Assignor
LUKOIL Neftochim Burgas AD
Location
Burgas
Assigned: February, 2020/ Completed: December, 2020
Project envisages modernization of the 110 kV Switchyard in 110/20/6 kV Substation Rosenets. Subject to substitution is the existing 110 kV equipment, also the control and relay panels in 110 kV Switchyard. Renovation and construction of concrete structures, rehabilitation and installation of cable routes are also set in the project.
Description of the dismantle works, construction and concrete works, electrical installation activities (primary and secondary commutation), subject to execution:
- Dismantle of existing 110 kV equipment, primary commutation: circuit breakers, combined measuring transformers, current measuring transformers, surge arresters.
- Dismantle of control panels from 110 kV Switchyard.
- Delivery and installing steel galvanized structures for 110 kV equipment.
- Renovation of concrete structures: foundations, gates, columns and rigels.
- Construction of concrete foundations for control panels.
- Delivery, installation and connection of power and control cables.
- Construction of cable routes and cable ducts.
- Delivery and installing 110 kV equipment SIEMENS: circuit breakers SF6, combined measuring transformers, current measuring transformers, surge arresters.
- Manufacturing, delivery and installing control and relay panels in 110 kV Switchyard.
- Installing and set-up digital relay protection in control panels.
- Control tests and measurements, putting all systems and equipment installed under operational use.
