Library filed under Structural Failure from Illinois

Blade failure at Grand Ridge wind site (2)

Dsc_6887_(medium)_thumb Two turbines at the 100.5 MW Grand Ridge Energy wind facility in La Salle County, Illinois, about 80 miles southwest of Chicago, experienced blade failures on July 23-24, 2010. A spokeswoman for Invenergy Wind said that, in the event of high winds, the turbines are designed to come to rest with one blade pointing down and parallel to the base of the tower. According to Invenergy, the winds came so quickly that the safety mechanism did not have time to engage.
10 Aug 2010

Blade failure at Grand Ridge wind site

Dsc_6892_-medium-_thumb Two turbines at the 100.5 MW Grand Ridge Energy wind facility in La Salle County, Illinois, about 80 miles southwest of Chicago, experienced blade failures on July 23-24, 2010. A spokeswoman for Invenergy Wind said that, in the event of high winds, the turbines are designed to come to rest with one blade pointing down and parallel to the base of the tower. According to Invenergy, the winds came so quickly that the safety mechanism did not have time to engage.
10 Aug 2010

An Ill Wind? -- Broken turbine blades bother nearby resident

Ellsworth came from Germany to live in rural Marseilles 17 years ago with her husband, who is from Morris. She researched the operating record of towers, primarily in Germany, where she said they have much longer experience. As a result of this experience, she said Germans never erect wind towers any closer to a home than one mile. "Blades can tear off and be like missiles," she said.
28 Jul 2010

Did blowing winds break the blades?

Miner said crews are examining the two towers to see if there is any damage to other components. At any rate, a crane will be brought in and the blades replaced. The replacement process will take at least a few weeks. About one year ago, another blade broke in the same area. In that case, high wind caused the damage.
27 Jul 2010

Turbine blade shredded in Illinois

Shabbona_wind_farm_3_thumb A blade at the Shabbona wind energy facility appears to have exploded into hundreds of pieces in this photo. NextEra, who owns the turbine, called the incident unusual. NextEra erected and operates the 145 industrial turbines spread between DeKalb and Lee Counties in Illinois. Sources in DeKalb County have informed Windaction.org that the incident occurred during a powerful lightning storm.
9 May 2010

Turbine blade shredded in Illinois (3)

Shabbona_wind_farm_5_thumb A blade at the Shabbona wind energy facility appears to have exploded into hundreds of pieces in this photo. NextEra, who owns the turbine, called the incident unusual. NextEra erected and operates the 145 industrial turbines spread between DeKalb and Lee Counties in Illinois. Sources in DeKalb County have informed Windaction.org that the incident occurred during a powerful lightning storm.
9 May 2010

Turbine blade shredded in Illinois (2)

Shabbona_wind_farm_4_thumb A blade at the Shabbona wind energy facility appears to have exploded into hundreds of pieces in this photo. NextEra, who owns the turbine, called the incident unusual. NextEra erected and operates the 145 industrial turbines spread between DeKalb and Lee Counties in Illinois. Sources in DeKalb County have informed Windaction.org that the incident occurred during a powerful lightning storm.
9 May 2010

Turbine's blade damage ‘unusual'

Officials at NextEra Energy Resources aren't sure what caused one of the three blades on a wind turbine south of the village of Shabbona to fail Friday morning. The 131-foot-long blade hung from the top of the turbine Friday, apparently bent at the base and split along its length.
8 May 2010

Geneseo wind turbine temporarily down

One of Geneseo's two recently installed wind turbines is down temporarily due to what is believed to be a faulty generator. Lewis Opsal, Geneseo electric superintendent, said the turbine should be up and running again by the end of January or early February. He said representatives from Vensys, the German manufacturer of the two 300-foot turbines, was in Geneseo recently to check on a vibration inside the turbine.
27 Dec 2009

http://www.windaction.org/posts?location=Illinois&p=2&topic=Structural+Failure
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