(19)

(11)

EP 4 824 563 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24833901.2 (22) Date of filing: 13.12.2024

(51) International Patent Classification (IPC):  G01R 19/00(2006.01) H03F 3/217(2006.01) H03F 3/185(2006.01) G01R 19/10(2006.01) H02M 1/00(2006.01) H03F 1/52(2006.01) G01R 19/165(2006.01) H02M 3/158(2006.01) (52) Cooperative Patent Classification (CPC): G01R 19/0092; G01R 19/10; H02M 1/0009; G01R 19/16538; G01R 19/165; H03F 3/2173; H03F 3/185; H03F 1/523; H03F 2200/426; H03F 2200/481; H03F 2200/462; H03F 2200/03; H02M 3/158 (86) International application number: PCT/EP2024/086331 (87) International publication number: WO 2025/125619 (19.06.2025 Gazette 2025/25)

(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: 14.12.2023 EP 23216835 (71) Applicant: ICEpower a/s 2860 Søborg (DK)	(72) Inventors: NIELSEN, Ole Neis 2765 Smørum (DK) BOSTRÖM, Patrik 256 57 Ramlösa (SE) (74) Representative: Lind Edlund Kenamets Intellectual Property AB  Kungsportsavenyn 25 411 36 Göteborg 411 36 Göteborg (SE)