SERBIAN RAILWAYS
EPP Installations

Section Belgrade

Section Nis

Section Novi Sad

In the section for the Electrotechnics, this service performs the activities of inspection, maintenance and remount of all types of electro-energetic installations, of different voltage levels (0,4kV, 10kV, 20kV and 110kV), remote control and automatics systems, electric installations in the buildings, external lighting and feeder cables (overhead and cable) of voltage levels (0,4kV - 110kV).
In the system for the supply of electric-traction stock there are:
  • High-voltage overhead lines 110kV (three-phase, single two-phase and two-phase) for the connection of EVP on the Electro System,
  • Electric-traction substations (EVP)- 110/25kV, 2x7,5MVA, of the total power installed 300MVA, in 20 installations,
  • Installations for the sectioning of overhead lines of the contact network (PS, PSN), and distribution installations 25kV, with 100 installations,
  • Remote control system - DU in EVP and PS - PSN. The whole managing is being done form three centers - CDU: Belgrade, Niš and Novi Sad.
The supplying of signal-safety and telecommunication systems with electric energy, as well as electromotive drives, electric installations and external lighting is done by:
  • Connecting high-voltage current supply lines (overhead and cable) for TS 10 (20)/0,4kV, with total length of 60 km.
  • Transformer station of different voltage levels: 10(20) / 0,4kV and 25/0,22kV, with total power installed 100 MVA in 250 TS.


The external lighting of railway installations in the railway stations, with over 10 000 reflectors and other kinds of lamps.

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