(19)

(11)

EP 2 769 384 A1

(12)

(43) Date of publication: 27.08.2014 Bulletin 2014/35 (21) Application number: 11874351.7 (22) Date of filing: 21.10.2011

(51) International Patent Classification (IPC):  G21F 9/14(2006.01) G21F 9/00(2006.01) G21C 1/00(2006.01) (86) International application number: PCT/US2011/057301 (87) International publication number: WO 2013/058772 (25.04.2013 Gazette 2013/17)

(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: Electricité de France 75008 Paris (FR)	(72) Inventors: MASON, J., Bradley Donnelly, ID 83615 (US) BROWN, Thomas Atlanta, GA 30309 (US) TORABZADEH, Sahar Atlanta, GA 30346 (US) OLANDER, Jonathan Jonesborough, TN 37659 (US) (74) Representative: Cabinet Plasseraud  52, rue de la Victoire 75440 Paris Cedex 09 75440 Paris Cedex 09 (FR)