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:
Mar. 20, 2018
Filed:
Jul. 03, 2015
Applicant:
Kabushiki Kaisha Yaskawa Denki, Kitakyushu-shi, JP;
Inventors:
Wataru Yoshinaga, Kitakyushu, JP;
Takashi Tanaka, Kitakyushu, JP;
Kentaro Inomata, Kitakyushu, JP;
Kotaro Takeda, Kitakyushu, JP;
Takuya Naka, Kitakyushu, JP;
Assignee:
KABUSHIKI KAISHA YASKAWA DENKI, Kitakyushu-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/42 (2007.01); H02M 1/12 (2006.01); H02M 5/297 (2006.01); H02P 27/16 (2006.01); H02P 21/22 (2016.01); H02P 23/26 (2016.01);
U.S. Cl.
CPC ...
H02M 1/4208 (2013.01); H02M 1/126 (2013.01); H02M 1/42 (2013.01); H02M 5/297 (2013.01); H02P 21/22 (2016.02); H02P 23/26 (2016.02); H02P 27/16 (2013.01); Y02B 70/12 (2013.01);
Abstract
A matrix convertor includes a power convertor and a controller. The power convertor is disposed between a power system and a rotating electric machine, and includes a plurality of bidirectional switches. The controller is configured to control an exciting current flowing from the power convertor to the rotating electric machine so as to control a power factor on a side of the power system.