(19)
(11) EP 1 075 699 A1

(12)

(43) Date of publication:
14.02.2001 Bulletin 2001/07

(21) Application number: 99920775.6

(22) Date of filing: 23.04.1999
(51) International Patent Classification (IPC)7: H01F 27/28
(86) International application number:
PCT/EP9902/782
(87) International publication number:
WO 9957/736 (11.11.1999 Gazette 1999/45)
(84) Designated Contracting States:
AT CH CY DE ES FI FR GB IT LI

(30) Priority: 01.05.1998 GB 9809432
06.10.1998 GB 9821697

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

(72) Inventors:
  • FROMM, Udo
    S-724 62 Västeras (SE)
  • SASSE, Christian
    S-724 64 Västeras (SE)
  • SCHÜTTE, Thorsten
    S-722 28 Västeras (SE)
  • CARLSON, ke
    S-781 99 Idkerberget (SE)

(74) Representative: Hanson, William Bennett 
J.Y. & G.W. Johnson,Kingsbourne House,229-231 High Holborn
London WC1V 7DP
London WC1V 7DP (GB)

   


(54) A POWER CURRENT BOOSTER TRANSFORMER