Patents by Inventor Jong Bok Baek

Jong Bok Baek 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).

  • GRID-FORMING INVERTER AND GRID-FORMING INVERTER SYSTEM FOR DISTRIBUTED POWER SOURCES BASED ON INTERMITTENT RENEWABLE ENERGY SOURCES AND CONTROL METHOD THEREOF
    Publication number: 20250330022
    Abstract: An embodiment of the present disclosure provides a grid-forming inverter comprising: a power stage to convert electric power according to on/off controls of switching devices and to output the converted electric power to a grid; and a control circuit to calculate a frequency command value in proportion to a direct current input voltage and to control the switching devices using pulse width modulation (PWM) according to the frequency command value.
    Type: Application
    Filed: October 30, 2024
    Publication date: October 23, 2025
    Applicant: Korea Institute of Energy Research
    Inventors: Jae Young PARK, Sea Seung OH, Suk In PARK, Hye Jin KIM, Jong Bok BAEK
  • Charge/discharge control apparatus and method of energy storage system, and energy charge/discharge control system and method
    Patent number: 11146075
    Abstract: One exemplary embodiment provides a charging and discharging control apparatus for an energy storage apparatus, the charging and discharging control apparatus including: a charging and discharging controlling unit configured to control a charging and discharging current amount of the energy storage apparatus according to a droop curve; a communication unit configured to receive state information from the energy storage apparatus; and a droop curve adjusting unit configured to adjust a characteristic value of the droop curve according to the state information.
    Type: Grant
    Filed: October 9, 2019
    Date of Patent: October 12, 2021
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Su Yong Chae, Sea Seung Oh, Hak Geun Jeong, Jong Bok Baek, Soo Bin Han, Suk In Park
  • MULTIFUNCTIONAL ENERGY STORAGE SYSTEM AND OPERATING METHOD THEREOF
    Publication number: 20210157289
    Abstract: The present disclosure relates to a multifunctional energy storage system in which one energy storage system is capable of performing a plurality of functions and an operating method thereof.
    Type: Application
    Filed: June 11, 2020
    Publication date: May 27, 2021
    Applicant: Korea Institute of Energy Research
    Inventors: Jong Bok BAEK, Kuk Yeol BAE, Mo Se KANG, Sea Seung OH, Su Yong CHAE, Seon Ri HONG, Hak Geun JEONG
  • CHARGE/DISCHARGE CONTROL APPARATUS AND METHOD OF ENERGY STORAGE SYSTEM, AND ENERGY CHARGE/DISCHARGE CONTROL SYSTEM AND METHOD
    Publication number: 20210104896
    Abstract: One exemplary embodiment provides a charging and discharging control apparatus for an energy storage apparatus, the charging and discharging control apparatus including: a charging and discharging controlling unit configured to control a charging and discharging current amount of the energy storage apparatus according to a droop curve; a communication unit configured to receive state information from the energy storage apparatus; and a droop curve adjusting unit configured to adjust a characteristic value of the droop curve according to the state information.
    Type: Application
    Filed: October 9, 2019
    Publication date: April 8, 2021
    Applicant: Korea Institute of Energy Research
    Inventors: Su Yong CHAE, Sea Seung Oh, Hak Geun Jeong, Jong Bok Baek, Soo Bin Han, Suk In Park
  • Power conversion system considering efficiency characteristic and method of controlling same
    Patent number: 10031545
    Abstract: A power conversion system including: a first power conversion module configured to change a current (first module current) supplied to an output node, to monitor efficiency of the power conversion system according to the change in the first module current, and to determine a setting value of the first module current to increase the efficiency; and a second power conversion module configured to control a current (second module current) supplied to the output node according to a voltage (output voltage) formed at the output node.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: July 24, 2018
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Su Yong Chae, Jong Bok Baek, Seung Weon Yu, Gyu Duk Kim, Suk In Park