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Blade snaps off Siemens turbine at new US project  

Incidents involving the Siemens 2.3 turbine are relatively few. However, in 2010 a blade broke off a 2.3MW turbine at the 322MW Whitelee wind farm in Scotland, UK.

Credit:  10 April 2013 by Diane Bailey | Windpower Monthly | www.windpowermonthly.com ~~

A rotor blade on a Siemens SWT-2.3-108 wind turbine broke off at MidAmerican Energy’s 200MW Eclipse wind farm in Iowa.

According to reports, a company service technician discovered the blade on the ground on Friday.

Siemens has launched an investigation of the incident. “We don’t know yet why this happened, but we are committed to conducting a detailed engineering analysis to determine the root cause,” Siemens said in a statement.

There were no reports of injuries. The blades for the Eclipse project were manufactured at the company’s facility in Fort Madison, Iowa. MidAmerican announced completion of the project in early January.

Siemens was handed the contract from MidAmerican for Eclipse in February last year. The deal was part of a 407MW supply contract that includes two other projects.

Previous incidents

Incidents involving the Siemens 2.3 turbine are relatively few. However, in 2010 a blade broke off a 2.3MW turbine at the 322MW Whitelee wind farm in Scotland, UK.

Following that incident, Siemens said an examination of the broken blade revealed a “material defect in the laminate”. The company said these could be the result of changes to the manufacturing process.

[rest of article available at source]
Source:  10 April 2013 by Diane Bailey | Windpower Monthly | www.windpowermonthly.com

This article is the work of the source indicated. Any opinions expressed in it are not necessarily those of National Wind Watch.

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