Power Machines completed the reconstruction of the hydraulic unit number 4 Cheboksary HPP

After the completion of all the work and conduct commissioning tests by specialists of the branch of JSC "RusHydro" — "Cheboksary HPP", contract assembly companies and chief engineer of JSC "Power Machines" hydraulic unit number 4 is put into operation.

Cheboksary power plant (JSC "RusHydro") together with OJSC "Power Machines" completed the reconstruction of another hydro — with the station number 4.

In accordance with the program of comprehensive modernization "RusHydro" engineers factory rebuilt steering vanes of the impeller and turbine Kaplan regained its mode of operation. The upgrade will change the angle of rotation of the impeller blade of the turbine as a function of load and pressure, thus providing maximum power generation hydraulic unit at a minimum flow of water.

In addition, during a large-scale redesign of the hydraulic number 4 professionals affiliated company "RusHydro" — JSC "Turboremont-WCC" — replaced the iron rim of the rotor of the generator with the new.

After the completion of all the work and conduct commissioning tests by specialists of the branch of JSC "RusHydro" — "Cheboksary HPP", contract assembly companies and chief engineer of JSC "Power Machines" hydraulic unit number 4 is put into operation.

"Power Machines" began the reconstruction of the Cheboksary hydroelectric power plant in 2007, with the modernization of the mechanism of rotation of the blades of the impeller number 7. In 2010 — 2012 years of power engineering company revolutionized the impellers hydroelectric number 16 and number 8. In 2011, "Power Machines" and "RusHydro" entered into a contract for the reconstruction of seven other runners Cheboksary HPP. Currently, the "Power Machines" restore the Kaplan operation of the impeller hydraulic number 15, which is scheduled to work in the 3rd quarter of 2013. For a similar upgrade to the factory delivered to the body, blades and other components of the impeller another turbine — with the station number 6. Its commissioning is scheduled for the 4th quarter of this year. Delivery of the last of the seven reconstructed impellers is scheduled for May 2016.

Cheboksary HPP hydro units are environmentally friendly design with oil-free bushings impellers. This project was developed in the 1970s at the Leningrad Metal Plant, which in 1980 produced the equipment for the Cheboksary and Nizhnekamsk HPP. In 2006, "Power Machines" completed the project of reconstruction of the existing impeller.

In October 2012 "Power Machines" and "RusHydro" expanded cooperation to upgrade the Cheboksary hydroelectric power plant, signing a contract for the modernization of the eight hydroelectric generators. After their examination and project development specialists "Power Machines" will produce eight sets of stators with the necessary equipment for a complete set of hydraulic. In addition, the specialists of "Power Machines" will provide installation supervision supplied hydraulic equipment. Delivery of the first of the eight sets scheduled for January 2014, the last — in February 2017.

"All of hydroelectric stations are reconstructed based on their work at the project level Cheboksary reservoir 68 m, which were designed and hydropower, and its equipment, — the chief engineer of the branch of JSC" RusHydro "-" Cheboksary HPP "Eugene Schegolkov. — Modernisation aimed at improving the reliability and safe operation of the power plant equipment, reducing operating and maintenance costs. "

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