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:
Sep. 23, 2025
Filed:
Sep. 30, 2022
Mitsubishi Electric Corporation, Tokyo, JP;
Hajime Takahashi, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
A power conversion device includes: main circuits each having a plurality of power modules that are parallelly connected to each other; and driving circuits for driving the main circuits. The driving circuits are each provided with: at least one driver for generating control signals to be inputted to the respective module control terminals of the plurality of power modules; and a filter that is connected between the at least one driver and the module control terminals, the filter having, per each module pair formed of two power modules, an impedance characteristic with a peak shape showing an increased impedance in a predetermined specific frequency range. The filter has a coupling element per each module pair, the coupling element being connected between two module control terminals and including a capacitor.