Reconstruction of external power supply for Substation 208 HV

Assignor:
LUKOIL Neftohim Burgas AD

Location:
Burgas

Assigned: 2014 / Completed: 2014

Project description

Project concerns retrofit of Switchgears No. 11 and No. 16 by substitution of oil circuit breakers with vacuum ones, and reconstruction of relay compartment by installation of longitudinal differential protection SIEMENS type 7SD610.

Activities

  • Elaboration of detailed design for reconstruction of two 6 kV cubicles in Main Step-down Substation GPP-2, power supplying Substation 208 HV;
  • Delivery and installation of vacuum circuit breakers into metal carriages; installation and commissioning of busbar system;
  • Construction activities: excavations, framework, concrete activities, installation of steel structures;
  • Delivery, installation, programming, set-up, and commissioning of digital differential protection; overall substitution of secondary equipment and secondary commutation in the relay compartment;
  • Delivery and installation of cable grids;
  • Delivery and splicing of fiber-optic cables;
  • Commissioning works and putting all the installed equipment under operational use.

 

 

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