The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 30, 2025
Filed:
Jul. 06, 2023
Schneider Electric Industries Sas, Rueil-Malmaison, FR;
Zongqian Shi, Shanghai, CN;
Xiangming Zeng, Shanghai, CN;
Longfei Hao, Shanghai, CN;
Jing Guo, Shanghai, CN;
Min Li, Shanghai, CN;
Gang Wang, Shanghai, CN;
Xiaoqiang Lei, Shanghai, CN;
Bingchang Wu, Shanghai, CN;
Dabin Wu, Shanghai, CN;
Hongwei Wu, Shanghai, CN;
Haibo Huang, Shanghai, CN;
Schneider Electric Industries SAS, Rueil-Malmaison, FR;
Abstract
A DC circuit breaker device is provided, including: a circuit breaker module including a first circuit breaker and a second circuit breaker connected in series with the first circuit breaker; a commutation module connected in parallel with the first circuit breaker and including a commutation capacitor, a commutation switch module and a commutation inductor connected in series; the commutation switch module including a commutation switch positive branch and a commutation switch negative branch; and a control module coupled to the circuit breaker module and the commutation module, and configured to control the switching on/off of the commutation switch positive branch and the commutation switch negative branch after the first circuit breaker is re-closed. A method of controlling a DC circuit breaker is also provided.