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. 27, 2016
Filed:
May. 22, 2014
Lsis Co., Ltd., Anyang-si, Gyeonggi-do, KR;
Industry-academic Cooperation Foundation, Yonsei University, Seoul, KR;
Gum Tae Son, Seoul, KR;
Kyeon Hur, Seoul, KR;
Jung Wook Park, Seoul, KR;
Hee Jin Lee, Seoul, KR;
Tae Sik Nam, Seoul, KR;
Yong Ho Chung, Ansan-si, KR;
Seung Taek Baek, Anyang-si, KR;
Wook Hwa Lee, Incheon-si, KR;
LSIS CO., LTD., Anyang-si, KR;
Industry-Academic Cooperation Foundation, Yonsei University, Seoul, KR;
Abstract
The present disclosure provides a method for controlling a multilevel converter, the method including, detecting modulation state values and current directions of sub-modules, and designating, by one sub-module, an average number of switching for each period of an output waveform, wherein the step of designating the average number of switching includes, grouping the sub-modules according to being in ON state or in OFF state, comparing the number of sub-modules in previous ON state and the number of sub-modules in OFF state to obtain a difference therebetween, and changing a state as much as the difference, comparing a sub-module of ON state in charged state and in discharged state with a sub-module of OFF state, and changing the compared states of sub-modules of ON state and OFF state.