The project involves upgrading 63 km of the existing railway on both the Asian and European shores and connecting it with the 14 km cross-Bosporus link, creating a 77 km cross-city commuter corridor in Istanbul linking Gebze and Halkali.
A third track is to be laid alongside the existing double-track route to accommodate inter-city and freight services, with the complete renewal of the overhead electrification and signaling system.
EyM, a fully owned subsidiary of OHL Spain, bears the overall responsibility for the overhead electrification system including the power supply. Hitachi ABB Power GridsB has been selected as a subcontractor for the entire traction power supply package.
Hitachi ABB Power Grids' scope of supply covers turnkey delivery of the 25 kV single-phase traction power supply system comprising the design, supply, installation, testing and commissioning of six 154 / 25 kV 50 Hz traction substations and their TEIAS grid connections, one 34.5 / 25 kV 50 Hz temporary traction substation and its TEDAS grid connection, five 25 kV 50 Hz sectioning posts and the substation automation system based on IEC 61850.
||154 kV, 50 Hz
34.5 kV, 50 Hz
||36 MVar dynamic compensation