(19)
(11) EP 3 761 332 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
06.12.2023 Bulletin 2023/49

(45) Mention of the grant of the patent:
01.11.2023 Bulletin 2023/44

(21) Application number: 19183661.8

(22) Date of filing: 01.07.2019
(51) International Patent Classification (IPC): 
H01H 9/00(2006.01)
H01H 33/56(2006.01)
 H01F 27/02(2006.01)
(52) Cooperative Patent Classification (CPC):
H01H 9/0044; H01H 33/565; H01F 27/022

(54)

AN ON-LOAD TAP CHANGER INCLUDING AN INSULATION BARRIER

LASTSTUFENSCHALTER MIT EINER ISOLATIONSBARRIERE

CHANGEUR DE PRISE EN CHARGE COMPRENANT UNE BARRIÈRE D'ISOLATION

(84) Designated Contracting States:
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

(43) Date of publication of application:
06.01.2021 Bulletin 2021/01

(73) Proprietor: Hitachi Energy Ltd
8050 Zürich (CH)

(72) Inventors:
  • HEDSTEN, Harald
    772 50 Grängesberg (SE)
  • MATHAE, Jean Louis Gérard
    771 34 Ludvika (SE)
  • KRAINER, Per
    784 54 Borlänge (SE)
  • SVANBERG, Magnus
    945 91 Norrfjärden (SE)
  • JOHANSSON, Anders C.
    Medina, TN, 38355 (US)
  • KETABI, Kevin
    771 43 Ludvika (SE)
  • OLOFQVIST, Kristoffer
    115 32 Stockholm (SE)
  • FORSMAN, Daniel
    2408 Elverum (NO)

(74) Representative: Valea AB 
Box 7086
103 87 Stockholm
103 87 Stockholm (SE)


(56) References cited: : 
EP-A2- 1 032 003
 DE-A1- 2 640 807
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).