(19)

(11)

EP 4 463 930 A1

(12)

(43) Date of publication: 20.11.2024 Bulletin 2024/47 (21) Application number: 22705516.7 (22) Date of filing: 28.01.2022

(51) International Patent Classification (IPC):  H02J 50/40(2016.01) (52) Cooperative Patent Classification (CPC): H02J 50/402; H02J 50/90 (86) International application number: PCT/EP2022/051987 (87) International publication number: WO 2023/143723 (03.08.2023 Gazette 2023/31)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: Huawei Digital Power Technologies Co., Ltd. Shenzhen, Guangdong 518043 (CN)	(72) Inventors: TORRES DELGADO, Sarai Malinal 80992 Munich (DE) SUAREZ SANDOVAL, Fralett 80992 Munich (DE) (74) Representative: Maiwald GmbH  Engineering Elisenhof Elisenstrasse 3 80335 München 80335 München (DE)