Articles filed under Structural Failure
Two wind turbines along County Road 650 south of Helena were damaged earlier this month, though the cause of the damage still is under investigation. Bryan Garner, director of communications at NextEra Energy Resources, said in an email the turbines at the Skeleton Creek Energy Center were damaged on Aug. 11 and 12.
Workers at the Merkur wind farm in the German North Sea found signs of stress fatigue on the support structures of the “helihoist” platforms on some of the project’s GE Haliade turbines. Power generation at the 396-megawatt array was temporarily halted to come up with a solution to the problem, but the wind farm has since come back online. In June, Ørsted said it had put the five-year-old Block Island Wind Farm “on pause as a precautionary safety measure” to see if similar problems had arisen with the platforms at the top of the turbines that equipment and workers can be lowered onto from helicopters.
Ørsted, the Danish energy company that purchased the wind farm from the original developers, Deepwater Wind, said that four of the five turbines were taken offline earlier this summer as a precaution after GE, the manufacturer of the 6-megawatt turbines, identified the stress lines in the turbines.
Ørsted, the company that owns the wind farm, tells 12 News they’re conducting routine maintenance on the turbines. Right now, a spokesperson said they’re in the process of repairing stress lines inside four of the turbines.
Part of a blade on a wind turbine just off Grey County Road 8 southwest of Dundalk broke and fell to the earth last Wednesday morning.
LYFORD, Texas — A wind turbine caught fire in Lyford on Monday.
London-listed TRIG said that routine inspections had identified signs of stress fatigue on certain areas of the support structure of the helihoist on some of the 6MW wind turbines manufactured by GE. “Generation at the wind farm was paused as a precautionary safety measure whilst the root cause of the issue is being investigated,” TRIG said in a statement.
“I am not someone whose nerves get on edge very easily, but I didn’t want either myself or my people close to it. What I saw gave me fear,” said Wreath. “I left with many more concerns and questions than I had arrived with.” The 120-megawatt capacity project — located along the Oklahoma-Texas state line between Guymon and Hardesty — went operational in 2012 and contains 60 towers within Oklahoma. About nine towers show signs of catastrophic failure, where portions or entire blades are missing or nacelles at tower tops have burned. Dozens of other towers are locked down, either because of internal damage that can’t be observed without a detailed inspection or because of other problems that could be impacting their operations.
“An investigation has been launched into the cause of the incident and the best course of action going forward,” added a statement from Vattenfall. “So far, a 500 meter safety zone has been established around the mill, in which ships are not allowed to travel.”
Developers Vattenfall and Ørsted are analysing why Vestas’ V80-2.0MW turbine caught fire at the Danish wind farm. Vattenfall and Ørsted are investigating after a turbine at their co-owned 160MW Horns Rev 1 wind farm off Denmark caught fire.
JOHNSTON COUNTY, OKLAHOMA (KXII) - A wind farm turbine in Johnson County caught fire, after it was struck by lighting during Friday night’s storms.
Ada-Liberty Township Fire Department was called to a wind turbine fire reported at 4:31 a.m., Friday morning (March 26), according to the Ada police report.
Leading edge erosion on wind turbine blades is a major cause of reduced power output and efficiency as wind farms age. But, this growing problem is not well understood, so in today’s article we’ll tackle some of the root causes of leading edge erosion, what’s being done about it, and what we should look to in the future to solve this industry-wide problem.
At the end of November, a 230 meter high wind turbine near the town of Jörn in Skellefteå municipality collapsed. The whole tower gave way and crashed to the ground.
The turbine is part of the Harvest II Wind Project owned by Exelon Generation, the second part of a wind farm whose first phase began operations in 2008. Harvest II's second phase started operating in 2012. Turbine #7 is located south of Crown Road and east of Gagetown Road.
The cause of the accident is unknown and the company is assembling a team that will investigate at the site, spokesman Anders Riis said on Monday by phone. A lot of snow is expected this week, which may delay the work, he said. No one was injured in the incident. Sweden is turning to the most mature renewable energy source to replace old nuclear reactors.
It was at 9 pm on Saturday evening that the wind turbine gave way and fell to the ground. Pictures taken by Norran show how the tower folded a few meters above the ground and then the turbine housing, tower and blades crashed down. ...It is now Vestas that will carry out an investigation into the accident.
A part of the wind turbine prototype “Vertical Sky A 32” with vertical rotors crashed on the wind test field during gusts. One of the three rotor arms and the 54-meter long rotor blade were in the field. Nobody was injured in the accident.
Last month, Dundonnell was also hit by a fallen blade at one of its Vestas turbines, which brought production across the wind farm to a halt for a few days as the cause was investigated. Campbell says it is clear that the blade fell because bolts holding it to the hub became loose, but the question of why those bolts became loose is still under investigation.
A wind turbine manufacturer is investigating its turbines after a blade broke off in southeast Nebraska. A spokesperson for EDF Renewables says a turbine fault error occurred at turbine 89 of the Milligan 1 Wind Farm on Thursday morning.