The purpose of this contract is the supply of an HV/HVA transformer and the carrying out of works to modify the electrical supply circuits of the auxiliaries of the PEBERNAT hydroelectric development (09)

The purpose of this contract is the supply of an MV/HVA transformer and the carrying out of works to modify the electrical supply circuits of the auxiliaries of the PEBERNAT hydroelectric development (09) and in particular:

• Studies of executions and sizing of equipment;

• Manufacture of the new transformer,

• Workshop tests of the new transformer,

• Transport/unloading of the new transformer on site,

• Assembly and installation of the new transformer on site,

• Site inspection and commissioning assistance,

• Oil analysis before commissioning and after 6 months of operation;

Main objectives and constraints:

Brief description of the supply:

■ A three-phase transformer with its bushings (and extensions if necessary), operating as an elevator;

■ A de-energized socket switching device (CPHT) on the HVB side;

■ The transformer cooling system;

■ The conservator of the transformer;

■ All transformer accessories;

■ The transformer first fill oil;

■ Spare parts.

Main features of the device:

Power: 12 MVA

Tension HTA : 10 kV

HVB voltage: 65.25kV ± 2*2.5%

Refrigeration: ONAN

Frequency: 50 Hz

Coupling index: YNd11

Ucc : 8,95 %

The transformer will comply with the ecodesign directive (maximum values of load and no-load losses to be respected).

The main objectives and constraints of the Market are as follows:

- The operation is scheduled for the transformer to arrive on site in June 2025 and be installed at its final location in August-September 2025.

This list is not exhaustive. The total scope will be described in specifications that will be attached to the consultation file, sent only to the candidates preselected at the end of this call for applications.