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:
Oct. 17, 2023
Filed:
Dec. 20, 2019
Supergrid Institute, Villeurbanne, FR;
Yang Yang, Villeurbanne, FR;
SUPERGRID INSTITUTE, Villeurbanne, FR;
Abstract
A high-voltage direct current cut-off device, includes: a primary mechanical switch and a secondary mechanical switch placed successively between a primary point and a secondary point but either side of an intermediate point, a primary surge arrester arranged parallel with the primary switch, a secondary surge arrester arranged electrically parallel with the secondary switch. The secondary surge arrester is arranged electrically between the intermediate point and the secondary point, and in that the device comprises a capacitive buffer circuit electrically in parallel with the assembly formed by the primary switch and the secondary switch, and electrically in parallel with the assembly formed by the primary surge arrester and the secondary surge arrester, wherein the capacitive buffer circuit comprises an activation switch and a buffer capacitance.