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The article describes the priorities in the sphere tokosеma to improve traffic safety, the development of high-speed and high-speed traffic. To ensure the normal functioning of traffic and rail transport need uninterrupted transmission of electricity. Diagnosis of elements of contact network is one of the important task to prevent power system faults, including those that could lead to an emergency situation. The article deals with the built-in diagnostic system, how they work, an embodiment of their application.

The article describes the structural scheme, the algorithmic basis, functional composition and some technological characteristics of the hardware and software of information system of operating control parameters of the electric power in the traction power supply network, structural peculiarities of information-measuring complex, the hub characteristics of the data collection substation, type of equipment used in information and computational complex structure of servers for processing and storage, data volumes and characteristics of the necessary communication lines.