Patents by Inventor Kwon Yub HYUNG

Kwon Yub HYUNG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Electric power conversion apparatus
    Patent number: 9401665
    Abstract: The disclosure relates to an electric power conversion apparatus, and capable of determining a minimum output voltage of a boost converter based on a voltage of the grid, and comparing the minimum output voltage of the converter with an input voltage of the converter, and controlling the operation of the converter based on the comparison result, thereby reducing the unnecessary operation and switching loss of the converter, the electric power conversion apparatus according to the invention comprises a converter; and a control unit configured to detect a grid voltage to determine a minimum output voltage of the converter based on the grid voltage, and control the operation of the converter based on an input voltage of the converter and the determined minimum output voltage.
    Type: Grant
    Filed: September 15, 2014
    Date of Patent: July 26, 2016
    Assignees: SNU R&DB FOUNDATION, LSIS CO., LTD.
    Inventors: Anno Yoo, Jung Ik Ha, Ho Joon Shin, Kwon Yub Hyung
  • ELECTRIC POWER CONVERSION APPARATUS
    Publication number: 20150078049
    Abstract: The disclosure relates to an electric power conversion apparatus, and capable of determining a minimum output voltage of a boost converter based on a voltage of the grid, and comparing the minimum output voltage of the converter with an input voltage of the converter, and controlling the operation of the converter based on the comparison result, thereby reducing the unnecessary operation and switching loss of the converter, the electric power conversion apparatus according to the invention comprises a converter; and a control unit configured to detect a grid voltage to determine a minimum output voltage of the converter based on the grid voltage, and control the operation of the converter based on an input voltage of the converter and the determined minimum output voltage.
    Type: Application
    Filed: September 15, 2014
    Publication date: March 19, 2015
    Applicants: SNU R&DB FOUNDATION, LSIS CO., LTD.
    Inventors: Anno YOO, Jung Ik HA, Ho Joon SHIN, Kwon Yub HYUNG