(19)
(11) EP 1 092 255 A1

(12)

(43) Date of publication:
18.04.2001 Bulletin 2001/16

(21) Application number: 99948571.7

(22) Date of filing: 04.05.1999
(51) International Patent Classification (IPC)7H02J 3/26, H02M 7/02, H02M 7/66
(86) International application number:
PCT/SE9900/743
(87) International publication number:
WO 9957/793 (11.11.1999 Gazette 1999/45)
(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: 06.05.1998 SE 9801582

(71) Applicant: Emerson Energy Systems AB
141 82 Stockholm (SE)

(72) Inventor:
  • KARLSSON, Mats
    S-141 32 Huddinge (SE)

(74) Representative: Hammar, Ernst 
Albihns Stockholm AB,Box 5581
114 85 Stockholm
114 85 Stockholm (SE)

   


(54) METHOD AND DEVICE FOR REDUCING THE CURRENT IN THE NEUTRAL CONDUCTOR