Patents by Inventor Dong-Jin Kweon

Dong-Jin Kweon 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).

  • Patent number: 11182701
    Abstract: The present invention relates to a power transformer asset management device and a method thereof, the device according to the present invention including: a full cycle database managing full cycle data of a power transformer; a physical performance evaluation unit performing physical performance evaluation that calculates a health index by analyzing and weighting life information, a failure ratio, operation history, and status information of a preventive diagnosis system from the full cycle data; a risk evaluation unit performing risk evaluation by generating a risk matrix using the physical performance evaluation result; an economic evaluation unit performing economic evaluation by evaluating costs over a full cycle of the power transformer; and an asset management unit establishing an investment plan for replacing the power transformer according to a maintenance priority of the power transformer determined using the physical performance evaluation result, the risk evaluation result, and the economic evalua
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: November 23, 2021
    Assignee: KOREA ELECTRIC POWER CORPORATION
    Inventors: Dong-Jin Kweon, Byoung-Soo Joo, Yong-Beum Yoon
  • Publication number: 20190392360
    Abstract: The present invention relates to a power transformer asset management device and a method thereof, the device according to the present invention including: a full cycle database managing full cycle data of a power transformer; a physical performance evaluation unit performing physical performance evaluation that calculates a health index by analyzing and weighting life information, a failure ratio, operation history, and status information of a preventive diagnosis system from the full cycle data; a risk evaluation unit performing risk evaluation by generating a risk matrix using the physical performance evaluation result; an economic evaluation unit performing economic evaluation by evaluating costs over a full cycle of the power transformer; and an asset management unit establishing an investment plan for replacing the power transformer according to a maintenance priority of the power transformer determined using the physical performance evaluation result, the risk evaluation result, and the economic evalua
    Type: Application
    Filed: August 4, 2017
    Publication date: December 26, 2019
    Inventors: Dong-Jin KWEON, Byoung-Soo JOO, Yong-Beum YOON
  • Publication number: 20140107926
    Abstract: A distance relay apparatus, a distance relay processing system and a method for processing a distance relay are disclosed. In accordance with an embodiment of the present invention, the distance relay processing system, which controls a distance relay, includes a lightning managing apparatus, which generates comprehensive lightning information by using lightning detection information and in which the lightning detection information is provided by a lightning detector, and a distance relay apparatus, which generates fault occurrence information by determining a fault location of a power transmission line and generates fault analysis information by using the fault occurrence information and the comprehensive lightning information.
    Type: Application
    Filed: December 18, 2013
    Publication date: April 17, 2014
    Applicant: Korea Electric Power Corporation
    Inventors: Jung-Wook WOO, Joo-Sik KWAK, Dong-Jin KWEON, Kyung-Tak KIM, Kyo-Sun KOO
  • Publication number: 20110077866
    Abstract: A distance relay apparatus, a distance relay processing system and a method for processing a distance relay are disclosed. In accordance with an embodiment of the present invention, the distance relay processing system, which controls a distance relay, includes a lightning managing apparatus, which generates comprehensive lightning information by using lightning detection information and in which the lightning detection information is provided by a lightning detector, and a distance relay apparatus, which generates fault occurrence information by determining a fault location of a power transmission line and generates fault analysis information by using the fault occurrence information and the comprehensive lightning information.
    Type: Application
    Filed: September 14, 2010
    Publication date: March 31, 2011
    Applicant: KOREA ELECTRIC POWER CORPORATION
    Inventors: Jung-Wook Woo, Joo-Sik Kwak, Dong-Jin Kweon, Kyung-Tak Kim, Kyo-Sun Koo