(19)
(11) EP 4 248 228 A1

(12)

(43) Date of publication:
27.09.2023 Bulletin 2023/39

(21) Application number: 20961923.8

(22) Date of filing: 19.11.2020
(51) International Patent Classification (IPC): 
G01R 31/327(2006.01)
(52) Cooperative Patent Classification (CPC):
G01R 31/327
(86) International application number:
PCT/CN2020/130034
(87) International publication number:
WO 2022/104632 (27.05.2022 Gazette 2022/21)
(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: ABB SCHWEIZ AG
5400 Baden (CH)

(72) Inventors:
  • LIN, Jiling
    Xiamen, Fujian 361101 (CN)
  • ZHUANG, Genhuang
    Xiamen, Fujian 361008 (CN)
  • CHEN, Yanyun
    Xiamen, Fujian 361001 (CN)
  • HUANG, Liqun
    Xiamen, Fujian 361015 (CN)

(74) Representative: Zimmermann & Partner Patentanwälte mbB 
Postfach 330 920
80069 München
80069 München (DE)

   


(54) ELECTRIC DEVICE FOR SENSING TEMPERATURES OF HOTSPOTS OF A SWITCHGEAR