Library filed under Structural Failure from Michigan

Another GE turbine blade breaks off, leading to further investigation

“Out of caution, all turbine commissioning and turbine operations at the wind farm have been suspended,” Invenergy says. “We are working with GE, the turbine manufacturer, to determine the cause of this incident. Following a GE blade break on Nov. 7, utility DTE Energy has also ceased work on its 112 MW Echo Wind Park in Michigan. Scott Simons, a DTE Energy spokesperson, recently told NAW that GE was performing a reliability test on a turbine when the blade fell.
19 Nov 2013

‘Here at DTE, we have a lot of questions as well’

The blade that broke was going through a testing period but hadn’t been fully commissioned, according to DTE. CO-84 was turning when it broke into the three pieces. Two parts of the blade fell right underneath the turbine, while a third piece traveled 80 feet and landed on the access road to the turbine. “As a result of the failure we have shut down Echo,” Chriss said at the meeting.
15 Nov 2013

GE blade crashes to the ground at DTE wind farm

DTE has halted construction of the remaining 10 turbines and shut down the entire wind park. “We have ceased all work and operation on the project until we’re satisfied with what the root cause is and that it doesn’t pose a danger of any continued blade failure. We’re working with GE to determine the root cause. It’s still under investigation.”
13 Nov 2013

Another turbine blade breaks in Huron County

It was the third turbine to break in Huron County in the last 10 months and the second turbine owned by DTE to break down in that time. In March, a turbine blade in Sigel Township broke ...In addition, a turbine was struck by lightning near Minden City at the Michigan Wind Project 2 in September. The turbine, owned by Exelon Energy also lost a blade and was set to be back online this week.
9 Nov 2013

DTE explains broken turbine blade

“The cause for the blade breaking was a carbon failure at the 19-meter mark that was not formed properly,” Buda said. “Failure in the heating oven at the plant caused the blade to break later on.” ...properly made wind turbines can handle wind speeds up to 125 mph.
4 Oct 2013

Predictions of turbine's demise premature

It took four months after the initial breakdown to find and obtain a part from Europe at a cost of almost $38,000. Workers installed the new part on Jan. 4, but it failed two days later. The supplier eventually replaced it after another lengthy search. The part was installed April 16. It lasted three days.
15 Jun 2013

DEQ looks to Kalamazoo community college for $38,000 repair job to Bay City wind turbine

Nearly sixth months have gone by since the $250,000 wind turbine produced any electricity. ...They would have the turbine's original manufacturer, Canada-based Entegrity Wind Systems, repair the system, but the company filed for bankruptcy in late 2009, months after installing the unit. "It's kind of annoying ...We had a 20-year maintenance agreement with them, all for naught."
16 Sep 2011
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