直流电流-电压特性
DC current-voltage characteristics
变频交流牵引电机
Inverter-fed Traction Motor
高压直流牵引供电系统
high-voltage DC traction power supply system
高压直流牵引网
high voltage DC traction power grid
high-voltage DC traction network
牵引电流干扰
traction current interference
直流牵引变电所
direct current traction substation