Lei Jing

Title: Lei Jing - Innovator in Power System Protection

Introduction

Lei Jing is a prominent inventor based in Beijing, China. He has made significant contributions to the field of power systems, particularly in the area of protection mechanisms. With a total of 3 patents, his work focuses on enhancing the reliability and efficiency of power transmission systems.

Latest Patents

One of Lei Jing's latest patents is titled "Fast power swing unblocking method and apparatus for distance protection in power system." This invention discloses a method that ensures fast phase-segregated tripping of distance protection for faults during a power swing, whether it is a 3-phase or 2-phase swing. The method involves calculating changing rates of impedances for all operating loops of the distance protection and determining a fault loop based on these calculations. This innovation significantly improves the performance of distance protection during power swings, ensuring faster and more reliable operation.

Another notable patent is the "Method and apparatus for fault identification in a power transmission line." This invention provides a method for identifying faults in a transmission line by measuring signals at the line's end and comparing them with predefined standard signals. The results of this comparison help in determining whether the fault is transient or permanent, thus enhancing the fault identification process.

Career Highlights

Lei Jing is currently employed at ABB Research Ltd., where he continues to develop innovative solutions for power systems. His work is instrumental in advancing technologies that improve the safety and efficiency of electrical networks.

Collaborations

Lei collaborates with talented individuals in his field, including his coworkers Bin Su and Qianjin Liu, who contribute to his research and development efforts.

Conclusion

In summary, Lei Jing is a dedicated inventor whose work in power system protection has led to significant advancements in the field. His innovative patents reflect his commitment to enhancing the reliability and efficiency of power transmission systems.