Alstom to upgrade Markersbach generators, Germany

15 October 2015


Alstom has been selected to upgrade another generator in the Markersbach pumped-storage power plant in Saxony, Germany - its second order at the plant from Vattenfall Europe Generation AG.

The work, which is due to start in June 2016 and be completed by February 2017, follows a previous mandate made in August 2014 to upgrade another synchronous generator. This first renovation should be completed in the spring of 2016.

The overhaul comprises the delivery of a new stator, upgrading of the poles, bearings, bearing bracket and starting motor, as well as disassembly and re-assembly, including commissioning. A contractual option covers the overhaul of the remaining four generators. The expected rhythm of commissioning is of one generator per year.

Markersbach was commissioned in 1979 and has a power output of 1050MW. It is the second-largest pumped-storage power station in Germany and one of the largest hydropower plants of the kind in Europe. The renewal of the synchronous generators was necessary since some machine components, such as the generator stands, had reached the end of their service life and other parts are in need of repair. Greater operational safety as well as an increase in output (reactive power) will be achieved thanks to the upgraded machine, Alstom said.

 

 



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