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:
Jun. 26, 2012
Filed:
Feb. 20, 2009
Eduardo Kazuhide Sato, Minato-ku, JP;
Masahiro Kinoshita, Minato-ku, JP;
Yushin Yamamoto, Minato-ku, JP;
Tatsuaki Amboh, Minato-ku, JP;
Eduardo Kazuhide Sato, Minato-ku, JP;
Masahiro Kinoshita, Minato-ku, JP;
Yushin Yamamoto, Minato-ku, JP;
Tatsuaki Amboh, Minato-ku, JP;
Abstract
A three-level PWM converter includes first to third fuses having one terminals connected to a DC positive bus, a DC negative bus and a DC neutral point bus, respectively, first and second IGBT elements connected between respective ones of the other terminals of the first and second fuses and an AC line, an AC switch connected between the AC line and the other terminal of the third fuse, first and second diodes connected in anti-parallel to the first and second IGBT elements respectively, a first capacitor connected between the other terminals of the first and third fuses, and a second capacitor connected between the other terminals of the second and third fuses.