Client: Global wind energy company              
Industry: Renewables
Asset: Wind turbine tower
Location: Norway
Year: 2023

Challenge

The client needed a thorough inspection of the wind turbine tower’s welds to ensure its structural integrity. The task was complex given the tower’s height, necessitating advanced inspection technology for which there was no widely known solution.

Solution

Axess’ QC team in Norway leveraged its expertise in advanced inspection technology and remote inspection techniques, to devise an innovative and environmentally-friendly approach.

A key component of the solution involved the use of a remotely-operated magnetic crawler. Equipped with Eddy Current Array (ECA) technology, the device facilitated a comprehensive inspection of the tower by capturing detailed scans of the welds which provide crucial data on their condition.

What distinguishes this solution is the capability to remotely assess the ECA scans. This approach significantly reduced the need for physical presence on site, thereby minimising the carbon footprint associated with the inspection process. The method facilitated a safer approach by avoiding the need for people working at height, which historically has been the case with these inspections. It also reduced travel and accommodation costs for the inspection team.

Results

The team successfully inspected a total of 11 welds. A thorough assessment and report were delivered, providing the client and asset owner with confidence in the wind turbine’s operational readiness. The wind turbine tower is now set to continue delivering electricity for years to come.

“In essence, the solution not only addressed the technical challenges of the task but also aligned with the broader goal of promoting sustainability in the energy sector. This balanced approach is what sets us apart from competitors,” Steffen Skjuleng, Project Manager and Discipline Lead – Remote Inspection Techniques at Axess Group said.