(19)
(11) EP 4 169 046 A1

(12)

(43) Date of publication:
26.04.2023 Bulletin 2023/17

(21) Application number: 20734495.3

(22) Date of filing: 19.06.2020
(51) International Patent Classification (IPC): 
H01F 27/04(2006.01)
H01F 27/32(2006.01)
H01B 17/26(2006.01)
H01B 17/36(2006.01)
H02G 15/00(2006.01)
 H01F 27/29(2006.01)
H01F 27/36(2006.01)
H01B 17/34(2006.01)
H01B 17/58(2006.01)
(52) Cooperative Patent Classification (CPC):
H01F 27/04; H01F 27/29; H01F 27/363; H01F 27/32; H01B 17/58; H01F 27/06
(86) International application number:
PCT/EP2020/067200
(87) International publication number:
WO 2021/254639 (23.12.2021 Gazette 2021/51)
(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
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(71) Applicant: Hitachi Energy Switzerland AG
5400 Baden (CH)

(72) Inventors:
  • ASTRAND, Peter
    74382 Bälinge (SE)
  • STROMBERG, Glenn
    77143 Ludvika (SE)
  • EDLING, Andreas
    77141 Ludvika (SE)
  • VIKSTEN, Mattias
    82456 Hudiksvall (SE)
  • SKOGLUND, Jakob
    71434 Kopparberg (SE)

(74) Representative: Vossius & Partner Patentanwälte Rechtsanwälte mbB 
Siebertstraße 3
81675 München
81675 München (DE)

   


(54) BUSHING CONNECTION SHIELDING SYSTEM AND USE OF THE SAME IN AN EXIT INSULATING SYSTEM OF A HIGH VOLTAGE TRANSFORMER