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(11)

EP 4 681 306 A1

(12)

(43) Date of publication: 21.01.2026 Bulletin 2026/04 (21) Application number: 24707451.1 (22) Date of filing: 19.02.2024

(51) International Patent Classification (IPC):  H02J 3/24(2006.01) H02J 3/38(2026.01) H02J 3/32(2026.01) F03D 7/02(2006.01) (52) Cooperative Patent Classification (CPC): H02J 3/241; H02J 2300/28; H02J 3/32; H02J 3/381; F03D 7/0298; F03D 7/0284; F05B 2270/337; F05B 2270/335; F05B 2270/1071; Y02E 10/72 (86) International application number: PCT/EP2024/054105 (87) International publication number: WO 2024/193917 (26.09.2024 Gazette 2024/39)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 17.03.2023 EP 23162625 (71) Applicant: Siemens Gamesa Renewable Energy A/S 7330 Brande (DK)	(72) Inventors: GKOUNTARAS, Aris 10318 Hamburg (DE) KNUEPPEL, Thyge 3500 Værløse (DK) STOETTRUP, Michael 7400 Herning (DK) (74) Representative: SGRE-Association  Siemens Energy Global GmbH & Co. KG SE I IM P Intellectual Property Siemenspromenade 9 91058 Erlangen 91058 Erlangen (DE)