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. 01, 2026
Filed:
Jun. 21, 2021
Mitsubishi Electric Corporation, Tokyo, JP;
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Abstract
This power conversion device includes a rectification circuit which rectifies input voltage from the AC power supply; a leg circuit having an upper leg composed of semiconductor elements connected in series and a lower leg composed of semiconductor elements connected in series, the upper leg and the lower leg being connected in series, at least the semiconductor elements in the lower leg being switching elements; a balance resistor connected in parallel to the semiconductor elements; at least one charge/discharge capacitor connected between a connection point of the semiconductor elements in the upper leg and a connection point of the semiconductor elements in the lower leg; a smoothing capacitor connected to an output of the leg circuit; and an inrush preventing circuit provided between the AC power supply and the leg circuit, and including a current limiting resistor.