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Pumped Storage Power Station, Vianden, Luxemburg

The Project:

Extension of the pumped storage power station at Vianden by an 11th machine, Lot 1 – Structural installations, Luxemburg

Companies involved:

Ed. Züblin AG, IU Directorate - Tunnel Construction, Stuttgart

Strabag AG, IQ Directorate, Vienna

Jäger Bau GmbH, Schruns

The largest pumped storage power station in Europe in the township of Vianden in Luxemburg, with a peak capacity at the present time of 1,100 MW, is being extended by a further turbine with a capacity of 200 MW. The construction work includes the carcase work for the cavern, as well as the access galleries, shafts, and intake and outlet structures.

The Problem:

Fresh water supply by means of submersible pumps for the washing area, drill carriages, etc. Keeping the water clear by means of submersible pumps during the driving of the tunnel.

The Solution:

Use of Tsurumi dirty water pumps of widely differing types: KTZ22.2, KTZ35.5, KTZ47.5, tough, robust pumps in cast iron design for clearing water from the drift or heading face, KRS2-150 with stirring mechanism for sludge disposal, and LH25.5W high-pressure pump for removing water from the entire tunnel stretch.

In the event of abrasive and corrosive utilization, stronger wear and tear will take place naturally in certain components. With regards to the above application wear and tear can take place mainly in impeller, agitator, suction plate, shaft sleeve, oil ring, mechanical seal, pump casing, strainer, motor casing and discharge coupling. Depending on the working conditions the lifetime of those parts might vary significantly and can be shorter than the legal warranty period.
In this regard, please pay attention to our general terms and conditions that we also send to you by mail on request.