Turnkey construction of the 33/110 kV Substation Visoka – Kukuzovac – electrical part, enabling the connection of the ST3-1/2 Visoka Zelovo Wind Farm with a total connection capacity of up to 53 MW for the client Zelovo d.o.o.
Equipement Delivered
- 110 kV busbar system
- Two (2) 110 kV line bays, one (1) 110 kV bus-coupling bay, and one (1) 110 kV transformer bay
- Earthing system, lightning protection, and outdoor lighting
- 33 kV switchgear, 33 kV connection to the 63 MVA 110/33 kV transformer, and 33 kV neutral point earthing resistor
- Auxiliary AC power supply system (400/231 V, 50 Hz) with an auxiliary diesel generator and auxiliary DC power supply system (220 V DC) for the Wind Farm Operator's needs
- Auxiliary AC power supply system (400/231 V, 50 Hz) and auxiliary DC power supply system (220 V DC) for HOPS needs
- Relay protection system for 110 kV line bays, 110 kV transformer bay, and 110 kV busbars – under HOPS jurisdiction
- Relay protection system and automatic voltage regulation (AVR) for the 110/33 kV transformer, relay protection for the 33 kV resistor and 33 kV switchgear – under Wind Farm Operator’s jurisdiction
- Control, signaling, billing, and operational measurement systems
- Telecommunication system under HOPS jurisdiction
- Fire alarm system under HOPS jurisdiction and under Wind Farm Operator’s jurisdiction
- Station computer under HOPS jurisdiction and integration into the remote control system (CDU/NDC HOPS)
- Station computer under Wind Farm Operator’s jurisdiction and integration into the Wind Farm Operator's remote control system (CDU)
Scope of Work
- Preparation of the complete main and detailed electrical design
- Preparation of relay protection settings
- Facility construction – electrical part on a turnkey basis
- Parameterization, configuration, testing, and commissioning of all delivered equipmentParameterization, configuration, testing, and commissioning of all delivered equipment
