Parasitic stray current and related problems in aerospace applications

Important results from the project

The main objectives have been achieved through the compilation of a report mapping how bearing currents can affect systems in aviation applications. The project has also fulfilled its purpose of investigating whether there is a link between bearing currents and electromagnetic emissions. Finally, the project has achieved its aim of serving as a springboard for future projects, as an application for a follow-up project has been submitted to Vinnova, and additional applications are being prepared.

Expected long term effects

The project is expected to give rise to several follow-up projects, one of which has already been submitted and another has been drafted. These research projects will enhance expertise within the Swedish aviation industry and also open the door to international knowledge exchange in this field. Overall, this is expected to strengthen the competitiveness of the Swedish aviation industry and also accelerate the electrification of various aeronautical systems.

Approach and implementation

The project was carried out according to the original plan, with the exception that one of the project partners wound down its Swedish operations during the project period and therefore could not participate as planned. The project was led by researchers in machine elements and electronic systems at Luleå University of Technology (LTU), with information from the project partners. Through literature studies, measurements, and analyses, the researchers compiled a report covering relevant systems.