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Whereas present process its commissioning course of in late September, a fireplace broke out in one of many Tesla Megapacks on the Bouldercombe massive battery in Queensland, Australia. The fireplace triggered debates in regards to the viability of renewable vitality options, in addition to the security of battery storage techniques.
The fireplace was not extreme, with Genex Energy, the proprietor of the battery storage system, stating that the hearth didn’t even necessitate the usage of water in any respect. Genex CEO Craig Francis additionally famous that the remoted nature of the hearth means that the incident wouldn’t have any vital influence on the Bouldercombe massive battery.
And as per an announcement from Genex Energy, the hearth truly didn’t begin on the Megapack’s battery modules. As an alternative, the fault initially occurred on the AC facet of the impacted Megapack unit. The fault then propagated to the battery modules throughout the Megapack. This was decided following an evaluation of the incident by Tesla, Genex, and different stakeholders.
Genex described the findings of the Megapack battery hearth evaluation in its announcement:
“The preliminary RCA signifies {that a} fault occurred on the AC facet of the Megapack unit. The fault then propagated to the battery modules throughout the Megapack. The burn of the Megapack adopted design and certification testing expectations below UL9540A, with no exterior water required, and no propagation of the lively hearth to adjoining Megapack items or stability of plant.
“The failure has been remoted to the facility electronics interface with the AC bus bar within the particular person Megapack unit itself and never the broader set up of Megapack items. With a view to mitigate in opposition to an additional occasion, Tesla will probably be endeavor substitute of two recognized energy electronics items and out of warning, bodily inspection of the facility electronics throughout the the rest of items on the Mission web site. Genex can even be implementing upgrades to breaker management setting response instances to additional mitigate in opposition to a possible future occasion,” Genex wrote.
Whereas the minor hearth affected one Megapack battery within the Bouldercombe web site, the Megapack adjoining to the impacted unit additionally suffered minor thermal injury to its electrical insulation. Thus, Tesla can be offering two Megapacks to switch the 2 items that had been broken by the hearth. The Megapacks are already en path to the location, and are anticipated to reach in early December 2023, as famous in a PV Journal Australia report.
Genex Energy’s announcement will be considered under.
Megapack Battery Fireplace Investigation by Simon Alvarez on Scribd
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