(19)
(11) EP 1 338 083 A1

(12)

(43) Date of publication:
27.08.2003 Bulletin 2003/35

(21) Application number: 01976990.0

(22) Date of filing: 17.10.2001
(51) International Patent Classification (IPC)7H02M 7/48
// H02M3:07
(86) International application number:
PCT/SE0102/251
(87) International publication number:
WO 0203/7658 (10.05.2002 Gazette 2002/19)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

(30) Priority: 06.11.2000 SE 0004028

(71) Applicant: ABB AB
721 83 Västeras (SE)

(72) Inventor:
  • SVENSSON, Kjell
    S-771 41 Ludvika (SE)

(74) Representative: Dahlstrand, Björn et al
ABB Group Services Center ABLegal & Compliance/Intellectual Property
721 78 Västeras
721 78 Västeras (SE)

   


(54) AN APPARATUS FOR CONVERTING ALTERNATING VOLTAGE INTO DIRECT VOLTAGE