Articles filed under Structural Failure from USA

Ocotillo turbine collapse investigation launched

Both this project and Siemens have a history of serious problems, however, leading to questions of whether federal or state oversight is needed to protect public safety. Ocotillo Wind, built by Pattern Energy, previously had a wind turbine fire in January 2015 and an 11-ton blade hurled off onto a public trail in May 2013, among other mechanical failures,  as we reported at the time. 
22 Nov 2016

Wind Farm Bill Got Caught in Turbulence

This year’s bill, The Military Operations Protection Act, was pitched by the senator as a way to make sure projects aren’t built that are incompatible with military flight paths. But critics have called it an attack on wind energy since it eliminates much of the state, including major portions of Eastern North Carolina, as potential sites for wind energy projects.
8 Jul 2016

The Independence Turbine in Kingston has been shut down due to mechanical problems

“We lease the land to them and have a power purchase agreement,” Bott said. “They’re paying us lease payments, and we're getting some tax on the personal property.” The town’s agreement doesn’t make allowances for shutdowns, however, so KWI is on the hook for paying Kingston regardless of whether the blades are spinning, he added.
21 Jun 2016

Out-of-control wind turbine ‘shook itself apart’ in Huron County

The turbine exceeded designed rotation speeds — 14.4 rpm (revolutions per minute) -- and at that speed, blade tips are moving at about 200 mph, according to Exelon. It created an imbalance as blades picked up speed. At the time of collapse, rotation speeds reached 18 rpm, officials said. “At that high of an rpm, the thing just basically shook itself apart.”
6 May 2016

http://www.windaction.org/posts?location=USA&p=6&topic=Structural+Failure&type=Article
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