Global Patent Index - EP 4252264 A1

EP 4252264 A1 20231004 - ON-LOAD TAP CHANGER

Title (en)

ON-LOAD TAP CHANGER

Title (de)

LASTSTUFENSCHALTER

Title (fr)

RÉGLEUR EN CHARGE

Publication

EP 4252264 A1 20231004 (DE)

Application

EP 21807072 A 20211108

Priority

  • DE 102020131285 A 20201126
  • EP 2021080879 W 20211108

Abstract (en)

[origin: WO2022111977A1] The invention relates to an on-load tap changer (10) for uninterrupted switching between winding taps (N1, ..., NJ, ..., NN) of a step transformer (1), comprising: - a selector unit (30) for powerlessly pre-selecting a selected winding tap (NJ); - a load transfer switch unit (40) for the actual load switching from the previous winding tap (NJ-1) to the pre-selected winding tap (NJ); - a drive shaft (60) which is driven by a motor drive (70) and actuates the selector unit (30) and the load transfer switch unit (40); - a plate (50) on which the selector unit (30) and the load transfer switch unit (40) are located; and - a supporting structure (20) having at least one supporting rod (21); wherein - at least one guide (51) is located in an edge region (52) of the plate (50), which guide is designed to receive the supporting rod (21) such that the plate (50) can be fixed to the supporting structure (50) by means of the at least one guide (51).

IPC 8 full level

H01H 9/00 (2006.01)

CPC (source: EP)

H01H 9/0044 (2013.01); H01H 9/0038 (2013.01)

Citation (search report)

See references of WO 2022111977A1

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

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

WO 2022111977 A1 20220602; CN 116490948 A 20230725; DE 102020131285 A1 20220602; EP 4252264 A1 20231004

DOCDB simple family (application)

EP 2021080879 W 20211108; CN 202180079186 A 20211108; DE 102020131285 A 20201126; EP 21807072 A 20211108