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:
Feb. 26, 2008
Filed:
Jun. 20, 2006
Petar Grbovic, Pacy sur Eure, FR;
Petar Grbovic, Pacy sur Eure, FR;
Schneider Toshiba Inverter Europe SAS, Pacy-sur-Eure, FR;
Abstract
Variable speed drive comprising a main rectifier module () including thyristors (K, K, K) to power a main continuous bus () from an external power network (), an inverter module () delivering a variable control voltage to an electric motor from the main bus (), an auxiliary rectifier module () connected to the external power network (), an electronic control unit () controlling the thyristors, a powering module () supplying the control unit () from the auxiliary rectifier module () and from the main rectifier module (). According to the invention, a switching device () controlled by the control unit () is used to disconnect the powering module () and the auxiliary rectifier module ().