Power Machines Company has completed delivery of the main equipment for replacing hydropower unit No.4 of Votkinsk HPP of RusHydro.
The replacement of all ten hydropower units (HPU) of power plant is envisaged by the agreement*, which was closed between RusHydro and Power Machines in 2014, and HPU No.4 will become the first renovated machine. As a result of project implementation, the installed capacity of Votkinsk HPP will be increased by 130 MW to equal 1,150 MW. All the works are being carried out in the framework of the Integrated upgrading program (IUP) of RusHydro.
Presently, the old equipment has been completely dismantled from hydropower units No.4. The stator of a new hydropower generator has been already installed, stator core test conducted, preparation to stator winding assembly, runner assembly at the erection site is underway under the supervision of professionals from Power Machines. Besides, the erection of new auxiliary equipment, oil pressure installation is in progress, runner chamber lining erection has been started, restoration works in hydraulic water-conveyance system section are underway.
It is scheduled to finish installation of the new equipment of HPU No.4 before the end of the first half-year period of 2017. The works involve turbine installation, including setting up the guide vanes assembly, generator erection with the assembly of rotor and electric diagrams. Apart from this, individual and functional tests, complex of start-up and commissioning works will be carried out to be crowned with the hydroelectric unit complex testing and commissioning into guarantee service. The new hydropower unit is scheduled to be put into operation in June 2017.
*Power Machines PJSC and RusHydro PJSC closed an agreement for complex replacement of ten hydropower units of Votkinsk HPP in 2014. The signature had been preceded by the tender, which had been won by Power Machines due to the best proposed technical and economical solution. In accordance with the provisions of this Agreement the Company has to design, manufacture and supply ten sets of water-power equipment to Votkinsk HPP, perform erection, installation supervision and start-up and commissioning works before 2026.