(19)
(11) EP 1 027 711 A2

(12)

(88) Date of publication A3:
12.12.1999

(43) Date of publication:
16.08.2000 Bulletin 2000/33

(21) Application number: 98946764.2

(22) Date of filing: 29.09.1998
(51) International Patent Classification (IPC)7: H01F 29/12
(86) International application number:
PCT/SE9801/748
(87) International publication number:
WO 9917/315 (08.04.1999 Gazette 1999/14)
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE
Designated Extension States:
LT LV RO SI

(30) Priority: 30.09.1997 SE 9703562

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

(72) Inventors:
  • BERGGREN, Sören
    S-724 62 Väster s (SE)
  • FROMM, Udo
    S-724 67 Väster s (SE)
  • LEIJON, Mats
    S-723 35 Väster s (SE)
  • WALFRIDSSON, Lars
    S-723 50 Väster s (SE)
  • JOHANSSON, Kenneth
    S-722 28 Väster s (SE)

(74) Representative: Johansson Webjörn, Ingmari et al
L.A. Groth & Co KB Patentbyra,P.O. Box 6107
102 32 Stockholm
102 32 Stockholm (SE)

   


(54) A METHOD AND AN ARRANGEMENT FOR REGULATING A TRANSFORMER/REACTOR, AND A TRANSFORMER/REACTOR