EP 2289081 B1 20150805 - POWER TRANSFORMER HAVING A STEPPING SWITCH
Title (en)
POWER TRANSFORMER HAVING A STEPPING SWITCH
Title (de)
LEISTUNGSTRANSFORMATOR MIT STUFENSCHALTER
Title (fr)
TRANSFORMATEUR DE PUISSANCE AVEC COMMUTATEUR À GRADINS
Publication
Application
Priority
- EP 2009002542 W 20090407
- DE 102008027274 A 20080606
Abstract (en)
[origin: CA2726873A1] The abstract relates to an arrangement of an oil-filled power transformer having an oil-filled stepping switch, wherein only a single oil expansion vessel is provided, this oil expansion vessel being connected both to the oil volume of the stepping switch and also to the transformer tank, which is likewise oil-filled, via corresponding flanges.
IPC 8 full level
H01H 9/00 (2006.01); H01F 27/14 (2006.01); H01F 27/40 (2006.01)
CPC (source: EP KR US)
H01F 27/14 (2013.01 - EP KR US); H01H 9/0044 (2013.01 - EP KR US); H01F 2027/404 (2013.01 - EP KR US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
DOCDB simple family (publication)
DE 102008027274 B3 20090827; CA 2726873 A1 20091210; CA 2726873 C 20160906; CN 102057453 A 20110511; EP 2289081 A1 20110302; EP 2289081 B1 20150805; ES 2551321 T3 20151118; JP 2011522428 A 20110728; KR 20110015470 A 20110215; PL 2289081 T3 20151231; RU 2010153989 A 20120720; RU 2505875 C2 20140127; UA 100156 C2 20121126; US 2011063064 A1 20110317; WO 2009146762 A1 20091210
DOCDB simple family (application)
DE 102008027274 A 20080606; CA 2726873 A 20090407; CN 200980120685 A 20090407; EP 09757146 A 20090407; EP 2009002542 W 20090407; ES 09757146 T 20090407; JP 2011511989 A 20090407; KR 20117000342 A 20090407; PL 09757146 T 20090407; RU 2010153989 A 20090407; UA A201014626 A 20090407; US 98966809 A 20090407