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. 28, 2026
Filed:
Feb. 07, 2024
Abb Schweiz Ag, Baden, CH;
ABB Schweiz AG, Baden, CH;
Abstract
A method is provided for protecting a circuit comprising a switch device connected between a power source and a load, the power switch device controlled by a gate driver. The method comprises generating a first trip signal indicating a desaturation (DESAT) signal based on an input voltage to the gate driver and a first trip threshold; generating a second trip signal indicating an overcurrent detection (OCD) signal based on a current obtained by a current sensor and a second trip threshold; generating a third trip signal indicating a transient recompensed instantaneous trip (TRIP) signal based on the current obtained by the current sensor and a third trip threshold; detecting, using a microcontroller, a fault based on merging at least two of the first trip signal, the second trip signal, and the third trip signal; and controlling, based on detecting the fault, the gate driver to disconnect the switch device.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile