Patents by Inventor Jong-Heui Hong

Jong-Heui Hong 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).

  • Micro-grid system with un-interruptible power supply
    Patent number: 11456618
    Abstract: A micro-grid system with a power supply is disclosed according to one embodiment of the present invention. The micro-grid system with a power supply, according to one embodiment of the present invention, comprises: a first node having AC power applied thereto from a bus system; a first generator for applying DC power to a second node; a first load for receiving the AC power by being connected to a third node; a second load for receiving the DC power by being connected to the second node; a third load for receiving the AC power by being connected to a fourth node; a first converter for converting the DC power of the second node to AC power, and outputting same; a second converter for converting the DC power of the second node to AC power, and outputting same; and a switch unit for, according to the statuses of the first converter and the second converter, regulating the connection relations between the first node, the third node, the fourth node, the first converter and the second converter.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: September 27, 2022
    Assignees: POSCO, RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
    Inventors: Seung-Hee Lee, Im-Soo Mok, Jong-Heui Hong, Jin-Hee Lee, A-Rong Kim, Won-Joon Song
  • MICRO-GRID SYSTEM WITH UN-INTERRUPTIBLE POWER SUPPLY
    Publication number: 20220094195
    Abstract: A micro-grid system with a power supply is disclosed according to one embodiment of the present invention. The micro-grid system with a power supply, according to one embodiment of the present invention, comprises: a first node having AC power applied thereto from a bus system; a first generator for applying DC power to a second node; a first load for receiving the AC power by being connected to a third node; a second load for receiving the DC power by being connected to the second node; a third load for receiving the AC power by being connected to a fourth node; a first converter for converting the DC power of the second node to AC power, and outputting same; a second converter for converting the DC power of the second node to AC power, and outputting same; and a switch unit for, according to the statuses of the first converter and the second converter, regulating the connection relations between the first node, the third node, the fourth node, the first converter and the second converter.
    Type: Application
    Filed: December 11, 2019
    Publication date: March 24, 2022
    Inventors: Seung-Hee Lee, Im-Soo Mok, Jong-Heui Hong, Jin-Hee Lee, A-Rong Kim, Won-Joon Song