The Fraunhofer Institute for Digital Media Technology IDMT has developed a new approach for cleaning large PV systems with the help of sound transmitted by structure. As part of the Aksore Research Project, the IDMT team worked on a process for automatic cleaning of solar modules using targeted mechanical vibrations.
The technology uses the sound transmitted by structure to remove pollution such as dust or sand from the module surfaces without contact, the use of water or a mechanical wear. Any pollution on the panels is gradually removed Due to targeted acoustic activation of the panel and the corresponding vibrations.
Image: Fraunhofer IDMT
Fraunhofer said that the technology could be well suited for desert regions, where the number of solar parks continues to rise. The researchers also noted that the global market for cleaning the solar module is rapidly expanding, with its value it is expected to be $ 1.85 billion in 2033.
“With our acoustic cleaning technology we want to tackle this problem and create real value for the solar industry,” said IDMT project manager Andreas Männchen. “Our goal is to make energy generation from PV systems even more sustainable and efficient.”
The researchers will show the technology during the Intersolar Europe event this year from 7 to 9 May in Munich. The team will be present in Hall A2, Stand 236.
The Aksore Project, funded by the German Federal Ministry for Economic Affairs and Climate Affairs (BMWK) until June 2027, is supported by Silberform AG, a company that specializes in structure-transferred sound exit and JVG Technology GMBH.
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