(19)
(11)
EP 1 537 646 A1
(12)
(43)
Date of publication:
08.06.2005
Bulletin 2005/23
(21)
Application number:
04728361.9
(22)
Date of filing:
20.04.2004
(51)
International Patent Classification (IPC)
7
:
H02M
7/162
,
H02M
5/45
(86)
International application number:
PCT/FI2004/000241
(87)
International publication number:
WO 2004/098038
(
11.11.2004
Gazette 2004/46)
(84)
Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL HR LT LV MK
(30)
Priority:
25.04.2003
FI 20030632
(71)
Applicant:
ABB Oy
00380 Helsinki (FI)
(72)
Inventor:
MIETTINEN, Erkki
FI-00170 Helsinki (FI)
(74)
Representative:
Valkeiskangas, Tapio Lassi Paavali et al
Oy Kolster Ab,Iso Roobertinkatu 23,P.O. Box 148
00121 Helsinki
00121 Helsinki (FI)
(54)
METHOD OF CONTROLLING HALF-CONTROLLED RECTIFIER, AND RECTIFIER STRUCTURE