Substations

SUBSTATIONS - CROATIA
1. SS Međurić 220/110kV

Investor: HOPS Croatia
Project description: in the 110 kV plant - reconstruction of fields =E1 to =E16 Construction works: geodetic works, dismantling of existing steel structures of busbar portals, demolition of existing portal foundations, earthworks, reinforced concrete works (construction of foundations and cable ducts), drainage, delivery and installation of a new steel structure, construction works in the plant building. Other works and services: geodetic works - geodetic survey of the as-built state, preparation of the detailed design and the as-built design. Electrical installation works: dismantling of old connection and suspension equipment, delivery and installation of new connection and suspension equipment, construction of 110 kV temporary structures (Tr1-Tr2, HZ Novska 1 and 2, DV Daruvar - Tr3), delivery and installation of lightning rods, delivery and installation of outdoor lighting equipment, delivery and installation of cable trays, delivery, laying and connection of signal and power cables.


2. SS Plat 220/110/35/20(10)kV

Investor: HOPS Croatia
Project description: Design development (main, detailed and as-built design), construction of steel lattice structure of towers, construction of steel lattice structure of apparatus stand(s) and portals, execution of construction and electrical installation works on the construction of the new SS 220/110/35/20(10) kV Plat, delivery of primary and secondary equipment, execution of construction and electrical installation works on the construction of connection transmission lines and cable lines with 220 kV, 110 kV, 35 kV and 20 kV voltage levels, functional testing and commissioning.

INTERNATIONAL

 
1. SS Kijevska 750/330kV
Investor: UKROENERGO
Project description: Design (detailed and as-built design), construction and electrical installation works, delivery and installation of primary and secondary equipment (circuit breakers, disconnectors, voltage and current transformers, surge arresters, relay protection and automation systems, AC/DC auxiliary power supply, communication equipment), functional testing and commissioning. 3 phases (1 set) of single-phase transformers 750/330/15.75 kV, Rated power: 3x333 MVA - 3 phases (1 set) of transformers with cross regulation 110 kV, Rated power: 3x92 MVA, 1X750 kV Transformer fields, 1X330 kV Transformer fields, 2X330 kV Conduction fields, Expansion of 330 kV busbars, double system, 5 fields

2. SS Vinnytska 750kV
Investor: UKROENERGO
Project description: Delivery and installation of 750kV disconnectors, delivery of voltage instrument transformers, surge arresters, supporting insulators, HF chokes and capacitors.

3. SS Mostar 7
Investor: Elektroprijenos BiH
Project description: (main and as-built design), obtaining permits (construction and use), delivery and installation of primary and secondary equipment, construction works. Functional testing and commissioning: 2 new energy transformers with rated power 40/40/27 MVA, produced by KONČAR-Distribution and Special Transformers·• d.d. Zagreb. transmission ratio 110/10.5(21)/10.5 kV with the scope of voltage regulation under load on the primary I IO±I0xl.5% kV or from 93.5 kV to 126.5 kV with 126.5 kV as the highest voltage of the primary winding.
12 pcs of high-voltage 110 kV conductive insulators, 18 pcs of self-supporting 20kV medium voltage switchgear, control and protection 110 kV, control and protection 20 and 10 kV, procurement of equipment, upgrading and testing of the remote-control system.

4. SS Mostar 4
Investor: Elektroprijenos BiH
Project description: Procurement of a power transformer 220/110/10.5 kV, 150 MVA, YNa0 d5. The scope of delivery included the following: design, manufacture, factory testing, transportation to the installation site, unloading at the installation site, supervision of installation, testing and supervision of commissioning of the power transformer: 150 MV A type A RZ150000-245 with the associated control switch and voltage regulator.