线路纵差保护
transmission line protection
line current differential relay
line differential protection
光纤纵差保护
optical fiber differential protection
optical fiber longitudinal differential protection
fiber-optical current differential protection
optical longitudinal differential protection
Optical-fiber Longitudinal Differential Protection
optical-fiber line differential protection
line differential protection
Fiber-optic Differential Protection
铁路线路保护监控装置
integrated protection and control device for railway substation
10kV线路保护
10 kV transmission line protection
110kV线路保护
110 kV power lines protections
常规线路保护
conventional transmission line protection
超高速交流线路保护
ultra-high-speed protection for AC transmission line
超高速线路保护
super high-speed route protection
超高速直流线路保护
ultra-high-speed protection for DC transmission line
电子控制保护线路
electronic control and protection circuits
高压线路保护
high-voltage line protection
HV transmission line protection
供配电线路保护
distribution line protection