(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)
7
:
H02J
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