(19)
(11) EP 3 864 424 A1

(12)

(43) Date of publication:
18.08.2021 Bulletin 2021/33

(21) Application number: 18936444.1

(22) Date of filing: 09.10.2018
(51) International Patent Classification (IPC): 
G01R 31/327(2006.01)
G06K 9/60(2006.01)
 G01J 5/00(2006.01)
(86) International application number:
PCT/CN2018/109525
(87) International publication number:
WO 2020/073201 (16.04.2020 Gazette 2020/16)
(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:
  • CHEN, Niya
    Beijing 100016 (CN)
  • RUAN, Jiayang
    Beijing 100018 (CN)
  • YU, Rongrong
    Beijing 100123 (CN)
  • ZHUANG, Zhijian
    Xiamen, Fujian 361021 (CN)

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

   


(54) METHOD AND SYSTEM FOR CIRCUIT BREAKER CONDITION MONITORING