(19)
(11) EP 2 776 711 A1

(12)

(43) Date of publication:
17.09.2014 Bulletin 2014/38

(21) Application number: 11869709.3

(22) Date of filing: 21.07.2011
(51) International Patent Classification (IPC): 
F03D 7/04(2006.01)
(86) International application number:
PCT/CN2011/077432
(87) International publication number:
WO 2013/010332 (24.01.2013 Gazette 2013/04)
(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

(71) Applicant: Vestas Wind Systems A/S
8200 Aarhus N (DK)

(72) Inventors:
  • ZHANG, Zhaosui
    Beijing 100084 (CN)
  • SUN, Yuanzhang
    Beijing (CN)
  • LI, Guojie
    Beijing (CN)
  • LIN, Jin
    Beijing (CN)

   


(54) METHOD OF OPERATING WIND TURBINE AND CONTROLLER THEREOF