Câmpia Turzii 220/110/20 kV Substation modernization

STAGES OF INVESTMENT

• In 2009, Transelectrica organized the tender procedure for the 3 phases – FS, TP and CS – for the Câmpia Turzii 220/110/20 kV Substation modernization
• In 2013, Transelectrica organized the final electronic stage for the assignment of the execution works
• The work was assigned to the association of the following companies: EnergoBit – leader, Siemens, Retrasib, having a duration of execution of 36 months

WORKS DESCRIPTION

• 220/110 kV – 200 MVA autotransformer installing
• Replacement of the old primary equipment with high performance equipment with reduced maintenance
• An integrated and opened command, control and protection system based on the exclusive use of EMS/SCADA numeric equipment has been implemented
• The system has been parameterized in order to allow its control and supervision from the top hierarchical level through dispatcher control (CT, DET, DEN)

• The existing scheme with 2 flexible collector bar systems has been preserved, the U-shape bar system 1 around bar system 2
• 19 cells were connected to the station bars
• A second 110/20 kV – 25 MVA transformer was installed
• The works were done in 2 stages
• The station was made with a single section bar with longitudinal coupling to each semi bar, being connected a 110/20 kV transformer
• New 20 kV cells were installed in the 20 kV connection body