(19)

(11)

EP 1 829 181 A1

(12)

(43) Date of publication: 05.09.2007 Bulletin 2007/36 (21) Application number: 05818330.2 (22) Date of filing: 13.12.2005

(51) International Patent Classification (IPC):  H02J 3/00(2006.01) (86) International application number: PCT/GB2005/004802 (87) International publication number: WO 2006/064214 (22.06.2006 Gazette 2006/25)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 13.12.2004 GB 0427275 (71) Applicant: EC Power A/S 4035 Stavanger (NO)	(72) Inventors: ANDERSEN, Jens-Otto Ravn DK- 8000 Arthus C (DK) NIELSEN, Jan DK-4000 Roskilde (DK) (74) Representative: Jackson, Robert Patrick  Frank B. Dehn & Co. St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)