摘要
针对京沪高速铁路牵引供电电缆绝缘击穿事故,对单芯27.5 kV牵引供电电缆的结构、特点进行了分析,对不同长度的牵引供电电缆接地方式提出相应的整改措施。
With regards to insulation breakdown accident of traction power supply cables on Beijing-Shanghai high speed railway, the structures and characteristics of 27.5 kV single core traction power supply cables are analyzed, relative modification measures are offered for earthing modes of traction power supply cables of different lengths.
出处
《电气化铁道》
2017年第5期86-90,共5页
Electric Railway
关键词
供电电缆
接地方式
绝缘击穿
应用改进
Power supply cable
earthing mode
insulation breakdown
application and improvement