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.

Date of Patent:
Jul. 30, 2024

Filed:

Aug. 06, 2019
Applicant:

Tmeic Corporation, Chuo-ku, JP;

Inventors:

Hiroyoshi Komatsu, Tokyo, JP;

Masahiro Kinoshita, Tokyo, JP;

Assignee:

TMEIC Corporation, Chuo-ku, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M 7/48 (2007.01); H02J 3/38 (2006.01); H02M 1/00 (2006.01); H02M 1/12 (2006.01); H02M 7/493 (2007.01); H03H 7/09 (2006.01);
U.S. Cl.
CPC ...
H02M 7/493 (2013.01); H02J 3/381 (2013.01); H02M 1/0003 (2021.05); H02M 1/126 (2013.01); H02M 7/4803 (2021.05); H03H 7/09 (2013.01); H02J 2300/28 (2020.01);
Abstract

A power conversion system including a plurality of power conversion devices connected in parallel. Each of the plurality of power conversion devices includes: a power conversion circuit configured to convert DC to AC; and an AC filter circuit connected to an output side of the power conversion circuit. The AC filter circuit is an LC low-pass filter including a first filter reactor and an AC filter capacitor connected in an L shape. The AC filter circuit further includes a second filter reactor connected in series to the AC filter capacitor, and a resistance constructing a series circuit together with the AC filter capacitor and the second filter reactor.


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