Patents by Inventor Jinku Choi

Jinku Choi 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).

  • Energy storage system and method to improve energy efficiency of the system
    Patent number: 9787098
    Abstract: An energy storage system (ESS) includes a battery pack, a power converter, a battery management system (BMS) configured to control and monitor, in real time, the battery pack, a load power controller coupled to the battery pack and an external power source, connected to loads, and an integrated controller configured to control an operation of each component, determine an exclusive supply initiation time based on energy management schedule information including the exclusive supply initiation time, an exclusive supply termination time, and power supply timing information, control power to be supplied to the loads exclusively using power of the battery pack at the exclusive supply initiation time, and, when a current residual charge amount of the battery pack is at least one residual charge amount in the power supply timing information, control power supply to one of the loads set to correspond to the residual charge amount to be cut.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: October 10, 2017
    Assignee: Korean Polytechnic University Industry Academic Cooperation Foundation
    Inventors: Jinku Choi, Chang-Woo Lee
  • ENERGY STORAGE SYSTEM AND METHOD TO IMPROVE ENERGY EFFICIENCY OF THE SYSTEM
    Publication number: 20160322837
    Abstract: An energy storage system (ESS) includes a battery pack, a power converter, a battery management system (BMS) configured to control and monitor, in real time, the battery pack, a load power controller coupled to the battery pack and an external power source, connected to loads, and an integrated controller configured to control an operation of each component, determine an exclusive supply initiation time based on energy management schedule information including the exclusive supply initiation time, an exclusive supply termination time, and power supply timing information, control power to be supplied to the loads exclusively using power of the battery pack at the exclusive supply initiation time, and, when a current residual charge amount of the battery pack is at least one residual charge amount in the power supply timing information, control power supply to one of the loads set to correspond to the residual charge amount to be cut.
    Type: Application
    Filed: February 4, 2016
    Publication date: November 3, 2016
    Inventors: Jinku Choi, Chang-Woo Lee