高压交流电机定子线圈制造工艺改进

Improvement in manufacturing technology of stator coil for high voltage AC motor

少胶真空压力浸漆(VPI)绝缘体系在高压电机制造中已经得到了广泛应用。本文对少胶VPI工艺中线圈的制造工艺进行研究,对线圈各个制作工序作用、价值及改进的可能性进行分析,提出了现行工艺存在的问题和改进措施,并制作线圈试样进行性能对比测试。结果表明:传统线圈制造过程中存在耗时耗能的非必要工序,可以通过改变绕线模形状、包覆预包绝缘层等方式进行改进,改进后的线圈制造工艺相比改进前,具有线圈性能优、制造周期短、生产成本低、工作效率高和更加环保的优势。

Low glue vacuum pressure immersion(VPI) insulation system has been widely used in the manufacturing of high voltage motor.In this paper,the coil manufacturing process in low glue VPI process was studied,and the effect,value,and improvement possibility of each coil manufacturing process were analyzed.The existing problems and improvement measures of the current process were proposed,and a coil sample was made to conduct properties comparison tests.The results show that there are unnecessary processes that consume time and energy in the traditional coil manufacturing process,which can be improved by changing the shape of winding former and coating pre-coated insulation layer.Compared with the previous coil manufacturing process,the improved coil manufacturing process has the advantages of better coil performance,shorter manufacturing cycle,lower production cost,higher work efficiency,and more environmentally friendly.