Yi-Jae Lim

Title: Innovations by Yi-Jae Lim

Introduction

Yi-Jae Lim is a notable inventor based in Chonju-si, South Korea. He has made significant contributions to the field of electrical engineering, particularly in the area of current transformers. His innovative approach addresses critical issues in protective relay systems.

Latest Patents

Yi-Jae Lim holds a patent for a method aimed at compensating the secondary current of current transformers. This method is designed to prevent unwanted maloperation of protective relay systems caused by the imprecise detection of actual secondary current values. The patent outlines a series of steps, including calculating difference values for sampled secondary currents, comparing these values with a predetermined critical value, and determining the saturation starting moment of a current transformer. The method further involves obtaining a magnetizing current and calculating a magnetic flux value to ensure accurate secondary current values consistent with the current transformation ratio.

Career Highlights

Yi-Jae Lim is affiliated with Myongji University, where he contributes to research and development in electrical engineering. His work has garnered attention for its practical applications in enhancing the reliability of protective relay systems.

Collaborations

He has collaborated with notable colleagues, including Yong-Cheol Kang and Sang-Hee Kang, who share his commitment to advancing technology in their field.

Conclusion

Yi-Jae Lim's innovative methods in current transformer technology exemplify the importance of precision in electrical engineering. His contributions continue to influence the development of more reliable protective relay systems.