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Wärtsilä provides environmental seal system to hydro plant in Nebraska

Wärtsilä Corporation
  • Press release
10 六月 2016 at 10:30 E. Europe Standard Time

Wärtsilä, a global leader in complete lifecycle power solutions for the marine and energy markets, will help Loup River Public Power District reduce its lifecycle costs by converting the oil lubricated seals and bearings to water-lubricated equipment, in its Monroe Powerhouse. The conversion of the first turbine shaft will take place in the summer of 2016, and the conversion of the remaining two turbines is planned to take place in 2017, together with the installation of a Water Quality System.

Loup Power, located in the US state of Nebraska, is a public utility that produces hydropower for four counties via its two power plants, the Monroe and Columbus Powerhouses, which produce a total of 56 megawatts. Both are located on a canal system which diverts water from the Loup River. Loup Power has experienced challenges with its existing turbine seal solution. It has been prone to grooving leading to water entering the guide bearing, mechanical failure and turbine downtime. A move to a more reliable seal and bearing solution is of significant interest to the Loup River Public Power District.

"Wärtsilä offered a complete package that we could not find anywhere else: seals, bearings and services from the same provider. The Water Quality System will provide lubricant water for the three turbines conveniently from the canal. All-in-all, this is a great combination that will improve reliability and reduce downtime as well as future maintenance costs," says Brad Morton, Hydro Superintendent from Loup River Public Power District.

Space issues solved with split design

Limited space and costs associated with a complete tear-down required the turbine and shafting to remain in place. Wärtsilä needed to come up with a solution that would allow the shaft to remain in-situ for the conversion. The challenge was solved by choosing seals and bearings with a split design. The bearing and seal segments can be easily installed in small spaces, facilitating installation and maintenance operations.

"We are very glad to be able to help Loup Power enhance the lifecycle efficiency of its turbines and avoid unnecessary downtime. Wärtsilä's mission is to provide environmentally friendly solutions to our customers, and Loup Power's business focuses on ecologically conscious production of renewable energy. This is a perfect match, and we are looking forward to this cooperation," says Harald Brodmann, Hydro & Industrial Segment Manager, Wärtsilä.

Link to image (Courtesy of Loup River Public Power District)
Caption: Loup Power provides hydropower for four counties in Nebraska, US.

 

For further information, please contact:

Harald Brodmann
Global Segment Manager
Wärtsilä Services
Tel: +49 4075 1900
harald.brodmann@wartsila.com

Alexandra Peacock
Marketing Manager
Wärtsilä Services
Tel: +44 (0) 2392 400 0121
alex.peacock@wartsila.com

 

Wärtsilä Services in brief
Wärtsilä Services creates lifecycle services for its customers, enhancing their business - whenever, wherever. We provide industry's broadest range of services for both shipping and power generation. Our solutions range from spare parts and basic support to ensuring maximised lifetime, increased efficiency and guaranteed performance of customer's equipment or installation - in a safe, reliable, and environmentally sustainable way.

Wärtsilä in brief
Wärtsilä is a global leader in advanced technologies and complete lifecycle solutions for the marine and energy markets. By emphasising sustainable innovation and total efficiency, Wärtsilä maximises the environmental and economic performance of the vessels and power plants of its customers. In 2015, Wärtsilä's net sales totalled EUR 5 billion with approximately 18,800 employees. The company has operations in over 200 locations in more than 70 countries around the world. Wärtsilä is listed on Nasdaq Helsinki.
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