(19)
(11) EP 4 581 271 A1

(12)

(43) Date of publication:
09.07.2025 Bulletin 2025/28

(21) Application number: 23768781.9

(22) Date of filing: 01.09.2023
(51) International Patent Classification (IPC): 
F03D 7/02(2006.01)
F03D 7/04(2006.01)
 F03D 17/00(2016.01)
(52) Cooperative Patent Classification (CPC):
F03D 7/0248; F03D 7/0264; F03D 7/0244; F03D 17/0065; F03D 7/047; F05B 2260/902; Y02E 10/72
(86) International application number:
PCT/DK2023/050211
(87) International publication number:
WO 2024/046538 (07.03.2024 Gazette 2024/10)
(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:
KH MA MD TN

(30) Priority: 02.09.2022 DK PA202270429

(71) Applicant: VESTAS WIND SYSTEMS A/S
8200 Aarhus N (DK)

(72) Inventors:
  • ANDERSEN, Lars Rohrmann
    8200 Aarhus N (DK)
  • BACH-SØRENSEN, Esben
    8200 Aarhus N (DK)
  • BILLER, Lars
    8200 Aarhus N (DK)

(74) Representative: Vestas Patents Department 
Hedeager 42
8200 Aarhus N
8200 Aarhus N (DK)

   


(54) CONTROLLING ACTIVATION OF A DRIVE TRAIN BRAKE IN A WIND TURBINE