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:
Jan. 16, 2018

Filed:

Jul. 10, 2015
Applicant:

University-industry Foundation(uif), Seoul, KR;

Inventors:

Kyeon Hur, Seoul, KR;

Hee Jin Kim, Seoul, KR;

Sang Min Kim, Seoul, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M 1/32 (2007.01); H02H 7/122 (2006.01); H02M 7/483 (2007.01);
U.S. Cl.
CPC ...
H02M 1/32 (2013.01); H02M 7/483 (2013.01); H02M 2007/4835 (2013.01);
Abstract

Provided are a multi-level converter having more than one converter arm in which a plurality of sub-modules are connected in series, multi-level converter comprising, a first bypass circuit connected in parallel to at least one sub-module included in more than one converter arm on a first side and including a first switching device, a second bypass circuit connected in parallel to more than one converter arm on a second side and including a diode, a second switching device included in more than one converter arm and having a first end connected in series to at least one sub-module and a second end connected to a first end of first bypass circuit at a single node and a third switching device included in more than one converter arm and having a first end connected in series to at least one sub-module and a second end connected to a first end of second bypass circuit at a single node.


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