(19)
(11) EP 1 364 439 A2

(12)

(88) Date of publication A3:
10.10.2002

(43) Date of publication:
26.11.2003 Bulletin 2003/48

(21) Application number: 02720900.6

(22) Date of filing: 31.01.2002
(51) International Patent Classification (IPC)7: H02J 9/06, H01J 9/08
(86) International application number:
PCT/US0203/155
(87) International publication number:
WO 0206/1910 (08.08.2002 Gazette 2002/32)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 31.01.2001 US 256216 P

(71) Applicant: Satcon Technology Corporation
Cambridge, MA 02142-1221 (US)

(72) Inventors:
  • EISENHAURE, David, B.
    Cohasset, MA 02025 (US)
  • KIRTLEY, James, L., Jr.
    Brookline, MA 02146 (US)
  • LESSTER, Laban, Edward
    Severna, MD 21146 (US)

(74) Representative: Banzer, Hans-Jörg, Dipl.-Ing. et al
Kraus & WeisertPatent- und RechtsanwälteThomas-Wimmer-Ring 15
80539 München
80539 München (DE)

   


(54) AN UNINTERRUPTIBLE POWER SUPPLY SYSTEM USING A SLIP-RING, WOUND-ROTOR-TYPE INDUCTION MACHINE AND A METHOD FOR FLYWHEEL ENERGY STORAGE