介绍重载铁路扩能改造后,牵引供电系统的适应性及配套的改造措施,结合重载铁路自身的特点,较全面介绍几种重载铁路扩能改造措施,并理顺思路对重载铁路牵引供电系统改造方案有了一个由浅入深的分析,提出较为逻辑的牵引供电系统扩能改造方案。 This paper introduces the adaptability of traction power supply system and the supporting retrofitting measures after the expansion of the heavy haul railway. Based on the characteristics of heavy haul railways, this paper introduces several kinds of retrofit measures to expand the capacity of heavy haul railways, Traction power supply system transformation program has a shallow analysis, put forward more logical traction power supply system expansion project.