电气化铁路27.5 kV电缆护层保护器参数研究*

何常红, 韩凌青, 方怡, 王生龙, 郭琦沛, 李少鹏

Research on Grounding and Sheath Protector Parameters of AC 27.5 kV Single Core Cable for Railway Electrification

HE Changhong, HAN Lingqing, FANG Yi, WANG Shenglong, GUO Qipei, LI Shaopeng

表5 27.5 kV电缆个别参数

电缆规格/ mm2 屏蔽铜丝 根数n n(1/n-1) 电缆导体半径rc/mm 金属屏蔽半径r/mm 1×95 42 1.095 4 5.85 20.185 1×120 42 1.095 4 6.55 20.885 1×150 42 1.095 4 7.3 21.635 1×185 59 1.072 8 8.15 22.485 1×240 59 1.072 8 9.2 23.535 1×300 84 1.054 8 10.3 24.635 1×400 84 1.054 8 11.75 26.085