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:
Jul. 01, 1997
Filed:
Dec. 16, 1994
Applicant:
Inventors:
Vinh T Nguyen Phuoc, Boulogne, FR;
Hubert Cornilleau, Verneuil sur Seine, FR;
Antonio Almeida, Tournan en Brie, FR;
Lucien Perrin, Paris, FR;
Assignee:
Schneider Electric S.A., Boulogne-Billancourt, FR;
Primary Examiner:
Int. Cl.
CPC ...
H02P / ;
U.S. Cl.
CPC ...
318801 ; 318254 ; 318138 ; 318439 ; 318798 ; 318799 ; 318800 ; 318801 ; 318802 ; 318803 ; 318804 ; 318805 ; 318806 ; 318807 ; 318808 ; 318809 ; 318810 ; 318811 ; 318812 ; 318813 ; 318814 ; 318815 ;
Abstract
An asynchronous motor is supplied with power from an AC line voltage via a variable speed drive including a rectifier bridge connected to the AC line voltage, a DC voltage intermediate circuit including a capacitor and an inverter including switches and connected to the phase windings of the motor. A system for controlling the power supply to the motor includes a device for controlled resumption of motor speed after supply of power to the motor is interrupted.