Patents by Inventor Chong-Ho RHIM

Chong-Ho RHIM 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).

  • Apparatus for controlling ESS according to transient stability state and method thereof
    Patent number: 11043814
    Abstract: The present invention relates to an ESS control device based on transient stability state and a method thereof, the an ESS control device based on transient stability state according to an embodiment of the present invention including an input unit receiving phase angle information from a power system; a calculation unit calculating a change rate in the phase angle of the power system using the phase angle information; a determination unit determining the transient stability state of the power system by comparing the change rate of the phase angle with a predetermined threshold; and a control unit performing control so that an energy storage system (ESS) installed in a power generation stage is switched to a charging mode according to the determination result.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: June 22, 2021
    Assignee: KOREA ELECTRIC POWER CORPORATION
    Inventors: Tae-Ok Kim, Jong-An Kim, Gu-Han Kim, Chong-Ho Rhim, Yong-Gu Ha
  • APPARATUS FOR CONTROLLING ESS ACCORDING TO TRANSIENT STABILITY STATE AND METHOD THEREOF
    Publication number: 20200185920
    Abstract: The present invention relates to an ESS control device based on transient stability state and a method thereof, the an ESS control device based on transient stability state according to an embodiment of the present invention including an input unit receiving phase angle information from a power system; a calculation unit calculating a change rate in the phase angle of the power system using the phase angle information; a determination unit determining the transient stability state of the power system by comparing the change rate of the phase angle with a predetermined threshold; and a control unit performing control so that an energy storage system (ESS) installed in a power generation stage is switched to a charging mode according to the determination result.
    Type: Application
    Filed: August 2, 2017
    Publication date: June 11, 2020
    Applicant: Korea Electric Power Corporation
    Inventors: Tae-Ok KIM, Jong-An KIM, Gu-Han KIM, Chong-Ho RHIM, Yong-Gu HA