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. 13, 2016
Filed:
May. 15, 2012
Didier Cavallera, Grenoble, FR;
Jean-louis Coulomb, Saint Ismier, FR;
Olivier Chadebec, Grenoble, FR;
Bruno Caillault, Herbeys, FR;
Francois-xavier Zgainski, La Murette, FR;
Didier Cavallera, Grenoble, FR;
Jean-Louis Coulomb, Saint Ismier, FR;
Olivier Chadebec, Grenoble, FR;
Bruno Caillault, Herbeys, FR;
Francois-Xavier Zgainski, La Murette, FR;
ELECTRICITE DE FRANCE, Paris, FR;
INSTITUT POLYTECHNIQUE DE GRENOBLE, Grenoble, FR;
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), Paris, FR;
Abstract
A method and a system for controlling the switching time of a device that includes a magnetic circuit and a conductive winding. The method includes acquiring a measurement of the magnetic field generated by the residual flux, by a sensor placed near the magnetic circuit; processing the acquired measurements to infer the residual flux in the magnetic circuit; determining, on the basis of the residual flux, the optimal time for switching on the device. The method also includes switching on a three-phase transformer. The transformer includes a primary conductive winding and a secondary conductive winding surrounded by an enclosure. A magnetic field sensor is on the magnetic circuit and/or on one outer surface of the enclosure.