Railway overhead contact line monitoring solution

[Keywords]  Rail Transit, Railway Overhead Contact Line, Fault Monitoring, Fault Localization, Traveling Wave Distance Measurement, Fault Cause Identification  

The railway overhead contact line serves as the sole power supply with no backup lines. Any fault-induced power outage directly halts train operations. Therefore, high timeliness is essential for emergency fault response in the railway overhead contact line system. Monitoring devices are installed at both ends of the contact wire, utilizing dual-end traveling wave distance measurement technology. This ensures precise fault localization and identification of fault causes, facilitating effective fault response and swift power restoration.




l Application

Applicable to railway overhead contact line circuits with a voltage of 27.5kV, widely used in various complex line configurations such as direct supply, AT (auto-transformer), hub connecting lines, T-joint power supply lines, and reinforcement lines.


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