地铁牵引供电系统直流馈线保护技术探究

地铁直流牵引供电系统是地铁系统的重要组成,直流馈线保护技术是地铁直流牵引供电系统的核心。我国地铁牵引供电系统的研究起步晚,在快速的地铁发展中供电系统出现了许多问题,供电系统保护装置的可靠性在不同程度地下降。馈线保护技术是关系到直流牵引供电系统可靠性的关键因素,是保护地铁牵引供电系统正常运行的重要保障。

The direct current(DC)traction power supply system is an important part of subway system.DC feeder protection technology is the core of metro DC traction power supply system.The research of metro traction power supply system in our country started late,many problems appeared in the power supply system in the rapid development of subway,thus the reliability of the protection device of the power supply system declined in varying degrees.Feeder protection technology is a key factor related to the reliability of DC traction power supply system,so it is an important guarantee to protect the normal operation of subway traction power supply system.