110 kV «Mzymta» Substation with Electric Power Transmission Lines Leads-in

The Project Technical-Economic Indices

• Total area, m² - 6150.
• The 110/10 kV substation - transit type.
• Quantity of 110 kV voltage connections, pcs - 2.
• The 40000-115/10.5-10.5 kV power transformers with the on-load transformer control, pcs - 2. 
• The ТСЗ-250/10.5/0.4 У3 auxiliary needs transformer, pcs - 2.
• The 110 kV switchgear scheme: GIS based on the quadrangle scheme with possible transfer to the hexagon scheme with perspective connection of two reserve lines.
• The 10 kV switchgear scheme: one single, sectionalized by the circuit breaker, busbar system.
• The oil header of the 50 m3 volume, pcs - 1.
• The fire-fighting water storage reservoirs of the 90 m3 volume, pcs - 6.
• Construction time period, months - 16.

Brief Description of Main Solutions

   The equipment location intrinsic feature is compactness. In the «Indoor Substation Building» are located two 110/10 kV power transformers, 110 kV packaged GIS; provided for are the other premises, required for the substation functioning.

Provided for is the 110 kV cable lines lead-in from the adjacent substation, as well the 10 kV cable lines lead-outs for the electric power supply to the transformer substations, transmitting the electric power to the objects of the sports infrastructure (in 2014 the Olympic Games objects).

Regarding the nature features of the ground area for the substation location, there have been realized the measures aimed at the coast protection, mud stream protection, water discharge, hydraulic insulation.

The substation functions in the non-servicing mode. The technical solutions have been taken based on the territory seismicity (9 Number).