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:
Apr. 21, 2025
Filed:
Mar. 30, 2022
Supergrid Institute, Villeurbanne, FR;
Yang Yang, Villeurbanne, FR;
SUPERGRID INSTITUTE, Villeurbanne, FR;
Abstract
A DC high voltage cut-off device includes at least one cut-off module, having: a main cut-off apparatus in a main branch, a general surge protector in an absorption branch, and a changeover branch, with at least one changeover capacitor wherein: a first plasma tube switch in the changeover branch, a pre-charge circuit of the changeover capacitor, a changeover surge protector, in parallel with the changeover capacitor, and having a protection voltage lower than a nominal operating voltage of the cut-off module and, by at least one pilotable switch which supplies the first plasma tube switch with a voltage derived from an electric voltage between the armatures of the changeover capacitor.