本文介绍了低温、高海拔、低湿度、大风沙的格尔木地区起动发电机电刷严重磨耗的情况,分析了干燥、缺氧、风沙、刷压大、电密小等因素对电刷磨耗的影响。还列举了试验结果,指出了解决这一问题的措施。 This paper introduces the serious abrasion of brushless starter brush in Golmud region with low temperature, high altitude, low humidity and high winds, and analyzes the influence of dryness, anoxia, wind-blown sand, large brush pressure and small electrical stress on brush wear. Also cited the test results, pointed out that the measures to solve this problem.