Jan. 25 -- RusHydro issued the following news release:
At the Saratovskaya HPP, the modernization of the hydroelectric unit with station number 2 was completed, during which the hydroturbine was replaced. This is the sixteenth updated hydroelectric unit out of 24 operated at the Saratov hydropower plant. The work is carried out within the framework of the RusHydro HPP Comprehensive Modernization Program.
In the course of modernization, the turbine impeller, impeller chamber, turbine cover and shaft, turbine bearing, guide vane, and auxiliary equipment were replaced. The new hydraulic turbine has improved technical characteristics and meets modern environmental safety requirements. Also, the new machine is more efficient, after the planned procedure for re-marking the equipment, the capacity of the hydroelectric unit will increase by 10% - up to 66 MW.
The installation of the turbine was carried out by employees of JSC Gidroremont-VKK, a subsidiary of RusHydro. After completion of the work, the hydraulic unit successfully passed 72-hour load tests and was put into operation. Modernization continues with the replacement of hydraulic turbines at hydroelectric units with station numbers 12, 17 and 20.
The modernization program of the Saratovskaya HPP provides for the renewal of all hydroelectric units of the station. The supplier of the new hydro turbines is Voith Hydro, while some of the equipment is manufactured in Russia, at a plant in Balakovo. After the completion of work on the renewal of hydroelectric units, scheduled for 2026, the plant's capacity will increase to 1505 MW.
RusHydro is implementing the Program for the Comprehensive Modernization of Hydro-Generating Facilities, under which it is planned to replace half of the fleet of turbines, generators and transformers at RusHydro's HPPs and PSPPs. Such a large-scale program for updating obsolete and worn-out equipment for the domestic energy sector is unique and unprecedented. Its peculiarity is the focus not on the spot replacement of individual components and assemblies, but on the comprehensive modernization of generating facilities as single technological complexes, with the replacement or reconstruction of the main and auxiliary equipment, plant-wide systems, hydraulic structures.
Since the beginning of the program, 128 hydraulic turbines, 111 generators, 80 power transformers, more than 10,000 units of auxiliary equipment (including equipment for hydraulic structures and secondary switching) have been replaced and reconstructed at HPPs. As a result of the replacement of equipment with a more efficient one, the capacity of RusHydro's HPPs being upgraded increased by 465 MW.
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