The leading Russian infrastructure holding company "Natsproektstroy" has begun testing the contact network for the Moscow-St. Petersburg high-speed railway. This was reported by the construction holding's press service.
All elements of the contact network are made in Russia and are designed for increased loads from high-speed trains.
The CS-400 contact network is the only one in Russia capable of transmitting electricity to trains traveling at speeds up to 400 km/h. For better conductivity, the cross-section of its contact wire has been increased: 150 mm versus 100 mm on conventional roads.
The pilot line was built on the VNIIZhT experimental ring in Shcherbinka, where supports were installed and wires were rolled out. The reinforced supports are able to withstand high vibration loads, and the depth of their foundations is 6 meters from the surface of the earth, which is comparable to the height of a two-story building. The service life of such supports is 70 years.
Testing will last until February 2026, during which Natsproektstroy will test the structure's resistance to temperature changes and reliable operation in various weather conditions.
The "Key Systems and Components" Group of Companies (KSK Group) will begin production of components for the Moscow-St. Petersburg HSM high-speed train in 2025, having signed a contract with the train developer, Ural Locomotives LLC.
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