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. 18, 2023
Filed:
Mar. 15, 2019
Safran Electrical & Power, Blagnac, FR;
Wenceslas Bourse, Blagnac, FR;
Pascal Jacques Frédéric Guy Toutain, Blagnac, FR;
David Baltaro, Blagnac, FR;
Safran Electrical & Power, Blagnac, FR;
Abstract
The invention relates to a method for controlling a three-phase inverter () using a 120° control arrangement associated with a PWM-type control, the inverter () being driven by a controller and configured to power a permanent-magnet synchronous motor () of a device on board an aircraft. The motor () comprises a stator and a rotor that can be rotated relative to the stator when the motor () is powered. The inverter () comprises three branches (), each branch comprising two switches (and) associated with a motor winding sing a 120° control arrangement of a three-phase inverter. The method is characterised in that when one switch on one branch is controlled such as to switch front the on-state to the off-state, the other switch on said branch is controlled such as to be in the on-state for a sufficient amount of time to allow the magnetic discharge of the motor winding associated with said branch.