1.磁极系统损坏的确定牵引电动机磁系统故障之一是磁极线圈匝间短路。为了找出故障所在,必须将牵引电动机磁系统解体,这是现有检查方法的缺点。这种方法会花费大量的人力和时间:因而限制了在机务段中推广使用。为减少这种繁重的工作,提高生产率,全苏铁道运输科学研究院研制了体积不大的脉冲装置(图1),它可以最有效地找出磁极线圈 1. Pole system damage to determine one of the traction motor magnetic system fault is a short circuit between the poles of the coil. In order to find out the fault, the traction motor magnetic system must be disassembled, which is a disadvantage of the existing inspection methods. This method can take a lot of manpower and time: thus limiting the promotion in the depot. In order to reduce this heavy workload and improve productivity, Quanzhou Railway Research Institute of Science developed a small pulse device (Figure 1), which can be the most effective in finding the pole coil