EP 4042461 A1 20220817 - ON-LOAD TAP CHANGER
Title (en)
ON-LOAD TAP CHANGER
Title (de)
LASTSTUFENSCHALTER
Title (fr)
CHANGEUR DE PRISES EN CHARGE
Publication
Application
Priority
- DE 102019130457 A 20191112
- EP 2020075967 W 20200917
Abstract (en)
[origin: WO2021094015A1] An on-load tap-changer (10) for switching, without interruption, between winding taps (N1,...NJ,... NN) of a tapped transformer (1), said on-load tap-changer comprising: - at least one selector unit (30) for preselecting, without power, a designated winding tap (NJ); - at least one load transfer switch unit (40) for actually transferring a load from the previous winding tap (NJ-1) to the preselected winding tap (NJ); - at least one gear mechanism (50) comprising a first gear (31) and a second gear (41), said first gear (31) being associated with the selector unit (30) and said second gear (41) being associated with the load transfer switch unit (40); - and a driveshaft (60) that is operated by a motor drive (70), wherein: - the first gear (31) and the second gear (41) are directly mechanically operatively connected to each other so that the gears (31, 41) are operated simultaneously; - and the driveshaft (60) can drive either the first gear (31) or the second gear (41).
IPC 8 full level
H01H 9/00 (2006.01)
CPC (source: EP US)
H01H 9/0011 (2013.01 - US); H01H 9/0027 (2013.01 - EP); H01H 9/0038 (2013.01 - US); H01H 9/0072 (2013.01 - EP); H01H 2009/0094 (2013.01 - EP US)
Citation (search report)
See references of WO 2021094015A1
Designated contracting state (EPC)
AL 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 RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DE 102019130457 B3 20210204; AU 2020385221 A1 20220623; CN 114730669 A 20220708; EP 4042461 A1 20220817; JP 2023500074 A 20230104; US 2022406534 A1 20221222; WO 2021094015 A1 20210520
DOCDB simple family (application)
DE 102019130457 A 20191112; AU 2020385221 A 20200917; CN 202080078362 A 20200917; EP 2020075967 W 20200917; EP 20774966 A 20200917; JP 2022524205 A 20200917; US 202017775317 A 20200917