Company Filing History:
Years Active: 2019-2021
Title: Innovations of Hak-Ju Lee in Microgrid Technology
Introduction
Hak-Ju Lee is a notable inventor based in Daejeon, South Korea. He has made significant contributions to the field of microgrid technology, focusing on energy efficiency and control systems. With a total of 3 patents, his work is instrumental in advancing the capabilities of stand-alone microgrids.
Latest Patents
One of his latest patents is a "Method for controlling frequency of stand-alone microgrid and power converter for energy storage device for controlling same." This invention relates to a method for controlling the frequency of a stand-alone microgrid, where an energy storage device operates as the main power source. The system controls a battery power conditioning system (PCS) in a constant voltage constant frequency (CVCF) mode, allowing for stable frequency operation while considering fuel costs and power generation efficiency.
Another significant patent is the "PCS efficiency-considered microgrid operation device and operation method." This invention includes a scheduling unit for managing outputs from controllable loads, batteries, and emergency internal combustion generators within a microgrid. The operation control unit manages the operation of these components based on the scheduled outputs, ensuring efficient microgrid operation by considering the charging and discharging efficiency of the PCS.
Career Highlights
Hak-Ju Lee is currently employed at Korea Electric Power Corporation, where he continues to innovate in the field of energy management and microgrid systems. His work has been pivotal in enhancing the efficiency and reliability of energy systems.
Collaborations
He collaborates with notable colleagues such as Woo-Kyu Chae and Jung-Sung Park, contributing to various projects that aim to improve energy solutions.
Conclusion
Hak-Ju Lee's contributions to microgrid technology demonstrate his commitment to advancing energy efficiency and control systems. His innovative patents reflect a deep understanding of the complexities involved in energy management, making him a key figure in this field.