(19)
(11) EP 1 461 531 A1

(12)

(43) Date of publication:
29.09.2004 Bulletin 2004/40

(21) Application number: 02780245.3

(22) Date of filing: 04.11.2002
(51) International Patent Classification (IPC)7: F03D 11/02
// B29C70:00
(86) International application number:
PCT/SE2002/001997
(87) International publication number:
WO 2003/054389 (03.07.2003 Gazette 2003/27)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 21.11.2001 SE 0103872

(71) Applicant: SAAB AB
581 88 Linköping (SE)

(72) Inventors:
  • KROGAGER, Max
    S-582-42 Linköping (SE)
  • VAARA, Jan
    S-582 75 Linköping (SE)

   


(54) DEVICE FOR OVERVOLTAGE PROTECTION IN A WIND TURBINE