Articles filed under Structural Failure
MidAmerican Energy, has idled more than 40 wind turbines at Iowa wind farms after a 50 metre-long turbine blade broke off and fell into a field last week. ...“The turbine that had the blade failure last week is the same type of turbine that had a blade failure last month in Adair Countym” he said. “They also had the same type of lightning system in them that channels lightning from a strike near a wind turbine blade down into the ground safely.
The fire specialist says that because of a lack of reporting and transparency around wind farm blazes, it is difficult to know how far off current estimates (ranging from 1 in 2,000 turbines to 1 in 15,000 ) are from the true number of fires each year, while many figures are more than five years out of date.
MidAmerican Energy says it has idled nearly four-dozen electricity-generating wind turbines while workers check them for safety after blades broke off of two similar turbines over the past two months. Those blade failures follow a break earlier this year and one in 2019.
For a second time in two months, a wind turbine blade broke off in central Iowa. The latest incident happened Thursday near Paton, in Greene County.
Tilt Renewables’ massive Dundonnell wind farm in Victoria is gradually powering back up one week after the project was shut down after a 73 metre, 70 tonne blade fell off one of the project’s 80 newly installed Vestas turbines.
The blade fell around 8.30pm and the company has since removed all turbines from operation while an investigation of the damage occurs. "A root cause analysis will be completed in conjunction with the wind turbine manufacturer, Vestas, which will inform the assurance process on the other turbines prior to these being returned to service," Mr Campbell said.
Adair County farmer Curt Beane said the blade crushed the corn below, but nobody was injured. “I work in the field that it came down, and I do have true safety concern,” Beane said. Beane said he does not own the land that the blade fell onto, but he does farm it.
Vestas and developer EDP Renewables are investigating after the blade of a V150 4.2MW turbine at the 125MW Timber Road 4 project broke off. The project was commissioned earlier this year.
It started Monday afternoon and was still considered active Friday morning, according to the Sweetwater Fire Chief Grant Madden. ...The wildfire continued to run for at least five miles and has burned more than 3,200 acres destroying land in its path.
BRADY — Multiple wildfires have scorched thousands of acres across the Concho Valley in the past three days fueled by dry brush and temperatures reaching above 100 degrees.
SWEETWATER, TX — A wind turbine in Nolan County sparked a wildfire Monday just north of FM 89 near the county line.
The company submitted records to the county showing the agreements have been reached. Levy said the agreements have been executed and the company would e-mail copies of them to the county. In cases where NextEra could not reach agreements with landowners, the company curtailed operations of turbines close to the county residents’ homes so the machines are within the acceptable noise and shadow flicker limits.
The designer of an experimental wind turbine located near Medicine Hat College says an operational decision to lock them from spinning led to one shearing off in high wind on Sunday night. As well, the working relationship between the college and company appears to have ended.
I asked Steve Peters if he knew exactly when the blades in the next section south broke. Peters recalled that, "the blade broke during the morning hours of Dec. 30. Nothing looked wrong at that site until before noon. Steve also said he had heard that 32 turbine sites (96 blades) had blades that needed to be repaired or replaced.
Damage has been identified on the blades of two turbines at the Minsca windfarm near Waterbeck. And operators Ventient Energy this week confirmed replacement blades will be needed.
Conlan Kennedy, NextEra communication specialist, said the turbine was damaged the night of April 16. Members of a NextEra wind technician team said there was a big storm in the area that night and the team was investigating the possibility of a lightning strike but the cause is still under investigation, Kennedy said.
Sibley Fire Chief Kenny Huls says when they were looking for what may have caused the fire, they noticed some charring on the windmill motor, and with the distance and the wind carrying those sparks, he says it appeared to him that perhaps the wind turbine malfunctioned and shot a spray of sparks out into the field.
“I could smell an electrical type smell for a good while, and my mom smelled it too,” Gregory resident Dolores Moreno said. “I was looking at our own house going room to room thinking it was coming from our home since the smell was pretty strong. A while later I heard the sirens so I knew it wasn’t us.” She also said that she heard someone saying that just before the blaze, they could hear a noise coming from the turbine.
Local officials say that they have no choice but to let the fire burn itself out. They are currently trying to figure out who the wind turbine belongs to so they can contact them to turn off the electricity. The area is being kept clear in case any debris falls off.
"This Sunday afternoon, some parts were disconnected from one of our generators in the municipality of Ilha Grande, in Piauí," said Omega in a note, adding that he hopes to resume the operation of the wind turbine "as soon as possible", but without mentioning deadlines. ...German Siemens, said that a “safety zone” was established around the equipment and that the causes of the problem are being investigated.