(19)
(11) EP 1 208 411 A1

(12)

(43) Date of publication:
29.05.2002 Bulletin 2002/22

(21) Application number: 00949316.4

(22) Date of filing: 05.07.2000
(51) International Patent Classification (IPC)7: G05F 1/30, G05F 1/253, H02M 5/12, H01F 27/38, H01F 29/00
(86) International application number:
PCT/EP0006/610
(87) International publication number:
WO 0104/720 (18.01.2001 Gazette 2001/03)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 13.07.1999 IT MI991549

(71) Applicant: ABB Service S.r.l.
20135 Milano (IT)

(72) Inventors:
  • IEMMI, Dorino
    I-20021 Bollate (IT)
  • LANCIANO, Giovanni
    I-20025 Legnano (IT)
  • LANZAVECCHIA, Lorenzo
    I-20124 Milano (IT)
  • TESTIN, Giovanni
    I-20134 Milano (IT)

(74) Representative: Giavarini, Francesco 
ABB Service S.r.l.,Viale Edison, 50
20099 Sesto San Giovanni (MI)
20099 Sesto San Giovanni (MI) (IT)

   


(54) TRANSFORMER WITH SECONDARY VOLTAGE ELECTRONIC ADJUSTMENT