实施方法和技巧,以及实验时应注意的事项。详细分析了牵引电机进行风量与风压测试的全过程,并针对电机换向器表面局部烧黑的现象,分类型分析了其形成的原因,并提出相应的改进措施。

Introduced in this paper are the concrete methods and notices of traction motor temperature-rise test,which in cludes continuous temperature-rise test and hour temperature-rise test.Process of the wind quantity and wind pressure test for traction motor is analyzed in detail.In the end of the paper,measures are brought forward aim-ing at to im prove the commutation performance of traction motor.